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Department of Buildings

In observance of the Indigenous Peoples' Day holiday, DOB will be closed and no construction will be allowed on Monday, October 9, 2023 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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Ward-Based Account Managers

DOB is dedicated to better-serving residents and businesses. Our Account Managers provide wards with a single, dedicated contact, ready to assist you with issues that fall under the purview of DOB.

The fastest and most effective way to bring an issue to our attention is to submit it via our customer relationship management system. Issues submitted in this way are routed to the appropriate DOB staff member and tracked to ensure timely completion. To do this, simply email [email protected], fill out our online intake form, call (202) 671-3500, or use the chat feature on our website during normal business hours.

If you see illegal construction activity in the District of Columbia, please report it by submitting an Illegal Construction Inspection Request Form, or after-hours call 311. Give the address and describe the illegal construction, and DOB will schedule an inspection to investigate.