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What building permit do I need?

Find out what kind of permits you need for your next project in Boston, and how to get them.

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The Inspectional Services permit process is based on whether you're making changes to a structure or to a building’s occupancy. Permitting for minor changes can be done online or in person. Major changes usually can only be started online, and you need to complete them in person.

Learn More

Submitting plans online

We now accept electronic building plans for long-form permit applications.

Electronic Plan Guidelines

Building Permits

There are a number of different building permits available for your projects. We've created guides to help you through the permitting process.

How to Get a Short-Form Permit

You need a short-form permit for making minor changes to a building
How to Get a Long-Form Permit

Long-form permits are for now construction or for making updates to a building
How to Get a Record of Legal Occupancy

You need this certificate to get a permit to do work on a building
Additional Dwelling Unit Toolkit

This program offers more housing option while creating rental income
Approved After Hours Permits

View permits approved for after-hours work.
Learn About the Permitting Process

Permits include building, electrical, plumbing, and gas.
Board of Examiners

The Board is responsible for issuing Boston Builders Licenses
Short-Form Permit Tutorial

How to apply for a short form permit: a step-by-step video tutorial

Projects

Permits for major changes
Permits for MINOR changes

New South Boston zoning regulation

The City added a new zoning amendment, Article 27S - South Boston Interim Planning Overlay District. Because of this amendment, all South Boston permit applications require more steps before we can approve them.

Regulations

You need a long form application for work greater than 1,000 square feet. Your application will also before the Zoning Board of Appeal. For work less than 1000 square feet, we need a notarized statement from the owner or contractor stating the exact square footage. Learn more about Article 27S.

Additional Forms and Documents

Forms and Documents
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