District Department of the Environment (DDOE)

Get a formal approval from District Department of the Environment that verifies a business' compliance with District and Federal environmental laws and regulations.

Department of Consumer and Regulatory Affairs

1100 4th Street, SW, Washington, DC, 20024

Office Hours: Monday,Tuesday,Wednesday,Friday 8:30am to 4:30pm and Thursday 9:30am - 4:30pm

Phone: (202) 442-4400

This is map view of the location