diff --git a/packages/base-controller/package.json b/packages/base-controller/package.json
index 2d08ff61bd..a1b3dec620 100644
--- a/packages/base-controller/package.json
+++ b/packages/base-controller/package.json
@@ -53,6 +53,7 @@
   },
   "dependencies": {
     "@metamask/messenger": "^2.0.0",
+    "@metamask/superstruct": "^3.4.1",
     "@metamask/utils": "^11.11.0",
     "immer": "^9.0.6"
   },
diff --git a/packages/base-controller/src/BaseController.test.ts b/packages/base-controller/src/BaseController.test.ts
index e2b7614a3a..33323db65c 100644
--- a/packages/base-controller/src/BaseController.test.ts
+++ b/packages/base-controller/src/BaseController.test.ts
@@ -1,6 +1,7 @@
 /* eslint-disable jest/no-export */
 import type { MockAnyNamespace } from '@metamask/messenger';
 import { Messenger, MOCK_ANY_NAMESPACE } from '@metamask/messenger';
+import { number, object, string, Struct } from '@metamask/superstruct';
 import type { Json } from '@metamask/utils';
 import type { Draft, Patch } from 'immer';
 
@@ -12,7 +13,11 @@ import type {
   ControllerStateChangedEvent,
   StatePropertyMetadata,
 } from './BaseController.js';
-import { BaseController, deriveStateFromMetadata } from './BaseController.js';
+import {
+  BaseController,
+  deriveStateFromMetadata,
+  validateControllerState,
+} from './BaseController.js';
 
 export const countControllerName = 'CountController';
 
