diff --git a/packages/@ionic/cli/src/commands/capacitor/sync.ts b/packages/@ionic/cli/src/commands/capacitor/sync.ts
index 5dafe72477..b736cd367d 100644
--- a/packages/@ionic/cli/src/commands/capacitor/sync.ts
+++ b/packages/@ionic/cli/src/commands/capacitor/sync.ts
@@ -1,7 +1,9 @@
-import { CommandMetadataOption } from '@ionic/cli-framework';
+import { BaseError, CommandMetadataOption } from '@ionic/cli-framework';
 
-import { CommandInstanceInfo, CommandLineInputs, CommandLineOptions, CommandMetadata, CommandPreRun } from '../../definitions';
+import { CapacitorSyncHookName, CommandInstanceInfo, CommandLineInputs, CommandLineOptions, CommandMetadata, CommandPreRun } from '../../definitions';
 import { input } from '../../lib/color';
+import { FatalException } from '../../lib/errors';
+import { Hook, HookDeps } from '../../lib/hooks';
 
 import { CapacitorCommand } from './base';
 
@@ -53,6 +55,10 @@ ${input('ionic capacitor sync')} will do the following:
   }
 
   async run(inputs: CommandLineInputs, options: CommandLineOptions): Promise<void> {
+    if (!this.project) {
+      throw new FatalException(`Cannot run ${input('ionic capacitor sync')} outside a project directory.`);
+    }
+
     const [ platform ] = inputs;
 
     if (options.build) {
@@ -66,5 +72,42 @@ ${input('ionic capacitor sync')} will do the following:
     }
 
     await this.runCapacitor(args);
+
+    const hookDeps: HookDeps = {
+      config: this.env.config,
+      project: this.project,
+      shell: this.env.shell,
+    };
+
+    await this.runCapacitorSyncHook('capacitor:sync:after', inputs, options, hookDeps);
+  }
+
+  private async runCapacitorSyncHook(name: CapacitorSyncHookName, inputs: CommandLineInputs, options: CommandLineOptions, e: HookDeps): Promise<void> {
+    const hook = new CapacitorSyncHook(name, e);
+    const buildRunner = await e.project.requireBuildRunner();
+
+    try {
+      await hook.run({
+        name: hook.name,
+        build: buildRunner.createOptionsFromCommandLine(inputs, options),
+        capacitor: this.createOptionsFromCommandLine(inputs, options),
+      });
+    } catch (e) {
+      if (e instanceof BaseError) {
+        throw new FatalException(e.message);
+      }
+
+      throw e;
+    }
+  }
+}
+
+class CapacitorSyncHook extends Hook {
+  readonly name: CapacitorSyncHookName;
+
+  constructor(name: CapacitorSyncHookName, e: HookDeps) {
+    super(e);
+
+    this.name = name;
   }
 }
diff --git a/packages/@ionic/cli/src/definitions.ts b/packages/@ionic/cli/src/definitions.ts
index e5596ab9c0..4c7483bcb4 100644
--- a/packages/@ionic/cli/src/definitions.ts
+++ b/packages/@ionic/cli/src/definitions.ts
@@ -74,10 +74,11 @@ export interface Runner<T extends object, U> {
 }
 
 export type ProjectType = 'angular' | 'ionic-angular' | 'ionic1' | 'custom' | 'bare' | 'react' | 'vue';
-export type HookName = 'build:before' | 'build:after' | 'serve:before' | 'serve:after' | 'capacitor:run:before' | 'capacitor:build:before';
+export type HookName = 'build:before' | 'build:after' | 'serve:before' | 'serve:after' | 'capacitor:run:before' | 'capacitor:build:before' | 'capacitor:sync:after';
 
 export type CapacitorRunHookName = 'capacitor:run:before';
 export type CapacitorBuildHookName = 'capacitor:build:before';
+export type CapacitorSyncHookName = 'capacitor:sync:after';
 
 export interface BaseHookContext {
   project: {
@@ -92,6 +93,11 @@ export interface BaseHookContext {
 export type AnyServeOptions = ReactServeOptions | AngularServeOptions | IonicAngularServeOptions | Ionic1ServeOptions;
 export type AnyBuildOptions = ReactBuildOptions | AngularBuildOptions | IonicAngularBuildOptions | Ionic1BuildOptions;
 
+export interface CapacitorSyncHookInput {
+  readonly name: CapacitorSyncHookName;
+  readonly build?: AnyBuildOptions;
+  readonly capacitor: IonicCapacitorOptions;
+}
 export interface CapacitorRunHookInput {
   readonly name: CapacitorRunHookName;
   readonly serve?: AnyServeOptions;
@@ -120,7 +126,7 @@ export interface ServeAfterHookInput {
   readonly serve: (AngularServeOptions | IonicAngularServeOptions | Ionic1ServeOptions) & ServeDetails;
 }
 
-export type HookInput = BuildHookInput | ServeBeforeHookInput | ServeAfterHookInput | CapacitorRunHookInput | CapacitorBuildHookInput;
+export type HookInput = BuildHookInput | ServeBeforeHookInput | ServeAfterHookInput | CapacitorRunHookInput | CapacitorBuildHookInput | CapacitorSyncHookInput;
 export type HookContext = BaseHookContext & HookInput;
 
 export type HookFn = (ctx: HookContext) => Promise<void>;