PlainPermit

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Do I need a permit for a deck in Washington, DC?

Last verified: · Confidence: high · Status: Verified from official source

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.
Permit required Confidence: high

Yes. Porches and decks, including alterations to existing ones, need a permit.

Cost

Fee not extracted; see DC DOB. Unverified, confirm locally

Fee source: https://dob.dc.gov/page/get-permit

Where to apply

DC Department of Buildings (DOB) online permits

Permitting authority: District of Columbia Department of Buildings (DOB). Covers the District of Columbia. Historic districts remove most exemptions. Work in public space (including many front yards and alleys) needs a separate DDOT public space permit.

Official sources

“Porches and decks (including alterations to existing)”

Source: https://dob.dc.gov/page/get-permit

Verified: · Status: verified · Confidence: high

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Other projects in Washington

Deck permits in other cities