diff --git a/packages/forms/signals/src/api/rules/disabled.ts b/packages/forms/signals/src/api/rules/disabled.ts
index e39de7558b4..3436614556d 100644
--- a/packages/forms/signals/src/api/rules/disabled.ts
+++ b/packages/forms/signals/src/api/rules/disabled.ts
@@ -15,8 +15,9 @@ import type {FieldContext, LogicFn, PathKind, SchemaPath, SchemaPathRules} from
  * validation, touched/dirty, or other state of its parent field.
  *
  * @param path The target path to add the disabled logic to.
- * @param logic A reactive function that returns `true` (or a string reason) when the field is disabled,
- *   and `false` when it is not disabled.
+ * @param config Optional configuration object.
+ *  - `when`: A reactive function that returns `true` (or a string reason) when the field is disabled,
+ *    and `false` when it is not disabled. Can also be a static string reason.
  * @template TValue The type of value stored in the field the logic is bound to.
  * @template TPathKind The kind of path the logic is bound to (a root path, child path, or item of an array)
  *
@@ -25,17 +26,17 @@ import type {FieldContext, LogicFn, PathKind, SchemaPath, SchemaPathRules} from
  */
 export function disabled<TValue, TPathKind extends PathKind = PathKind.Root>(
   path: SchemaPath<TValue, SchemaPathRules.Supported, TPathKind>,
-  logic?: string | NoInfer<LogicFn<TValue, boolean | string, TPathKind>>,
+  config?: {when?: string | NoInfer<LogicFn<TValue, boolean | string, TPathKind>>},
 ): void {
   assertPathIsCurrent(path);
 
   const pathNode = FieldPathNode.unwrapFieldPath(path);
   pathNode.builder.addDisabledReasonRule((ctx) => {
     let result: boolean | string = true;
-    if (typeof logic === 'string') {
-      result = logic;
-    } else if (logic) {
-      result = logic(ctx as FieldContext<TValue, TPathKind>);
+    if (typeof config?.when === 'string') {
+      result = config.when;
+    } else if (config?.when) {
+      result = config.when(ctx as FieldContext<TValue, TPathKind>);
     }
     if (typeof result === 'string') {
       return {fieldTree: ctx.fieldTree, message: result};
diff --git a/packages/forms/signals/src/api/rules/hidden.ts b/packages/forms/signals/src/api/rules/hidden.ts
index 1351731acb9..ee1069c1224 100644
--- a/packages/forms/signals/src/api/rules/hidden.ts
+++ b/packages/forms/signals/src/api/rules/hidden.ts
@@ -23,7 +23,8 @@ import type {LogicFn, PathKind, SchemaPath, SchemaPathRules} from '../types';
  * ```
  *
  * @param path The target path to add the hidden logic to.
- * @param logic A reactive function that returns `true` when the field is hidden.
+ * @param config Options object containing the `when` condition.
+ *  - `when`: A reactive function that returns `true` when the field is hidden.
  * @template TValue The type of value stored in the field the logic is bound to.
  * @template TPathKind The kind of path the logic is bound to (a root path, child path, or item of an array)
  *
@@ -32,10 +33,10 @@ import type {LogicFn, PathKind, SchemaPath, SchemaPathRules} from '../types';
  */
 export function hidden<TValue, TPathKind extends PathKind = PathKind.Root>(
   path: SchemaPath<TValue, SchemaPathRules.Supported, TPathKind>,
-  logic: NoInfer<LogicFn<TValue, boolean, TPathKind>>,
+  config: {when: NoInfer<LogicFn<TValue, boolean, TPathKind>>},
 ): void {
   assertPathIsCurrent(path);
 
   const pathNode = FieldPathNode.unwrapFieldPath(path);
-  pathNode.builder.addHiddenRule(logic);
+  pathNode.builder.addHiddenRule(config.when);
 }
diff --git a/packages/forms/signals/src/api/rules/readonly.ts b/packages/forms/signals/src/api/rules/readonly.ts
index b3dc8ff9fea..fb9a4281c76 100644
--- a/packages/forms/signals/src/api/rules/readonly.ts
+++ b/packages/forms/signals/src/api/rules/readonly.ts
@@ -15,7 +15,8 @@ import type {LogicFn, PathKind, SchemaPath, SchemaPathRules} from '../types';
  * the validation, touched/dirty, or other state of its parent field.
  *
  * @param path The target path to make readonly.
- * @param logic A reactive function that returns `true` when the field is readonly.
+ * @param config Optional configuration object.
+ *  - `when`: A reactive function that returns `true` when the field is readonly.
  * @template TValue The type of value stored in the field the logic is bound to.
