Method, systems, devices, and techniques for access control provisioning are described. A monitoring system configured to monitor a property includes an access control device that is configured to receive an access control request and provide access to a portion of the property in response to the request. The system also includes a control unit or board that is configured to transmit, through a particular relay out of multiple relays, the access control request. The control unit further receives data indicating that the access control device received the access control request and determines that the particular relay corresponds to the access control device.