How do I obtain a permit or a license for a special event in Washington, DC?
Depending on the type of event you are planning, you may need a license, a permit, or both. Permits are issued by the Metropolitan Police Department, the Department of Public Works, the Homeland Security and Emergency Management Agency, the US Park Police, the Department of Consumer and Regulatory Affairs, and the Department of Parks and Recreation. Licenses to sell goods or food at special events are issued by the Department of Consumer and Regulatory Affairs.