PlainPermit

Do I need a permit for an HVAC or AC replacement in Washington, DC?

Short answer: Yes, a permit is required for an HVAC or AC replacement 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. New and replacement HVAC equipment needs a permit; an Instant Mechanical Permit is available.

What changes the answer

Cost

Fee not extracted; see DC DOB fees. 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. See also: how to apply for a building permit.

Official sources

“New and replacement HVAC equipment”

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

“(4) Instant Mechanical Permit”

Source: https://dob.dc.gov/instantpermits

Verified: · Status: verified · Confidence: high

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