  * @template TPathKind The kind of path the logic is bound to (a root path, child path, or item of an array)
  *
@@ -24,10 +25,10 @@ import type {LogicFn, PathKind, SchemaPath, SchemaPathRules} from '../types';
  */
 export function readonly<TValue, TPathKind extends PathKind = PathKind.Root>(
   path: SchemaPath<TValue, SchemaPathRules.Supported, TPathKind>,
-  logic: NoInfer<LogicFn<TValue, boolean, TPathKind>> = () => true,
+  config?: {when?: NoInfer<LogicFn<TValue, boolean, TPathKind>>},
 ) {
   assertPathIsCurrent(path);
 
   const pathNode = FieldPathNode.unwrapFieldPath(path);
-  pathNode.builder.addReadonlyRule(logic);
+  pathNode.builder.addReadonlyRule(config?.when ?? (() => true));
 }
diff --git a/packages/forms/signals/src/api/rules/validation/email.ts b/packages/forms/signals/src/api/rules/validation/email.ts
index e19cd39d842..b335e475cb1 100644
--- a/packages/forms/signals/src/api/rules/validation/email.ts
+++ b/packages/forms/signals/src/api/rules/validation/email.ts
@@ -63,6 +63,9 @@ export function email<TPathKind extends PathKind = PathKind.Root>(
   config?: BaseValidatorConfig<string, TPathKind>,
 ) {
   validate(path, (ctx) => {
+    if (config?.when && !config.when(ctx)) {
+      return undefined;
+    }
     if (isEmpty(ctx.value())) {
       return undefined;
     }
diff --git a/packages/forms/signals/src/api/rules/validation/max.ts b/packages/forms/signals/src/api/rules/validation/max.ts
index 20a2dfefa0f..a65064b71ad 100644
--- a/packages/forms/signals/src/api/rules/validation/max.ts
+++ b/packages/forms/signals/src/api/rules/validation/max.ts
@@ -38,15 +38,18 @@ export function max<TValue extends number | null, TPathKind extends PathKind = P
   const MAX_MEMO = createMetadataKey<number | undefined>();
 
   // Memoize the maximum valid value.
-  metadata(path, MAX_MEMO, (ctx) => (typeof maxValue === 'function' ? maxValue(ctx) : maxValue));
+  metadata(path, MAX_MEMO, (ctx) => {
+    if (config?.when && !config.when(ctx)) {
+      return undefined;
+    }
+    return typeof maxValue === 'function' ? maxValue(ctx) : maxValue;
+  });
 
   // Publish the memoized maximum value for aggregation.
   metadata(path, MAX_NUMBER, ({state}) => state.metadata(MAX_MEMO)!());
 
   // Use `MAX_NUMBER` to define the `max` property of the field.
   metadata(path, MAX, () => MAX_NUMBER as LimitKey<TValue>);
-
-  // Validate that the field value is not greater than the maximum value.
   validate(path, (ctx) => {
     const value = ctx.value();
     if (value === null || Number.isNaN(value)) {
diff --git a/packages/forms/signals/src/api/rules/validation/max_length.ts b/packages/forms/signals/src/api/rules/validation/max_length.ts
index e65e6ad88de..9514961ac2d 100644
--- a/packages/forms/signals/src/api/rules/validation/max_length.ts
+++ b/packages/forms/signals/src/api/rules/validation/max_length.ts
@@ -44,9 +44,12 @@ export function maxLength<
   maxLength: number | LogicFn<TValue, number | undefined, TPathKind>,
   config?: BaseValidatorConfig<TValue, TPathKind>,
 ) {
-  const MAX_LENGTH_MEMO = metadata(path, createMetadataKey<number | undefined>(), (ctx) =>
-    typeof maxLength === 'number' ? maxLength : maxLength(ctx),
-  );
+  const MAX_LENGTH_MEMO = metadata(path, createMetadataKey<number | undefined>(), (ctx) => {
+    if (config?.when && !config.when(ctx)) {
+      return undefined;
+    }
+    return typeof maxLength === 'number' ? maxLength : maxLength(ctx);
+  });
   metadata(path, MAX_LENGTH, ({state}) => state.metadata(MAX_LENGTH_MEMO)!());
   validate(path, (ctx) => {
     if (isEmpty(ctx.value())) {
diff --git a/packages/forms/signals/src/api/rules/validation/min.ts b/packages/forms/signals/src/api/rules/validation/min.ts
index 3cff4d364d6..ef7e9ea6fb4 100644
--- a/packages/forms/signals/src/api/rules/validation/min.ts
+++ b/packages/forms/signals/src/api/rules/validation/min.ts
@@ -38,15 +38,18 @@ export function min<TValue extends number | null, TPathKind extends PathKind = P
   const MIN_MEMO = createMetadataKey<number | undefined>();
 
   // Memomize the minimum valid.
-  metadata(path, MIN_MEMO, (ctx) => (typeof minValue === 'function' ? minValue(ctx) : minValue));
+  metadata(path, MIN_MEMO, (ctx) => {
+    if (config?.when && !config.when(ctx)) {
+      return undefined;
+    }
+    return typeof minValue === 'function' ? minValue(ctx) : minValue;
+  });
 
   // Publish the memoized mininum value for aggregation.
   metadata(path, MIN_NUMBER, ({state}) => state.metadata(MIN_MEMO)!());
 
   // Use `MIN_NUMBER` to define the `min` property of the field.
   metadata(path, MIN, () => MIN_NUMBER as LimitKey<TValue>);
-
-  // Validate that the field value is not less than the minimum value.
