When does a patio, walkway, or driveway need a building permit in Washington?

DOB's exemption list covers only in-kind replacement of patios, private sidewalks and driveways. New paving needs a permit. Replacing an existing patio or walk with the same material, outside a historic district, needs no permit.

Where do I apply for a patio, walkway, or driveway permit in Washington?

Apply through Department of Buildings, or call (202) 671-3500.

Do you need a permit for a patio, walkway, or driveway in Washington, DC?

It depends on the details of your project.

DC exempts only like-for-like replacement of a patio, walk or driveway. New paving needs a permit.

A front patio in public space needs a DDOT public space permit.

Digging up more than 50 sq ft needs an erosion and sediment control plan.

A person last checked these rules on October 20, 2026. This is guidance only, so confirm with Washington before you build.

Permits a patio, walkway, or driveway can need in Washington

Permit	When it applies
Building permit	DOB's exemption list covers only in-kind replacement of patios, private sidewalks and driveways. New paving needs a permit.Medium confidence
DDOT public space permit	Front patios in public space and any new curb cut need a DDOT public space permit. Parking in a front yard is generally not allowed.Medium confidence
DOEE erosion and sediment control plan	Disturbing more than 50 sq ft of soil needs an erosion and sediment control plan.
Floodplain development permit	Paving and fill in a FEMA special flood hazard area need a floodplain permit.
Historic Preservation Office review	On a landmark or in a historic district every permit exemption falls away, and HPO reviews exterior work visible from a street before DOB issues the permit.

Local details

Call 811 at least a few days before you dig footings or post holes. Utility locating is free.
HOA covenants and deed restrictions can be stricter than city rules. Check yours before you build.

How to apply

Common questions

When does a patio, walkway, or driveway need a building permit in Washington?: DOB's exemption list covers only in-kind replacement of patios, private sidewalks and driveways. New paving needs a permit. Replacing an existing patio or walk with the same material, outside a historic district, needs no permit.
Where do I apply for a patio, walkway, or driveway permit in Washington?: Apply through Department of Buildings, or call (202) 671-3500.

Sources

DC Department of Buildings, How to get a permit. Checked 2026-10-20
Unless you are in a historic district, the following work does not require a building permit: ... Replacement in-kind of ... Private sidewalks and driveways; Patios ... Single garden storage shed that does not exceed 50 square feet (4.65 m2) in area and is …
DDOT, Fences and Retaining Walls FAQs (public space). Checked 2026-10-20
[Fences in public space] Must be at least 50% open and no more than 42 inches tall... any use of the public right-of-way [the space outside the private property line] requires permission from the District Department of Transportation.
DC Department of Energy and Environment, Erosion and Sediment Control. Checked 2026-10-21
An ESC plan is required for building construction and redevelopment projects that disturb or move more than 50 square feet of land... [The minor track covers projects that disturb] less than 5,000 square feet of land [and don't require stormwater management…
44 CFR 59.1, definition of development (NFIP). Checked 2026-10-19
Development means any man-made change to improved or unimproved real estate, including but not limited to buildings or other structures...
44 CFR 60.3, floodplain management criteria. Checked 2026-10-19
Require permits for all proposed construction or other development in the community...
DC Office of Planning, Historic Preservation Office, permit review. Checked 2026-10-21
[The Historic Preservation Review Board, staffed by HPO,] reviews construction affecting those properties [landmarks and properties in historic districts].