@@ -1191,3 +1196,35 @@ describe('deriveStateFromMetadata', () => {
     });
   });
 });
+
+describe('validateControllerState', () => {
+  type FooControllerState = {
+    foo: string;
+    bar: number;
+  };
+
+  const FooControllerStateStruct = object({
+    foo: string(),
+    bar: number(),
+  });
+
+  class FooController extends BaseController<
+    'FooController',
+    FooControllerState,
+    any
+  > {
+    static readonly struct: Struct<FooControllerState> =
+      FooControllerStateStruct;
+  }
+
+  it('throws for invalid state in strict mode', () => {
+    expect(() =>
+      validateControllerState(
+        'FooController',
+        FooController,
+        { foo: 'foo', bar: 'bar' },
+        'strict',
+      ),
+    ).toThrow('At path: bar -- Expected a number, but received: \"bar\"');
+  });
+});
diff --git a/packages/base-controller/src/BaseController.ts b/packages/base-controller/src/BaseController.ts
index 2cc4047e45..1e8de918fa 100644
--- a/packages/base-controller/src/BaseController.ts
+++ b/packages/base-controller/src/BaseController.ts
@@ -5,6 +5,7 @@ import type {
   MessengerActions,
   MessengerEvents,
 } from '@metamask/messenger';
+import { Struct, validate } from '@metamask/superstruct';
 import type { Json, PublicInterface } from '@metamask/utils';
 import { enablePatches, produceWithPatches, applyPatches, freeze } from 'immer';
 import type { Draft, Patch } from 'immer';
@@ -244,6 +245,7 @@ export class BaseController<
     metadata,
     name,
     state,
+    struct,
   }: {
     messenger: ControllerActions<
       ControllerName,
@@ -264,6 +266,7 @@ export class BaseController<
     metadata: StateMetadata<ControllerState>;
     name: ControllerName;
     state: ControllerState;
+    struct?: Struct<ControllerState>;
   }) {
     // The parameter type validates that the expected actions/events are present
     // We don't have a way to validate the type property because the type is invariant
@@ -446,3 +449,50 @@ export function deriveStateFromMetadata<
     }
   }, {} as never);
 }
+
+export type ValidatableController<
+  Controller,
+  ControllerState extends StateConstraint,
+> = (new (...args: any[]) => Controller) & {
+  struct: Struct<ControllerState>;
+};
+
+/**
+ * Validate the state of a controller against its struct. Returning the optionally coerced state if valid and otherwise throwing.
+ *
+ * Note that if the `mode` is lenient, validation errors are logged and not thrown.
+ *
+ * @param name - The name of the controller.
+ * @param controller - The static controller.
+ * @param state - The state of the controller.
+ * @param mode - The validation mode.
+ * @param captureException - A utility function for reporting an error to Sentry.
+ * @returns The validated controller state.
+ */
+export function validateControllerState<
+  ControllerState extends StateConstraint,
+>(
+  name: string,
+  controller: ValidatableController<unknown, ControllerState>,
+  state: unknown,
+  mode: 'strict' | 'lenient',
+  captureException?: (error: Error) => void,
+): ControllerState {
+  const [validationError, result] = validate(state, controller.struct);
+
+  if (mode === 'strict' && validationError) {
+    throw validationError;
+  } else if (mode === 'lenient' && validationError) {
+    const error = new Error(
+      `Validation of "${name}" state failed, but did not block: ${validationError.message}`,
+    );
+    // @ts-expect-error Current target does not support causes.
+    error.cause = validationError;
+
+    captureException?.(error);
+    console.warn(error);
+    return state as ControllerState;
+  }
+
+  return result as ControllerState;
+}
diff --git a/packages/base-controller/src/index.ts b/packages/base-controller/src/index.ts
index 0a615b60e1..b773efc117 100644
--- a/packages/base-controller/src/index.ts
+++ b/packages/base-controller/src/index.ts
@@ -11,5 +11,10 @@ export type {
   ControllerGetStateAction,
   ControllerStateChangeEvent,
   ControllerStateChangedEvent,
+  ValidatableController,
+} from './BaseController.js';
+export {
+  BaseController,
+  deriveStateFromMetadata,
+  validateControllerState,
 } from './BaseController.js';
-export { BaseController, deriveStateFromMetadata } from './BaseController.js';
diff --git a/packages/wallet/src/initialization/initialization.ts b/packages/wallet/src/initialization/initialization.ts
index 9ed426722d..f2e9d09373 100644
--- a/packages/wallet/src/initialization/initialization.ts
+++ b/packages/wallet/src/initialization/initialization.ts
@@ -1,3 +1,5 @@
+import { validateControllerState } from '@metamask/base-controller';
+
 import type { InstanceSpecificOptions, WalletOptions } from '../types.js';
 import type {
   DefaultActions,
@@ -32,15 +34,20 @@ export function initialize(options: InitializeOptions): DefaultInstances {
   const configurationEntries = initializationConfigurations.concat(
     Object.values(defaultConfigurations).filter(
       (config) => !overriddenConfiguration.includes(config.name),
-    ) as InitializationConfiguration<unknown, unknown>[],
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    ) as InitializationConfiguration<any, unknown>[],
   );
 
   const instances: Record<string, unknown> = {};
 
   for (const config of configurationEntries) {
-    const { name } = config;
+    const { name, reference } = config;
+
+    const rawState = state[name];
 
-    const instanceState = state[name];
+    const instanceState = reference?.struct
+      ? validateControllerState(name, reference as never, rawState, 'lenient')
+      : rawState;
 
     const instanceMessenger = config.getMessenger(messenger);
 
