Building Permits in Washington DC
Find permit requirements, fees, and application steps for all common building projects in Washington DC, DC. Source-cited from official city building code.
Most home improvement projects in Washington DC require a building permit. Select a permit type below to see whether a permit is required, what the fees are, and how to apply through the DC Department of Buildings (DOB).
Permit Types
Fence Permit
Requirements →
Shed Permit
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Deck Permit
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Pool Permit
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Addition Permit
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ADU Permit
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Demolition Permit
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Electrical Permit
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Plumbing Permit
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Roofing Permit
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HVAC Permit
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Solar Permit
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Washington DC Building Department
About Washington DC Building Permits
Building permits ensure that construction work in Washington DC meets local safety codes and zoning requirements. Unpermitted work can result in fines, required demolition, and complications when selling your home. Always confirm permit requirements with the DC Department of Buildings (DOB) before starting any project.
Source: 11 DCMR (DC Municipal Regulations, Title 11 — Zoning) — Accessory Dwelling Unit provisions; DC Home Rule Charter. Last verified April 6, 2026. View source