diff --git a/gallery/src/pages/components/ha-form.ts b/gallery/src/pages/components/ha-form.ts
index 05591dcee3..dc8fdb5c51 100644
--- a/gallery/src/pages/components/ha-form.ts
+++ b/gallery/src/pages/components/ha-form.ts
@@ -57,6 +57,7 @@ const DEVICES = [
     sw_version: null,
     hw_version: null,
     via_device_id: null,
+    serial_number: null,
   },
   {
     area_id: "backyard",
@@ -74,6 +75,7 @@ const DEVICES = [
     sw_version: null,
     hw_version: null,
     via_device_id: null,
+    serial_number: null,
   },
   {
     area_id: null,
@@ -91,6 +93,7 @@ const DEVICES = [
     sw_version: null,
     hw_version: null,
     via_device_id: null,
+    serial_number: null,
   },
 ];
 
diff --git a/gallery/src/pages/components/ha-selector.ts b/gallery/src/pages/components/ha-selector.ts
index 4cdc97013b..004bb3f406 100644
--- a/gallery/src/pages/components/ha-selector.ts
+++ b/gallery/src/pages/components/ha-selector.ts
@@ -53,6 +53,7 @@ const DEVICES = [
     sw_version: null,
     hw_version: null,
     via_device_id: null,
+    serial_number: null,
   },
   {
     area_id: "backyard",
@@ -70,6 +71,7 @@ const DEVICES = [
     sw_version: null,
     hw_version: null,
     via_device_id: null,
+    serial_number: null,
   },
   {
     area_id: null,
@@ -87,6 +89,7 @@ const DEVICES = [
     sw_version: null,
     hw_version: null,
     via_device_id: null,
+    serial_number: null,
   },
 ];
 
diff --git a/gallery/src/pages/misc/integration-card.ts b/gallery/src/pages/misc/integration-card.ts
index 5b4dda93ee..ad0e1f2bca 100644
--- a/gallery/src/pages/misc/integration-card.ts
+++ b/gallery/src/pages/misc/integration-card.ts
@@ -213,6 +213,7 @@ const createDeviceRegistryEntries = (
     name: "Tag Reader",
     sw_version: null,
     hw_version: "1.0.0",
+    serial_number: "00_12_4B_00_22_98_88_7F",
     id: "mock-device-id",
     identifiers: [],
     via_device_id: null,
diff --git a/src/data/device_registry.ts b/src/data/device_registry.ts
index 37685de007..6995e4b924 100644
--- a/src/data/device_registry.ts
+++ b/src/data/device_registry.ts
@@ -20,6 +20,7 @@ export interface DeviceRegistryEntry {
   name: string | null;
   sw_version: string | null;
   hw_version: string | null;
+  serial_number: string | null;
   via_device_id: string | null;
   area_id: string | null;
   name_by_user: string | null;
diff --git a/src/panels/config/devices/device-detail/ha-device-info-card.ts b/src/panels/config/devices/device-detail/ha-device-info-card.ts
index 219031a403..03818c1fe0 100644
--- a/src/panels/config/devices/device-detail/ha-device-info-card.ts
+++ b/src/panels/config/devices/device-detail/ha-device-info-card.ts
@@ -96,6 +96,16 @@ export class HaDeviceCard extends LitElement {
                 </div>
               `
             : ""}
+          ${this.device.serial_number
+            ? html`
+                <div class="extra-info">
+                  ${this.hass.localize(
+                    "ui.panel.config.integrations.config_entry.serial_number",
+                    { serial_number: this.device.serial_number }
+                  )}
+                </div>
+              `
+            : ""}
           <slot></slot>
         </div>
         <slot name="actions"></slot>
diff --git a/src/translations/en.json b/src/translations/en.json
index 31300d769b..a8fed37060 100644
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -3613,6 +3613,7 @@
             "firmware": "Firmware: {version}",
             "hardware": "Hardware: {version}",
             "version": "Version: {version}",
+            "serial_number": "Serial number: {serial_number}",
             "unnamed_entry": "Unnamed entry",
             "unknown_via_device": "Unknown device",
             "area": "In {area}",