diff --git a/packages/wallet/src/initialization/instances/accounts-controller/accounts-controller.ts b/packages/wallet/src/initialization/instances/accounts-controller/accounts-controller.ts
index ec2ea40bb6..dc1c51de33 100644
--- a/packages/wallet/src/initialization/instances/accounts-controller/accounts-controller.ts
+++ b/packages/wallet/src/initialization/instances/accounts-controller/accounts-controller.ts
@@ -16,6 +16,7 @@ export const accountsController: InitializationConfiguration<
   AccountsControllerMessenger
 > = {
   name: 'AccountsController',
+  reference: AccountsController,
   init: ({ state, messenger }) =>
     new AccountsController({
       state,
diff --git a/packages/wallet/src/initialization/instances/address-book-controller/address-book-controller.ts b/packages/wallet/src/initialization/instances/address-book-controller/address-book-controller.ts
index d21148e659..b1df4c61d3 100644
--- a/packages/wallet/src/initialization/instances/address-book-controller/address-book-controller.ts
+++ b/packages/wallet/src/initialization/instances/address-book-controller/address-book-controller.ts
@@ -11,6 +11,7 @@ export const addressBookController: InitializationConfiguration<
   AddressBookControllerMessenger
 > = {
   name: 'AddressBookController',
+  reference: AddressBookController,
   init: ({ state, messenger }) =>
     new AddressBookController({
       state,
diff --git a/packages/wallet/src/initialization/instances/approval-controller/approval-controller.ts b/packages/wallet/src/initialization/instances/approval-controller/approval-controller.ts
index d88456fb35..8bf3f5916d 100644
--- a/packages/wallet/src/initialization/instances/approval-controller/approval-controller.ts
+++ b/packages/wallet/src/initialization/instances/approval-controller/approval-controller.ts
@@ -31,6 +31,7 @@ export const approvalController: InitializationConfiguration<
   ApprovalControllerMessenger
 > = {
   name: 'ApprovalController',
+  reference: ApprovalController,
   init: ({ state, messenger, options }) =>
     new ApprovalController({
       state,
diff --git a/packages/wallet/src/initialization/instances/claims-controller/claims-controller.ts b/packages/wallet/src/initialization/instances/claims-controller/claims-controller.ts
index 8ebbf66a2f..d15b35abc5 100644
--- a/packages/wallet/src/initialization/instances/claims-controller/claims-controller.ts
+++ b/packages/wallet/src/initialization/instances/claims-controller/claims-controller.ts
@@ -9,6 +9,7 @@ export const claimsController: InitializationConfiguration<
   ClaimsControllerMessenger
 > = {
   name: 'ClaimsController',
+  reference: ClaimsController,
   init: ({ state, messenger }) =>
     new ClaimsController({
       messenger,
diff --git a/packages/wallet/src/initialization/instances/config-registry-controller/config-registry-controller.ts b/packages/wallet/src/initialization/instances/config-registry-controller/config-registry-controller.ts
index 3b79a846e4..b99a43f4d5 100644
--- a/packages/wallet/src/initialization/instances/config-registry-controller/config-registry-controller.ts
+++ b/packages/wallet/src/initialization/instances/config-registry-controller/config-registry-controller.ts
@@ -11,6 +11,7 @@ export const configRegistryController: InitializationConfiguration<
   ConfigRegistryControllerMessenger
 > = {
   name: 'ConfigRegistryController',
+  reference: ConfigRegistryController,
   init: ({ state, messenger, options }) =>
     new ConfigRegistryController({
       messenger,
diff --git a/packages/wallet/src/initialization/instances/connectivity-controller/connectivity-controller.ts b/packages/wallet/src/initialization/instances/connectivity-controller/connectivity-controller.ts
index f9a4a727d9..9c3c59399a 100644
--- a/packages/wallet/src/initialization/instances/connectivity-controller/connectivity-controller.ts
+++ b/packages/wallet/src/initialization/instances/connectivity-controller/connectivity-controller.ts
@@ -16,6 +16,7 @@ export const connectivityController: InitializationConfiguration<
   ConnectivityControllerMessenger
 > = {
   name: 'ConnectivityController',
+  reference: ConnectivityController,
   init: ({ messenger, options }) =>
     new ConnectivityController({
       messenger,
diff --git a/packages/wallet/src/initialization/instances/gas-fee-controller/gas-fee-controller.ts b/packages/wallet/src/initialization/instances/gas-fee-controller/gas-fee-controller.ts
index fc2f1b2eff..5984d92d4b 100644
--- a/packages/wallet/src/initialization/instances/gas-fee-controller/gas-fee-controller.ts
+++ b/packages/wallet/src/initialization/instances/gas-fee-controller/gas-fee-controller.ts
@@ -18,6 +18,7 @@ export const gasFeeController: InitializationConfiguration<
   GasFeeMessenger
 > = {
   name: 'GasFeeController',
+  reference: GasFeeController,
   init: ({ state, messenger, options }) => {
     const {
       clientId,
diff --git a/packages/wallet/src/initialization/instances/keyring-controller/keyring-controller.ts b/packages/wallet/src/initialization/instances/keyring-controller/keyring-controller.ts
index fa6cc7c9db..274543dee2 100644
--- a/packages/wallet/src/initialization/instances/keyring-controller/keyring-controller.ts
+++ b/packages/wallet/src/initialization/instances/keyring-controller/keyring-controller.ts
@@ -14,6 +14,7 @@ export const keyringController: InitializationConfiguration<
