Building Permits in Washington, DC
Check permit requirements for home improvement projects in Washington. Select a project type below to see local requirements, estimated fees, and how to apply.
Deck / Patio
Fence / Gate
Shed / Outbuilding
Roof Replacement
Window / Door
Bathroom Remodel
Kitchen Remodel
Swimming Pool / Hot Tub
Electrical Work
Plumbing Work
HVAC / Furnace
Garage / Carport
Room Addition
Basement Finishing
Retaining Wall
Get a personalized answer
Our lookup tool asks a few questions about your specific project to give you the most accurate answer.
Check Your Project →Washington Building Department
NameDepartment of Buildings
Phone(202) 442-4400
WebsiteVisit website
Address1100 4th St SW, Washington, DC 20024
HoursMon-Fri 8:15am-4:45pm
Disclaimer: Always confirm with your local building department before starting your project. PermitMint provides general guidance, not legal advice.