527 CMR 1.00 Massachusetts Comprehensive Fire Safety Code, based on NFPA 1 (2021 edition) with Massachusetts amendments, effective Dec 9, 2022. Enforced by Head of the local fire department or the State Fire Marshal (Department of Fire Services) and their designees, as AHJ; Board of Fire Prevention Regulations adopts. Verified on the primary source, re-checked weekly.
Statewide fire code adopted by the Board of Fire Prevention Regulations; Massachusetts amendment package effective May 12, 2023. Companion electrical code 527 CMR 12.00 adopted the 2026 NEC for permits granted after Apr 24, 2026.
Source: primary document
Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.
Draft 527 CMR 1.00, 2024 Edition in development: BFPR reviews the redline and comments Oct 1, 2026; no hearing notice or effective date posted
No federal fire code applies to a private building; OSHA's exit-route, fire-extinguisher and emergency-plan rules (29 CFR 1910 Subparts E and L) apply to every employer alongside the state fire code.
527 CMR 1.00 Massachusetts Comprehensive Fire Safety Code, based on NFPA 1 (2021 edition) with Massachusetts amendments, effective Dec 9, 2022. Statewide fire code adopted by the Board of Fire Prevention Regulations; Massachusetts amendment package effective May 12, 2023. Companion electrical code 527 CMR 12.00 adopted the 2026 NEC for permits granted after Apr 24, 2026.
Head of the local fire department or the State Fire Marshal (Department of Fire Services) and their designees, as AHJ; Board of Fire Prevention Regulations adopts.
Draft review Oct 1, 2026. Draft 527 CMR 1.00, 2024 Edition in development: BFPR reviews the redline and comments Oct 1, 2026; no hearing notice or effective date posted
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