   KeyringControllerMessenger
 > = {
   name: 'KeyringController',
+  reference: KeyringController,
   init: ({ state, messenger, options }) =>
     new KeyringController({
       state,
diff --git a/packages/wallet/src/initialization/instances/network-controller/network-controller.ts b/packages/wallet/src/initialization/instances/network-controller/network-controller.ts
index 5557dace48..ca817f64f0 100644
--- a/packages/wallet/src/initialization/instances/network-controller/network-controller.ts
+++ b/packages/wallet/src/initialization/instances/network-controller/network-controller.ts
@@ -11,6 +11,7 @@ export const networkController: InitializationConfiguration<
   NetworkControllerMessenger
 > = {
   name: 'NetworkController',
+  reference: NetworkController,
   init: ({ state, messenger, options }) =>
     new NetworkController({
       state,
diff --git a/packages/wallet/src/initialization/instances/passkey-controller/passkey-controller.ts b/packages/wallet/src/initialization/instances/passkey-controller/passkey-controller.ts
index 7e40e7ce59..a68ba978ca 100644
--- a/packages/wallet/src/initialization/instances/passkey-controller/passkey-controller.ts
+++ b/packages/wallet/src/initialization/instances/passkey-controller/passkey-controller.ts
@@ -16,6 +16,7 @@ export const passkeyController: InitializationConfiguration<
   PasskeyControllerMessenger
 > = {
   name: 'PasskeyController',
+  reference: PasskeyController,
   init: ({ state, messenger, options }) =>
     new PasskeyController({
       ...options,
diff --git a/packages/wallet/src/initialization/instances/remote-feature-flag-controller/remote-feature-flag-controller.ts b/packages/wallet/src/initialization/instances/remote-feature-flag-controller/remote-feature-flag-controller.ts
index 29b29fdcd3..b10805b0af 100644
--- a/packages/wallet/src/initialization/instances/remote-feature-flag-controller/remote-feature-flag-controller.ts
+++ b/packages/wallet/src/initialization/instances/remote-feature-flag-controller/remote-feature-flag-controller.ts
@@ -11,6 +11,7 @@ export const remoteFeatureFlagController: InitializationConfiguration<
   RemoteFeatureFlagControllerMessenger
 > = {
   name: 'RemoteFeatureFlagController',
+  reference: RemoteFeatureFlagController,
   init: ({ state, messenger, options }) =>
     new RemoteFeatureFlagController({
       state,
diff --git a/packages/wallet/src/initialization/instances/seedless-onboarding-controller/seedless-onboarding-controller.ts b/packages/wallet/src/initialization/instances/seedless-onboarding-controller/seedless-onboarding-controller.ts
index 1f07d40ffc..5d02a58160 100644
--- a/packages/wallet/src/initialization/instances/seedless-onboarding-controller/seedless-onboarding-controller.ts
+++ b/packages/wallet/src/initialization/instances/seedless-onboarding-controller/seedless-onboarding-controller.ts
@@ -12,6 +12,7 @@ export const seedlessOnboardingController: InitializationConfiguration<
   SeedlessOnboardingControllerMessenger
 > = {
   name: 'SeedlessOnboardingController',
+  reference: SeedlessOnboardingController,
   init: ({ state, messenger, options }) =>
     new SeedlessOnboardingController({
       ...options,
diff --git a/packages/wallet/src/initialization/instances/shield-controller/shield-controller.ts b/packages/wallet/src/initialization/instances/shield-controller/shield-controller.ts
index 01261555f9..e296f67aba 100644
--- a/packages/wallet/src/initialization/instances/shield-controller/shield-controller.ts
+++ b/packages/wallet/src/initialization/instances/shield-controller/shield-controller.ts
@@ -11,6 +11,7 @@ export const shieldController: InitializationConfiguration<
   ShieldControllerMessenger
 > = {
   name: 'ShieldController',
+  reference: ShieldController,
   init: ({ state, messenger, options }) =>
     new ShieldController({
       messenger,
diff --git a/packages/wallet/src/initialization/instances/subscription-controller/subscription-controller.ts b/packages/wallet/src/initialization/instances/subscription-controller/subscription-controller.ts
index c2247dc7fa..30032062e3 100644
--- a/packages/wallet/src/initialization/instances/subscription-controller/subscription-controller.ts
+++ b/packages/wallet/src/initialization/instances/subscription-controller/subscription-controller.ts
@@ -28,6 +28,7 @@ export const subscriptionController: InitializationConfiguration<
   SubscriptionControllerMessenger
 > = {
   name: 'SubscriptionController',
+  reference: SubscriptionController,
   init: ({ state, messenger, options }) =>
     new SubscriptionController({
       ...options,
diff --git a/packages/wallet/src/initialization/instances/transaction-controller/transaction-controller.ts b/packages/wallet/src/initialization/instances/transaction-controller/transaction-controller.ts
index 65eeb232fe..15e4c4b5d3 100644
--- a/packages/wallet/src/initialization/instances/transaction-controller/transaction-controller.ts
+++ b/packages/wallet/src/initialization/instances/transaction-controller/transaction-controller.ts
@@ -11,6 +11,7 @@ export const transactionController: InitializationConfiguration<
   TransactionControllerMessenger
 > = {
   name: 'TransactionController',
+  reference: TransactionController,
   init: ({ state, messenger, options }) => {
     const { disableSwaps = false, ...rest } = options;
 
