Zoning in District of Columbia
What you can use the land for and how close to the lines you can build.
DC Office of Zoning
The District's zoning map and zoning regulations, plus the Board of Zoning Adjustment and Zoning Commission cases that change them.
About zoning
Zoning describes allowed land uses and development standards. The responsible county, city, or other local planning office depends on the property location. Use its zoning map and current ordinances, then contact the office about your project.