Massachusetts

Updated 3/15/2025

Overview

Massachusetts enforces building codes at the statewide level. The state has a comprehensive amendment document that modifies several model codes to align with local requirements. The electrical code follows the 2023 National Electrical Code (NEC) with state-specific amendments, and the state has a standalone Massachusetts Plumbing Code.

CodePro Uses the Following Codes for Answers:

Additional Resources:

For official building codes and amendments, click here for the state-specific website.

The Massachusetts Electrical Code follows the 2023 NEC with modifications, and further details can be found here.

For plumbing regulations, refer to the Massachusetts Plumbing Code.
  • Adoption Category

Statewide

  • Amendments

State

Statewide Adoption

A statewide adoption means that building codes are enforced uniformly across the entire state. The state government adopts and mandates compliance with specific building, residential, plumbing, and electrical codes. Local jurisdictions must follow these codes without making significant amendments, ensuring consistency in construction regulations across the state.

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