Doing business in the Washington Metropolitan Area District
… need to do before starting your business in the District of Columbia. If you need small business information for the … site for your business. Contact the local business license office where you plan to locate your business. You may not be … 77 K St. NE Washington, DC 20002 Phone: 202-803-9000 DC Office of Tax and Revenue 1101 4th St. SW, Room 270 …