   validate(path, (ctx) => {
     const value = ctx.value();
     if (value === null || Number.isNaN(value)) {
diff --git a/packages/forms/signals/src/api/rules/validation/min_length.ts b/packages/forms/signals/src/api/rules/validation/min_length.ts
index a60baf4fed4..8aaa83bf864 100644
--- a/packages/forms/signals/src/api/rules/validation/min_length.ts
+++ b/packages/forms/signals/src/api/rules/validation/min_length.ts
@@ -44,9 +44,12 @@ export function minLength<
   minLength: number | LogicFn<TValue, number | undefined, TPathKind>,
   config?: BaseValidatorConfig<TValue, TPathKind>,
 ) {
-  const MIN_LENGTH_MEMO = metadata(path, createMetadataKey<number | undefined>(), (ctx) =>
-    typeof minLength === 'number' ? minLength : minLength(ctx),
-  );
+  const MIN_LENGTH_MEMO = metadata(path, createMetadataKey<number | undefined>(), (ctx) => {
+    if (config?.when && !config.when(ctx)) {
+      return undefined;
+    }
+    return typeof minLength === 'number' ? minLength : minLength(ctx);
+  });
   metadata(path, MIN_LENGTH, ({state}) => state.metadata(MIN_LENGTH_MEMO)!());
   validate(path, (ctx) => {
     if (isEmpty(ctx.value())) {
diff --git a/packages/forms/signals/src/api/rules/validation/pattern.ts b/packages/forms/signals/src/api/rules/validation/pattern.ts
index fa695440dd2..c74acf65e9f 100644
--- a/packages/forms/signals/src/api/rules/validation/pattern.ts
+++ b/packages/forms/signals/src/api/rules/validation/pattern.ts
@@ -33,9 +33,12 @@ export function pattern<TPathKind extends PathKind = PathKind.Root>(
   pattern: RegExp | LogicFn<string | undefined, RegExp | undefined, TPathKind>,
   config?: BaseValidatorConfig<string, TPathKind>,
 ) {
-  const PATTERN_MEMO = metadata(path, createMetadataKey<RegExp | undefined>(), (ctx) =>
-    pattern instanceof RegExp ? pattern : pattern(ctx),
-  );
+  const PATTERN_MEMO = metadata(path, createMetadataKey<RegExp | undefined>(), (ctx) => {
+    if (config?.when && !config.when(ctx)) {
+      return undefined;
+    }
+    return pattern instanceof RegExp ? pattern : pattern(ctx);
+  });
   metadata(path, PATTERN, ({state}) => state.metadata(PATTERN_MEMO)!());
   validate(path, (ctx) => {
     if (isEmpty(ctx.value())) {
diff --git a/packages/forms/signals/src/api/rules/validation/util.ts b/packages/forms/signals/src/api/rules/validation/util.ts
index 0befeed29f8..56ff6784290 100644
--- a/packages/forms/signals/src/api/rules/validation/util.ts
+++ b/packages/forms/signals/src/api/rules/validation/util.ts
@@ -18,6 +18,8 @@ export type BaseValidatorConfig<TValue, TPathKind extends PathKind = PathKind.Ro
       /** A user-facing error message to include with the error. */
       message?: string | LogicFn<TValue, string, TPathKind>;
       error?: never;
+      /** A function that receives the `FieldContext` and returns true if the validator should be applied. */
+      when?: NoInfer<LogicFn<TValue, boolean, TPathKind>>;
     }
   | {
       /**
@@ -26,6 +28,8 @@ export type BaseValidatorConfig<TValue, TPathKind extends PathKind = PathKind.Ro
        */
       error?: OneOrMany<ValidationError> | LogicFn<TValue, OneOrMany<ValidationError>, TPathKind>;
       message?: never;
+      /** A function that receives the `FieldContext` and returns true if the validator should be applied. */
+      when?: NoInfer<LogicFn<TValue, boolean, TPathKind>>;
     };
 
 /** Gets the length or size of the given value. */
diff --git a/packages/forms/signals/src/api/rules/validation/validate_async.ts b/packages/forms/signals/src/api/rules/validation/validate_async.ts
index 04a67767dbf..9278da0a721 100644
--- a/packages/forms/signals/src/api/rules/validation/validate_async.ts
+++ b/packages/forms/signals/src/api/rules/validation/validate_async.ts
@@ -21,6 +21,7 @@ import {FieldPathNode} from '../../../schema/path_node';
 import {assertPathIsCurrent} from '../../../schema/schema';
 import {
   FieldContext,
+  LogicFn,
   PathKind,
   SchemaPath,
   SchemaPathRules,
@@ -107,6 +108,10 @@ export interface AsyncValidatorOptions<
    *   If a field is not given, the error is assumed to apply to the field being validated.
    */
   readonly onSuccess: MapToErrorsFn<TValue, TResult, TPathKind>;
+  /**
+   * A function that receives the field context and returns true if the async validation should be run.
+   */
+  readonly when?: NoInfer<LogicFn<TValue, boolean, TPathKind>>;
 }
 
 /**
@@ -149,6 +154,9 @@ export function validateAsync<TValue, TParams, TResult, TPathKind extends PathKi
     if (validationState.shouldSkipValidation() || !validationState.syncValid()) {
       return undefined;
     }
+    if (opts.when && !opts.when(ctx)) {
+      return undefined;
+    }
     return opts.params(ctx);
   });
 
diff --git a/packages/forms/signals/src/api/rules/validation/validate_http.ts b/packages/forms/signals/src/api/rules/validation/validate_http.ts
index 988f41f0bdb..b4e4897bc0b 100644
--- a/packages/forms/signals/src/api/rules/validation/validate_http.ts
+++ b/packages/forms/signals/src/api/rules/validation/validate_http.ts
@@ -10,10 +10,11 @@ import {httpResource, HttpResourceOptions, HttpResourceRequest} from '@angular/c
 import {DebounceTimer, ResourceSnapshot, Signal} from '@angular/core';
 import {
   FieldContext,
-  SchemaPath,
+  LogicFn,
   PathKind,
-  TreeValidationResult,
+  SchemaPath,
   SchemaPathRules,
+  TreeValidationResult,
 } from '../../types';
 import {MapToErrorsFn, validateAsync} from './validate_async';
 
@@ -68,6 +69,10 @@ export interface HttpValidatorOptions<TValue, TResult, TPathKind extends PathKin
    * returns a promise that resolves when the update should proceed.
