Building Permits in Boston
Find permit requirements, fees, and application steps for all common building projects in Boston, MA. Source-cited from official city building code.
Most home improvement projects in Boston 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 Boston Inspectional Services Department (ISD).
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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Boston Building Department
About Boston Building Permits
Building permits ensure that construction work in Boston 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 Boston Inspectional Services Department (ISD) before starting any project.
Source: Boston Zoning Code; Massachusetts General Laws Chapter 40A Section 3; Affordable Homes Act (Chapter 150, Acts of 2024). Last verified April 5, 2026. View source