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How to file the Certificate of Occupancy (Washington, DC)

Needed when a new owner or tenant takes over a space, even with the same use, and when the space is used for something new; a new use also needs building permits and final inspections. Applied for online in Certifi.

DC Department of BuildingsWashington, DCUpdated October 17, 2026

Agency
DC Department of Buildings
Where it applies
Washington, DC
How it's filed
Filed on the agency's portal
Fee
Varies

Official links

Checked against the agency's own page.

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This guide covers the city. Your exact address decides the county, the health district and the zoning. Placetta maps every filing for it, fills the official forms from your details, adds the deadlines and puts them up for your approval.

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