PlainPermit

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Do I need a permit for a deck in New York City, NY?

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. A deck or porch needs DOB-approved plans and a permit, designed by a licensed engineer or architect, before construction starts.

What changes the answer

Cost

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

Fee source: https://www.nyc.gov/site/buildings/property-or-business-owner/plumbing-permits.page

Where to apply

NYC Department of Buildings (DOB NOW)

Permitting authority: NYC Department of Buildings (DOB). Covers all five boroughs. Landmarked properties need Landmarks Preservation Commission approval even when DOB needs no permit. Many projects must be filed by a licensed professional or licensed trade.

Official sources

“Construction may only begin after the Department approves construction plans and issues permits for a deck or porch. Only an NYS licensed professional engineer (PE) or registered architect (RA) may design them.”

Source: https://www.nyc.gov/site/buildings/property-or-business-owner/decks-porches-swimming-pools.page

Verified: · Status: verified · Confidence: high

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