Washington DC does not require alarm systems be registered with the district. However, they do require that alarm companies be licensed "Security Alarm Agencies" and, if they are installing any hardwire security alarm systems, as "Electrical Contractors".
You may search and verify the license status of companies in Washington DC on the Department of Consumer and Regulatory Affairs business license verification web site security alarm installation companies and security guard companies.
Electrical contractor licenses, for Washington DC, may be verified at the Board in Industry Trades website. DC Requires companies be licensed electrical contractors for the installation of hardwired security alarm systems (commercial and residential), access control systems, video surveillance systems, commercial fire alarm systems, or any other system that requires the installation of any low voltage wiring.
Washington DC currently does not have any false alarm reduction program or alarm registration requirements.