Starting January 1, 2018 the 9th Edition of the Massachusetts State Building Code (MSBC)
comprised of the 2015 ICC (International Code Council) Adopted Codes with 
Massachusetts Amendments 780 CMR are in full force and effect.
Permits issued prior to 1/2/2018 under the 8th Edition/2009 ICC codes
will complete in that code cycle.
Residential Codes
9th Edition Massachusetts Amendments to the IRC (International Residential Code): 780 CMR 51.00
2015 IRC  International Residential Code - Detached one and two family dwellings (townhouses 3 stories or less)
Commercial Codes
9th Edition Massachusetts Amendments to the IBC (International Building Code): 780 CMR
2015 IBC:  International Building Code – Commercial Base Code
2015 IEBC:  International Existing Building Code – Existing Commercial Buildings
Architectural Access Board: 521 CMR  - Accessibility Codes
Energy Codes
2015 IECC International Energy Conservation Code – Commercial and Residential
Mechanical Codes - Mechanical systems, ventilation, exhaust systems & duct systems
Sheet Metal Code - Board of Examiners of Sheet Metal Workers: 271 CMR
2015 IMC: International Mechanical Code – Commercial and Residential
Swimming Pool & Spa Codes
2015 ISPSC: International Swimming Pool & Spa Code
Electrical, Fire, Plumbing and Gas Codes
Electrical Code: 2014 National Electric Code (NFPA 70) with Mass Amendments 527 CMR 12
Fire Prevention Code: 2012 NFPA 1 with Mass Amendments 527 CMR 1
2015 IFC: Portions of the International Fire Code as referenced in the IBC
Pluming and Gas Code: 248 CMR 10 - Board of State Examiners of Plumbers and Gas Fitters
Commonwealth of Massachusetts Regulations CMR Index
International Code Council Public Access
National Fire Prevention Association (NFPA)
City of Newburyport Code of Ordinances