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Department of Buildings

In observance of Independence Day, DOB will be closed on Friday, July 4, 2025; no construction will be allowed on this day without an after-hours permit. You may report illegal construction here or by calling 311. Also as part of online system enhancements, the Permit Wizard will be unavailable due to scheduled maintenance from 10:00 pm EST on Thursday, July 3, 2025, through 7:00 am EST Saturday, July 5, 2025.

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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Green Building Program Manual - SUPERSEDED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)

Office of Construction and Building Standards - Notice of Administrative Bulletin 2025-02 - Third-Party Special Inspection Agencies (TPSIAs) and Compliance with Structural Sequences of Construction

After Action Reports
1111 V Street NW Collapse