Building Permits in Chicago
Find permit requirements, fees, and application steps for all common building projects in Chicago, IL. Source-cited from official city building code.
Most home improvement projects in Chicago 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 Chicago Department of Buildings.
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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Chicago Building Department
About Chicago Building Permits
Building permits ensure that construction work in Chicago 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 Chicago Department of Buildings before starting any project.
Source: Chicago Municipal Code Title 17 (Zoning Ordinance); Additional Dwelling Units Ordinance O2020-5816 as amended by O2022-1679. Last verified April 3, 2026. View source