Lutron Caséta Smart Bridge Setup

This guide walks you through connecting your Lutron Smart Bridge (Caséta) to Home Assistant. You will find the IP address of your Lutron Bridge, add the Lutron Caséta integration, and authenticate using the physical button on the bridge.

Before You Start

Confirm the following before you begin:

1. Your Lutron Bridge is powered on and connected to the network.
2. Home Assistant and the Lutron Bridge are on the same network.
3. You have physical access to the bridge for the authentication step.

Step 1: Find Your Lutron Bridge IP Address

Option 1: Use NetAlertX

NetAlertX is a network scanner that works regardless of the home’s network hardware and can be installed on any Home Assistant instance:

1. Open NetAlertX and review the list of discovered devices.
2. Look for devices named Lutron or Caseta.
3. Copy the IP address for each bridge.

Option 2: Use Your Router

1. Check your router’s device list.
2. Look for Lutron or similar device names.

Step 2: Add the Lutron Caséta Integration

1. In Home Assistant, go to Settings > Devices & Services > Add Integration.
2. Search for Lutron and select it.
3. Select Lutron Caséta. The plain Lutron entry is a different integration, for RadioRA 2 systems.

Step 3: Enter the Bridge Information

1. Enter the IP address of your Lutron Bridge.
2. Click Submit.

Step 4: Authenticate with the Bridge

1. Home Assistant shows Pair with the bridge.
2. Click Submit first. Home Assistant now waits for the bridge.
3. Within a few seconds, press the small black button on the back of your Lutron Smart Bridge.
4. Home Assistant finishes pairing and adds the bridge.

Step 5: Complete the Setup

Home Assistant connects to the bridge and imports your Lutron devices (lights, dimmers, shades, and more) automatically. No manual device setup is required.

Step 6: Repeat for Additional Bridges

If the home has more than one Lutron Bridge, repeat Steps 2 through 5 for each bridge.

Troubleshooting

If the connection fails:

1. Double-check the IP address.
2. Confirm Home Assistant and the bridge are on the same network.
3. Retry the pairing: click Submit first, then press the button on the bridge.
4. If you see Device is already configured, the bridge is already set up. Check Settings > Devices & Services for an existing Lutron Caséta entry.