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Department of Buildings

Beginning Monday, May 20, 2024, DOB’s Customer Service hours (live chat, telephone, and Walk-In Center) will be Monday, Tuesday, Wednesday, and Friday from 8:30 am-4:30 pm, with Thursday's hours from 9:30 am-4:30 pm. You may also email us at any time at [email protected] or use our online contact form. Thank you and we look forward to serving you. 

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Publications

E.g., 06/16/2024
E.g., 06/16/2024
10/01/2019

The term “abut” is not defined in the Zoning Regulations.  However, 11 DCMR B-100.1(g) prescribes the meanings given in Webster’s Unabridged Dictionary for terms not defined in Section B-100.1. 

ZA- 004
10/01/2019

If there is a dining area that is open to the sky for an eating and drinking establishment located on lower roof area of a building that is adjacent to a “partial floor,” of which said partial floor is not a pent

ZA-009
10/01/2019

The “chargeability” of Gross Floor Area (GFA) regarding exterior and inset balconies, under the Zoning Regulations, is as follows: 

ZA-002
10/01/2019

Interpretation ZA-005: Use of Parapet as Rooftop Deck Railings without Setback is superseded by D.C. Municipal Regulations Title 11, Subtitle C, Section 1504.2(a). 

ZA-005
10/01/2019

The razing or complete removal of a building has certain zoning consequences, [e.g.

ZA-010
12/21/2018

Proactive Inspections Schedule - January 2019

04/11/2018

CC2018-01

Required presence of master tradesperson permit holder at trade permit inspections.

08/25/2016

Attached are the Notice of Emergency and Proposed Rulemaking – 12A DCMR Appendix N (Interior Signs).

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