    */
   readonly debounce?: DebounceTimer<string | HttpResourceRequest | undefined>;
+  /**
+   * A function that receives the field context and returns true if the async validation should be run.
+   */
+  readonly when?: NoInfer<LogicFn<TValue, boolean, TPathKind>>;
 }
 
 /**
@@ -96,5 +101,6 @@ export function validateHttp<TValue, TResult = unknown, TPathKind extends PathKi
     factory: (request: Signal<any>) => httpResource(request, opts.options),
     onSuccess: opts.onSuccess,
     onError: opts.onError,
+    when: opts.when,
   });
 }
diff --git a/packages/forms/signals/test/node/api/hidden.spec.ts b/packages/forms/signals/test/node/api/hidden.spec.ts
index b21438f71bc..5d1f6fdd73f 100644
--- a/packages/forms/signals/test/node/api/hidden.spec.ts
+++ b/packages/forms/signals/test/node/api/hidden.spec.ts
@@ -16,8 +16,10 @@ describe('hidden', () => {
     const f = form(
       cat,
       (p) => {
-        hidden(p, ({value}) => {
-          return value.name === 'hidden-cat';
+        hidden(p, {
+          when: ({value}) => {
+            return value.name === 'hidden-cat';
+          },
         });
       },
       {injector: TestBed.inject(Injector)},
@@ -32,8 +34,10 @@ describe('hidden', () => {
     const f = form(
       cat,
       (p) => {
-        hidden(p.name, ({value}) => {
-          return value() === 'hidden-cat';
+        hidden(p.name, {
+          when: ({value}) => {
+            return value() === 'hidden-cat';
+          },
         });
       },
       {injector: TestBed.inject(Injector)},
@@ -48,8 +52,10 @@ describe('hidden', () => {
     const f = form(
       cat,
       (p) => {
-        hidden(p, ({value}) => {
-          return value().name === 'hidden-cat';
+        hidden(p, {
+          when: ({value}) => {
+            return value().name === 'hidden-cat';
+          },
         });
       },
       {injector: TestBed.inject(Injector)},
@@ -65,8 +71,10 @@ describe('hidden', () => {
     const f = form(
       cat,
       (p) => {
-        hidden(p.name, ({value}) => {
-          return value() === 'hidden-cat';
+        hidden(p.name, {
+          when: ({value}) => {
+            return value() === 'hidden-cat';
+          },
         });
 
         validate(p.name, () => {
@@ -94,8 +102,10 @@ describe('hidden', () => {
     const f = form(
       cat,
       (p) => {
-        hidden(p.name, ({value}) => {
-          return value() === 'hidden-cat';
+        hidden(p.name, {
+          when: ({value}) => {
+            return value() === 'hidden-cat';
+          },
         });
       },
       {injector: TestBed.inject(Injector)},
diff --git a/packages/forms/signals/test/node/compat/compat.spec.ts b/packages/forms/signals/test/node/compat/compat.spec.ts
index f925e9cd01d..781d2050ad3 100644
--- a/packages/forms/signals/test/node/compat/compat.spec.ts
+++ b/packages/forms/signals/test/node/compat/compat.spec.ts
@@ -254,8 +254,10 @@ describe('Forms compat', () => {
       const f = compatForm(
         cat,
         (p) => {
-          disabled(p, ({value}) => {
-            return value().name === 'disabled-cat';
+          disabled(p, {
+            when: ({value}) => {
+              return value().name === 'disabled-cat';
+            },
           });
         },
         {
@@ -286,8 +288,10 @@ describe('Forms compat', () => {
       const f = compatForm(
         cat,
         (p) => {
-          hidden(p, ({value}) => {
-            return value().name === 'hidden-cat';
+          hidden(p, {
+            when: ({value}) => {
+              return value().name === 'hidden-cat';
+            },
           });
         },
         {
@@ -717,8 +721,10 @@ describe('Forms compat', () => {
             return valueOf(path.age) < 8 ? [] : [];
           });
 
-          readonly(path.name, ({valueOf}) => {
-            return valueOf(path.age) < 8;
+          readonly(path.name, {
+            when: ({valueOf}) => {
+              return valueOf(path.age) < 8;
+            },
           });
 
           email(path.name, {
diff --git a/packages/forms/signals/test/node/compat/extract_value.spec.ts b/packages/forms/signals/test/node/compat/extract_value.spec.ts
index 3590e032e95..b0688df48a8 100644
--- a/packages/forms/signals/test/node/compat/extract_value.spec.ts
+++ b/packages/forms/signals/test/node/compat/extract_value.spec.ts
@@ -227,7 +227,7 @@ describe('extractValue', () => {
         signal(model),
         (p) => {
           applyEach(p.items, (item) => {
-            disabled(item, ({value}) => value() === 2 || value() === 4);
+            disabled(item, {when: ({value}) => value() === 2 || value() === 4});
           });
         },
         {injector},
@@ -242,7 +242,7 @@ describe('extractValue', () => {
         signal(model),
         (p) => {
           applyEach(p.items, (item) => {
-            disabled(item, ({value}) => value() !== 30);
+            disabled(item, {when: ({value}) => value() !== 30});
           });
         },
         {injector},
