PermitNotebook

Massachusetts permit requirements

Each county and city in Massachusetts runs its own permit office with its own thresholds, fees, and portals. Use the links below to find the office and requirements for your project.

Building code in Massachusetts

Massachusetts State Building Code (780 CMR), Residential volume. Based on the International Residential Code (IRC), with Massachusetts amendments.

Administered by Massachusetts Board of Building Regulations and Standards (BBRS). Official source

Applies statewide and is enforced by local building departments.

Most local permit thresholds derive from this code. See our sources and standards.

Built without a permit in Massachusetts? Penalties and how to fix it

Counties and cities

Compare a permit across Massachusetts