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Department of Buildings

In observance of the Emancipation Day holiday, DOB will be closed on Tuesday, April 16, 2024; no construction will be allowed on this day without an after-hours permit. You may report illegal construction by submitting an Illegal Construction Inspection Request Form during normal business hours or by calling 311.

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Welcome to the Department of Buildings

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Administrative Bulletins

Construction Codes

CC2021-001

Construction Codes Administrative Bulletin - Requirement to Report Unsafe and Emergency Conditions

CC2018-01

Construction Codes Administrative Bulletin – Master Tradesmen

CC2014-01

Green Building Program Manual - SUPERSEDED

CC2014-02

Green Building Program Manual

CC2015-01

Construction Codes Administrative Bulletin - Neighborhood Notice

Office of the Administrator – Notice of Emergency and Proposed Rulemaking – 12A DCMR Appendix N (Interior Signs)