diff --git a/packages/forms/signals/test/node/compat/signal_form_control.spec.ts b/packages/forms/signals/test/node/compat/signal_form_control.spec.ts
index e8db25c1ffe..3e3c98fb13a 100644
--- a/packages/forms/signals/test/node/compat/signal_form_control.spec.ts
+++ b/packages/forms/signals/test/node/compat/signal_form_control.spec.ts
@@ -140,7 +140,7 @@ describe('SignalFormControl', () => {
 
     it('should support disabled via rules', () => {
       const form = createSignalFormControl(10, (p) => {
-        disabled(p, ({value}) => value() > 15);
+        disabled(p, {when: ({value}) => value() > 15});
       });
 
       expect(form.disabled).toBe(false);
@@ -656,7 +656,7 @@ describe('SignalFormControl', () => {
   describe('callback registration', () => {
     it('should call registered onDisabledChange callback when disabled state changes', () => {
       const form = createSignalFormControl(10, (p) => {
-        disabled(p, ({value}) => value() > 15);
+        disabled(p, {when: ({value}) => value() > 15});
       });
       const callback = jasmine.createSpy('onDisabledChange');
 
@@ -674,7 +674,7 @@ describe('SignalFormControl', () => {
 
     it('should NOT track signals read inside onDisabledChange callback', () => {
       const form = createSignalFormControl(10, (p) => {
-        disabled(p, ({value}) => value() > 15);
+        disabled(p, {when: ({value}) => value() > 15});
       });
       const otherSignal = signal(0);
       const callback = jasmine.createSpy('onDisabledChange').and.callFake(() => {
diff --git a/packages/forms/signals/test/node/field_node.spec.ts b/packages/forms/signals/test/node/field_node.spec.ts
index af1467f321f..a630a7b99f5 100644
--- a/packages/forms/signals/test/node/field_node.spec.ts
+++ b/packages/forms/signals/test/node/field_node.spec.ts
@@ -288,7 +288,7 @@ describe('FieldNode', () => {
           b: 2,
         }),
         (p) => {
-          hidden(p, () => true);
+          hidden(p, {when: () => true});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -353,7 +353,7 @@ describe('FieldNode', () => {
           b: 2,
         }),
         (p) => {
-          readonly(p, isReadonly);
+          readonly(p, {when: isReadonly});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -537,7 +537,7 @@ describe('FieldNode', () => {
           b: 2,
         }),
         (p) => {
-          hidden(p, () => true);
+          hidden(p, {when: () => true});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -602,7 +602,7 @@ describe('FieldNode', () => {
           b: 2,
         }),
         (p) => {
-          hidden(p, isHidden);
+          hidden(p, {when: isHidden});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -669,11 +669,13 @@ describe('FieldNode', () => {
         signal({names: [{name: 'Alex'}, {name: 'Miles'}]}),
         (p) => {
           applyEach(p.names, (a) => {
-            disabled(a.name, ({value, fieldTreeOf}) => {
-              const el = fieldTreeOf(a);
-              expect(el().value().name).toBe(value());
-              expect([...fieldTreeOf(p).names].findIndex((e: any) => e === el)).not.toBe(-1);
-              return true;
+            disabled(a.name, {
+              when: ({value, fieldTreeOf}) => {
+                const el = fieldTreeOf(a);
+                expect(el().value().name).toBe(value());
+                expect([...fieldTreeOf(p).names].findIndex((e: any) => e === el)).not.toBe(-1);
+                return true;
+              },
             });
           });
         },
@@ -689,7 +691,7 @@ describe('FieldNode', () => {
         (p) => {
           applyEach(p, (a) => {
             a;
-            disabled(a, ({value}) => value() % 2 === 0);
+            disabled(a, {when: ({value}) => value() % 2 === 0});
           });
         },
         {injector: TestBed.inject(Injector)},
@@ -706,7 +708,7 @@ describe('FieldNode', () => {
         (p) => {
           applyEach(p, (el) => {
             // Disabled if even.
-            disabled(el, ({value}) => value() % 2 === 0);
+            disabled(el, {when: ({value}) => value() % 2 === 0});
           });
         },
         {injector: TestBed.inject(Injector)},
@@ -802,7 +804,7 @@ describe('FieldNode', () => {
       const f = form(
         signal({a: 1, b: 2}),
         (p) => {
-          disabled(p.a, ({value}) => value() !== 2);
+          disabled(p.a, {when: ({value}) => value() !== 2});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -820,7 +822,7 @@ describe('FieldNode', () => {
       const f = form(
         signal({a: 1, b: 2}),
         (p) => {
-          disabled(p.a, () => 'a cannot be changed');
+          disabled(p.a, {when: () => 'a cannot be changed'});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -838,7 +840,7 @@ describe('FieldNode', () => {
       const f = form(
         signal({a: 1, b: 2}),
         (p) => {
-          disabled(p.a, ({value}) => (value() > 5 ? 'a cannot be changed' : false));
+          disabled(p.a, {when: ({value}) => (value() > 5 ? 'a cannot be changed' : false)});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -861,7 +863,7 @@ describe('FieldNode', () => {
