A system and method for modification of a passcode for accessing the system are provided. The system includes a premises control unit. The premises control unit including control processing circuitry configured to: receive an expected code message, the expected code message instructing an initiation to monitor for an input from a user, receive a input code that is input by the user, determine whether the input code matches a predefined verification code, and if the input code matches the predefined verification code, cause transmission of a verification message to a monitoring server, the verification message indicating the input code matched the predefined verification code and triggering the monitoring server to allow a passcode for accessing the system to be modified.