diff --git a/packages/wallet/src/initialization/types.ts b/packages/wallet/src/initialization/types.ts
index 891b653c6d..56038dc7c4 100644
--- a/packages/wallet/src/initialization/types.ts
+++ b/packages/wallet/src/initialization/types.ts
@@ -1,3 +1,8 @@
+import type {
+  StateConstraint,
+  ValidatableController,
+} from '@metamask/base-controller';
+
 import type { InstanceSpecificOptions } from '../types.js';
 import type {
   DefaultActions,
@@ -53,4 +58,9 @@ export type InitializationConfiguration<Instance, InstanceMessenger> = {
   getMessenger(
     parent: RootMessenger<DefaultActions, DefaultEvents>,
   ): InstanceMessenger;
-};
+} & (InstanceState<Instance> extends StateConstraint
+  ? {
+      reference: (new (...args: any[]) => Instance) &
+        Partial<ValidatableController<Instance, InstanceState<Instance>>>;
+    }
+  : { reference?: undefined });
diff --git a/packages/wallet/src/types.ts b/packages/wallet/src/types.ts
index 426ff0df53..84e8da9998 100644
--- a/packages/wallet/src/types.ts
+++ b/packages/wallet/src/types.ts
@@ -27,10 +27,8 @@ import type { InitializationConfiguration } from './initialization/types.js';
 export type WalletOptions = {
   messenger?: RootMessenger<DefaultActions, DefaultEvents>;
   state?: Record<string, Record<string, Json> | undefined>;
-  initializationConfigurations?: InitializationConfiguration<
-    unknown,
-    unknown
-  >[];
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  initializationConfigurations?: InitializationConfiguration<any, unknown>[];
   instanceOptions: InstanceSpecificOptions;
 };
 
diff --git a/yarn.lock b/yarn.lock
index 9acaac50d8..a7fb52054e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6193,6 +6193,7 @@ __metadata:
   dependencies:
     "@metamask/auto-changelog": "npm:^6.1.0"
     "@metamask/messenger": "npm:^2.0.0"
+    "@metamask/superstruct": "npm:^3.4.1"
     "@metamask/utils": "npm:^11.11.0"
     "@ts-bridge/cli": "npm:^0.6.4"
     "@types/jest": "npm:^30.0.0"