       const f = form(
         signal({a: 1, b: 2}),
         (p) => {
-          disabled(p, () => 'form unavailable');
+          disabled(p, {when: () => 'form unavailable'});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -887,7 +889,7 @@ describe('FieldNode', () => {
         signal({a: '', b: ''}),
         (p) => {
           disabled(p.a);
-          disabled(p.b, 'disabled!');
+          disabled(p.b, {when: 'disabled!'});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -925,7 +927,7 @@ describe('FieldNode', () => {
       const f = form(
         signal({a: 1, b: 2}),
         (p) => {
-          readonly(p.a, ({value}) => value() > 10);
+          readonly(p.a, {when: ({value}) => value() > 10});
         },
         {injector: TestBed.inject(Injector)},
       );
@@ -955,7 +957,7 @@ describe('FieldNode', () => {
       const f = form(
         signal(''),
         (p) => {
-          readonly(p, isReadonly);
+          readonly(p, {when: isReadonly});
           required(p);
         },
         {injector: TestBed.inject(Injector)},
@@ -1390,7 +1392,7 @@ describe('FieldNode', () => {
       }
 
       const addressSchema: SchemaOrSchemaFn<Address> = (p) => {
-        disabled(p.street, () => true);
+        disabled(p.street, {when: () => true});
       };
 
       const data = signal<{name: string; address: Address}>({
@@ -1430,7 +1432,7 @@ describe('FieldNode', () => {
 
     it('should resolve predefined schema paths within the local context', () => {
       const s = schema<{a: string; b: string}>((p) => {
-        disabled(p.b, ({valueOf}) => valueOf(p.a) === 'disable-b');
+        disabled(p.b, {when: ({valueOf}) => valueOf(p.a) === 'disable-b'});
       });
 
       const f = form(
@@ -1448,7 +1450,7 @@ describe('FieldNode', () => {
 
     it('should resolve predefined schema paths deeply nested within the schema', () => {
       const s = schema<{a: string; b: string}>((p) => {
-        disabled(p.b, ({valueOf}) => valueOf(p.a) === 'disable-b');
+        disabled(p.b, {when: ({valueOf}) => valueOf(p.a) === 'disable-b'});
       });
 
       const f = form(
@@ -1472,9 +1474,11 @@ describe('FieldNode', () => {
       const f = form(
         signal(''),
         (p) => {
-          disabled(p, ({fieldTreeOf}) => {
-            fieldTreeOf(otherP);
-            return true;
+          disabled(p, {
+            when: ({fieldTreeOf}) => {
+              fieldTreeOf(otherP);
+              return true;
+            },
           });
         },
         {injector: TestBed.inject(Injector)},
diff --git a/packages/forms/signals/test/node/recursive_logic.spec.ts b/packages/forms/signals/test/node/recursive_logic.spec.ts
index 715682a55d8..f2048fb8166 100644
--- a/packages/forms/signals/test/node/recursive_logic.spec.ts
+++ b/packages/forms/signals/test/node/recursive_logic.spec.ts
@@ -34,8 +34,10 @@ function isNonNull<T>(t: T): t is NonNullable<T> {
 describe('recursive schema logic', () => {
   it('should support recursive logic', () => {
     const s = schema<TreeData>((p) => {
-      disabled(p.level, ({valueOf}) => {
-        return valueOf(p.level) % 2 === 0;
+      disabled(p.level, {
+        when: ({valueOf}) => {
+          return valueOf(p.level) % 2 === 0;
+        },
       });
       applyWhenValue(p.next, isNonNull, s);
     });
@@ -58,11 +60,11 @@ describe('recursive schema logic', () => {
 
   it('should support co-recursive logic', () => {
     const s1: Schema<TreeData> = schema((p) => {
-      disabled(p.level, ({valueOf}) => valueOf(p.level) % 2 === 0);
+      disabled(p.level, {when: ({valueOf}) => valueOf(p.level) % 2 === 0});
       applyWhenValue(p.next, isNonNull, s2);
     });
     const s2: Schema<TreeData> = schema((p) => {
-      disabled(p.level, ({valueOf}) => valueOf(p.level) % 2 === 0);
+      disabled(p.level, {when: ({valueOf}) => valueOf(p.level) % 2 === 0});
       applyWhenValue(p.next, isNonNull, s1);
     });
     const f = form<TreeData>(
diff --git a/packages/forms/signals/test/node/submit.spec.ts b/packages/forms/signals/test/node/submit.spec.ts
index 52c38a8f284..df682830bb7 100644
--- a/packages/forms/signals/test/node/submit.spec.ts
+++ b/packages/forms/signals/test/node/submit.spec.ts
@@ -423,7 +423,7 @@ describe('submit', () => {
       data,
       (name) => {
         // Disable first name when last name is empty.
-        disabled(name.first, ({valueOf}) => valueOf(name.last) === '');
+        disabled(name.first, {when: ({valueOf}) => valueOf(name.last) === ''});
       },
       {injector: TestBed.inject(Injector)},
     );
@@ -448,7 +448,7 @@ describe('submit', () => {
       data,
       (name) => {
         // Hide first name when last name is empty.
-        hidden(name.first, ({valueOf}) => valueOf(name.last) === '');
+        hidden(name.first, {when: ({valueOf}) => valueOf(name.last) === ''});
       },
       {injector: TestBed.inject(Injector)},
     );
@@ -473,7 +473,7 @@ describe('submit', () => {
       data,
       (name) => {
         // Make first name readonly when last name is empty.
