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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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Publications

E.g., 07/06/2025
E.g., 07/06/2025
06/25/2025

DOB After Action Report for 1111 V Street NW Collapse

06/09/2025

This file contains the list of DC registered land surveyors.

06/20/2024

Zoning Administrator Interpretation ZA-032: Applying Inclusionary Zoning Standards to Co-living Dwelling Units

05/10/2024

The Blight Appeal Checklist is a form used by the Office of Residential Inspection Vacant and Blighted Properties Program.

05/03/2024

Interpretation ZA-007: Roof Top Architectural Element is superseded in part by D.C. Municipal Regulations Title 11, Subtitle E, Section 204.1 and 204.2. 

ZA-007
05/01/2024

References:

o D.C. Official Code § 7-1761.01, et seq.

o 11 DCMR Subtitle A, Chapter 1.

o 11 DCMR Subtitle B, Chapter 2.

o 11 DCMR Subtitle I, Chapter 3.

o 11 DCMR Subtitle K, Chapter 6.

o 11 DCMR Subtitle U, Chapters 5-8.

04/24/2024

The Accelerated Plan Review Guide provides more information on the Accelerated Plan Review Program.

02/15/2024

This document shows Plan Review and Permit timelines in terms of DOB's Service Level Agreements (SLAs) by scope of work. The guide illustrates the anticipated plan review time and shows how long it takes for your permit/plan review process from start to finish.

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