Code Books

Massachusetts has adopted the following ICC (International Code Council) code books with Massachusetts amendments (see below)

• 2015 IRC (International Residential Code)
• 2015 IBC (International Building Code)
• 2015 IEBC (International Existing Building Code)
• 2018 IECC (International Energy Conservation Code)
• 2015 IMC (International Mechanical Code)
• 2015 ISPSC (International Swimming Pool and Spa Code)
• 2015 NFPA 1 (Fire Code) with MA Amendments (527 CMR - Massachusetts Board of Fire Prevention Regulations)

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The ICC code books are supplemented with 780 CMR (Code of Massachusetts Regulations) otherwise known as the Massachusetts Amendments to the ICC building codes:

Massachusetts Book Store - Massachusetts Amendmens to building and fire codes

• 780 CMR (9th Edition - Residential) Massachusetts Amendments
• 780 CMR (9th Edition - Commercial) Massachusetts Amendments (with Stretch Code)
• 521 CMR Architectural Access Code (mostly Commercial)
• 2015 NFPA 1 with MA Amendments (527 CMR - Massachusetts Board of Fire Prevention Regulations)
• 454 CMR 22.00 DeLeading and Lead-Safe Renovations Regulations