-        readonly(name.first, ({valueOf}) => valueOf(name.last) === '');
+        readonly(name.first, {when: ({valueOf}) => valueOf(name.last) === ''});
       },
       {injector: TestBed.inject(Injector)},
     );
diff --git a/packages/forms/signals/test/web/dynamic_binding.spec.ts b/packages/forms/signals/test/web/dynamic_binding.spec.ts
index 7d1ce20de2e..7c8bb3ee185 100644
--- a/packages/forms/signals/test/web/dynamic_binding.spec.ts
+++ b/packages/forms/signals/test/web/dynamic_binding.spec.ts
@@ -73,7 +73,7 @@ describe('createComponent', () => {
       const environmentInjector = TestBed.inject(EnvironmentInjector);
       const control = TestBed.runInInjectionContext(() => {
         return form(signal('initial value'), (p) => {
-          disabled(p, disabledSignal);
+          disabled(p, {when: disabledSignal});
         });
       });
 
diff --git a/packages/forms/signals/test/web/form_field.spec.ts b/packages/forms/signals/test/web/form_field.spec.ts
index 90130936316..9e46a213c6a 100644
--- a/packages/forms/signals/test/web/form_field.spec.ts
+++ b/packages/forms/signals/test/web/form_field.spec.ts
@@ -324,7 +324,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
         }
 
@@ -359,7 +359,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(false), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly customControl = viewChild.required(CustomControlDir);
         }
@@ -400,7 +400,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(false), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly customControl = viewChild.required(BaseControlDir);
         }
@@ -431,7 +431,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(false), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly customControl = viewChild.required(CustomControl);
         }
@@ -456,7 +456,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(false), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly customControl = viewChild.required(CustomControl);
         }
@@ -482,7 +482,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(false), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly customControl = viewChild.required(CustomControl);
         }
@@ -509,7 +509,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -541,7 +541,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(false), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -620,7 +620,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly customControl = viewChild.required(CustomControl);
         }
@@ -663,7 +663,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly data = signal('');
           readonly f = form(this.data, (p) => {
-            disabled(p, () => 'Currently unavailable');
+            disabled(p, {when: () => 'Currently unavailable'});
           });
           readonly customControl = viewChild.required(CustomControlDir);
         }
@@ -694,7 +694,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly data = signal('');
           readonly f = form(this.data, (p) => {
-            disabled(p, () => 'Currently unavailable');
+            disabled(p, {when: () => 'Currently unavailable'});
           });
           readonly customControl = viewChild.required(CustomControl);
         }
@@ -724,7 +724,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly data = signal('');
           readonly f = form(this.data, (p) => {
-            disabled(p, () => 'Currently unavailable');
+            disabled(p, {when: () => 'Currently unavailable'});
           });
           readonly customControl = viewChild.required(CustomControl);
         }
@@ -750,8 +750,10 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, () => {
-              return this.disabled() ? 'b' : false;
+            disabled(p, {
+              when: () => {
+                return this.disabled() ? 'b' : false;
+              },
             });
           });
           readonly dir = viewChild.required(TestDir);
@@ -790,8 +792,10 @@ describe('field directive', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, () => {
-              return this.disabled() ? 'b' : false;
+            disabled(p, {
+              when: () => {
+                return this.disabled() ? 'b' : false;
+              },
             });
           });
           readonly dir = viewChild.required(TestDir);
@@ -822,7 +826,7 @@ describe('field directive', () => {
         })
         class TestCmp {
           readonly f = form(signal({x: '', y: ''}), (p) => {
-            disabled(p.x, () => 'Currently unavailable');
+            disabled(p.x, {when: () => 'Currently unavailable'});
           });
           readonly field = signal(this.f.x);
           readonly customControl = viewChild.required(CustomControl);
@@ -1053,7 +1057,7 @@ describe('field directive', () => {
         })
         class TestCmp {
           readonly f = form(signal(''), (p) => {
-            hidden(p, () => !visible());
+            hidden(p, {when: () => !visible()});
           });
           readonly field = signal(this.f);
           readonly customControl = viewChild.required(CustomControlDir);
@@ -1086,7 +1090,7 @@ describe('field directive', () => {
         })
         class TestCmp {
           readonly f = form(signal(''), (p) => {
-            hidden(p, () => !visible());
+            hidden(p, {when: () => !visible()});
           });
           readonly field = signal(this.f);
           readonly customControl = viewChild.required(CustomControl);
@@ -1115,7 +1119,7 @@ describe('field directive', () => {
         })
         class TestCmp {
           readonly f = form(signal(''), (p) => {
-            hidden(p, () => !visible());
+            hidden(p, {when: () => !visible()});
           });
           readonly field = signal(this.f);
           readonly customControl = viewChild.required(CustomControl);
@@ -1142,7 +1146,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly hidden = signal(false);
           readonly f = form(signal(''), (p) => {
-            hidden(p, this.hidden);
+            hidden(p, {when: this.hidden});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -1174,7 +1178,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly hidden = signal(false);
           readonly f = form(signal(''), (p) => {
-            hidden(p, this.hidden);
+            hidden(p, {when: this.hidden});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -1201,7 +1205,7 @@ describe('field directive', () => {
         })
         class TestCmp {
           readonly f = form(signal({x: 'a', y: 'b'}), (p) => {
-            hidden(p.x, () => true);
+            hidden(p.x, {when: () => true});
           });
           readonly field = signal(this.f.x);
           readonly customControl = viewChild.required(CustomControl);
@@ -1223,7 +1227,7 @@ describe('field directive', () => {
         })
         class TestCmp {
           readonly f = form(signal(''), (p) => {
-            hidden(p, () => true);
+            hidden(p, {when: () => true});
           });
         }
 
@@ -1246,7 +1250,7 @@ describe('field directive', () => {
         })
         class TestCmp {
           readonly f = form(signal(''), (p) => {
-            hidden(p, isHidden);
+            hidden(p, {when: isHidden});
           });
         }
 
@@ -1866,7 +1870,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly readonly = signal(true);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.readonly);
+            readonly(p, {when: this.readonly});
           });
         }
 
@@ -1901,7 +1905,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly readonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.readonly);
+            readonly(p, {when: this.readonly});
           });
           readonly child = viewChild.required(CustomControlDir);
         }
@@ -1932,7 +1936,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly readonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.readonly);
+            readonly(p, {when: this.readonly});
           });
           readonly customControl = viewChild.required(CustomControl);
         }
@@ -1959,7 +1963,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly readonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.readonly);
+            readonly(p, {when: this.readonly});
           });
           readonly child = viewChild.required(CustomControl);
         }
@@ -1985,7 +1989,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly readonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.readonly);
+            readonly(p, {when: this.readonly});
           });
         }
 
@@ -2011,7 +2015,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly readonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.readonly);
+            readonly(p, {when: this.readonly});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -2043,7 +2047,7 @@ describe('field directive', () => {
         class TestCmp {
           readonly readonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.readonly);
+            readonly(p, {when: this.readonly});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -4690,7 +4694,7 @@ describe('field directive', () => {
       `,
     })
     class TestCmp {
-      f = form(signal(''), (p) => hidden(p, ({value}) => value() === ''));
+      f = form(signal(''), (p) => hidden(p, {when: ({value}) => value() === ''}));
       select = viewChild<ElementRef<HTMLSelectElement>>('select');
       options = ['one', 'two', 'three'];
     }
@@ -4721,7 +4725,7 @@ describe('field directive', () => {
       `,
     })
     class TestCmp {
-      f = form(signal(''), (p) => hidden(p, ({value}) => value() === ''));
+      f = form(signal(''), (p) => hidden(p, {when: ({value}) => value() === ''}));
       select = viewChild<ElementRef<HTMLSelectElement>>('select');
       options = ['one', 'two', 'three'];
     }
@@ -4934,7 +4938,7 @@ describe('field directive', () => {
       myInput = viewChild.required<CustomInput>(CustomInput);
       data = signal('');
       f = form(this.data, (p) => {
-        disabled(p, () => 'Currently unavailable');
+        disabled(p, {when: () => 'Currently unavailable'});
       });
     }
 
@@ -4991,7 +4995,7 @@ describe('field directive', () => {
       myInput = viewChild.required<CustomInput>(CustomInput);
       data = signal('');
       f = form(this.data, (p) => {
-        hidden(p, ({value}) => value() === '');
+        hidden(p, {when: ({value}) => value() === ''});
       });
     }
 
@@ -5164,7 +5168,7 @@ describe('field directive', () => {
       model = signal('');
       f = form(this.model, (p) => {
         required(p, {message: 'schema error'});
-        disabled(p, ({value}) => (value() === 'disabled' ? 'schema disabled' : false));
+        disabled(p, {when: ({value}) => (value() === 'disabled' ? 'schema disabled' : false)});
       });
       disabledReasons = [{message: 'manual disabled'}];
       errors = [{kind: 'error', message: 'manual error'}];
diff --git a/packages/forms/signals/test/web/interop.spec.ts b/packages/forms/signals/test/web/interop.spec.ts
index fa4d04fbfdb..45328911030 100644
--- a/packages/forms/signals/test/web/interop.spec.ts
+++ b/packages/forms/signals/test/web/interop.spec.ts
@@ -388,7 +388,7 @@ describe('ControlValueAccessor', () => {
     })
     class TestCmp {
       f = form<string>(signal('test'), (p) => {
-        disabled(p, () => !enabled());
+        disabled(p, {when: () => !enabled()});
       });
     }
 
@@ -516,7 +516,7 @@ describe('ControlValueAccessor', () => {
     class App {
       disabled = signal(false);
       readonly f = form(signal('test'), (f) => {
-        disabled(f, () => this.disabled());
+        disabled(f, {when: () => this.disabled()});
       });
     }
 
@@ -622,7 +622,7 @@ describe('ControlValueAccessor', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -644,7 +644,7 @@ describe('ControlValueAccessor', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, this.disabled);
+            disabled(p, {when: this.disabled});
           });
         }
 
@@ -725,8 +725,10 @@ describe('ControlValueAccessor', () => {
         class TestCmp {
           readonly disabled = signal(false);
           readonly f = form(signal(''), (p) => {
-            disabled(p, () => {
-              return this.disabled() ? 'Test reason' : false;
+            disabled(p, {
+              when: () => {
+                return this.disabled() ? 'Test reason' : false;
+              },
             });
           });
           readonly dir = viewChild.required(TestDir);
@@ -787,7 +789,7 @@ describe('ControlValueAccessor', () => {
         class TestCmp {
           readonly hidden = signal(false);
           readonly f = form(signal(''), (p) => {
-            hidden(p, this.hidden);
+            hidden(p, {when: this.hidden});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -923,7 +925,7 @@ describe('ControlValueAccessor', () => {
         class TestCmp {
           readonly isReadonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.isReadonly);
+            readonly(p, {when: this.isReadonly});
           });
           readonly dir = viewChild.required(TestDir);
         }
@@ -945,7 +947,7 @@ describe('ControlValueAccessor', () => {
         class TestCmp {
           readonly isReadonly = signal(false);
           readonly f = form(signal(''), (p) => {
-            readonly(p, this.isReadonly);
+            readonly(p, {when: this.isReadonly});
           });
         }
 
diff --git a/packages/forms/signals/test/web/signal_form_control_web.spec.ts b/packages/forms/signals/test/web/signal_form_control_web.spec.ts
index da4ca61b338..9d4c93b3b10 100644
--- a/packages/forms/signals/test/web/signal_form_control_web.spec.ts
+++ b/packages/forms/signals/test/web/signal_form_control_web.spec.ts
@@ -103,7 +103,7 @@ describe('SignalFormControl (web)', () => {
       readonly signalControl = new SignalFormControl(
         10,
         (p) => {
-          disabled(p, ({value}) => value() > 15);
+          disabled(p, {when: ({value}) => value() > 15});
         },
         {injector: inject(Injector)},
       );