Who enforces each one, what edition applies, and what changes next. 8 of 8 state-level topic areas checked against primary sources. Federal OSHA state.
| Area | In force | Authority | Next |
|---|---|---|---|
| Fire | NFPA 101 (Life Safety Code) 2024 edition and NFPA 1 (Uniform Fire Code) 2024 edition, as amended by the State Board of Fire Control and ratified under RSA 153:5 (RSA 153:1, VI-a, as amended by 2026 ch. 104, eff. July 27, 2026)RSA 153:1, VI-a, re-read Oct 19, 2026, names the 2024 editions (history ends 2026, 104:1, eff. July 27, 2026). The Fire Marshal's codes page, re-read Oct 19, 2026, still lists the 2021 editions effective Aug 13, 2024. Board amendments (Saf-FMO 300) to the 2024 editions not read. Confirm with the local fire chief. SourceChecked on the source | State Fire Marshal supervises and enforces statewide (RSA 153:4-a); local fire chiefs enforce the state fire code (RSA 155-A:7) | In forceIn force since July 27, 2026 (2024 editions); Saf-FMO 300 amendments to the 2024 editions not yet read |
| Building | NH State Building Code: 2024 IBC/IEBC/IPC/IMC/IRC/ISPSC + 2023 NEC + 2018 IECC (RSA 155-A:1,IV)RSA 155-A:1,IV names 2024 IBC/IEBC/IPC/IMC/IRC/ISPSC, 2023 NEC, 2018 IECC, with board amendments approved as of October 10, 2025, subject to ratification. History lists 2025 and 2026 amendments effective July 1, 2026. CONFLICT: the Fire Marshal's codes page still lists 2021 I-codes and 2020 NEC. RSA 155-A:7,VI (eff. July 1, 2027) adds statewide alternative-method approvals. SourceChecked on the source | Municipal local enforcement agency is primary; the state fire marshal enforces only where a town has no local agency or third-party contract and asks in writing (RSA 155-A:7) | In forceIn force (2024 editions) |
| Elevators | Latest American Standard Safety Code (ASME A17.1 series) for units installed after Jan. 1, 1998 (RSA 157-B:3); ASME A17.3-1986 (listed parts) for pre-1968 elevators (Lab 1302.02, read Oct 18, 2026; Lab 1300 doc #14313 eff. July 11, 2025)Certificate issues after a passing inspection and a $75 fee; posted in the car or on the platform under a transparent cover; valid one year from inspection. Operating without one is a misdemeanor for a natural person or a felony for any other owner (RSA 157-B:5, amended eff. July 1, 2025). Civil penalties up to $500 (RSA 157-B:13-a). SourceChecked on the source | NH Dept. of Labor, Labor Commissioner (RSA 157-B) | In force |
| Boilers | ASME Boiler and Pressure Vessel Code + National Board Inspection Code, adopted through commissioner rules, aligned with the state building code (RSA 157-A:3); edition not named in statuteCertificate inspections: power boilers annually plus an external inspection; low-pressure steam/vapor heating boilers every two years with internal inspection at least every four; hot water heating/supply boilers, cast-iron boilers and corrosion-prone pressure vessels every two years; two-month grace period (RSA 157-A:8). SourceChecked on the source | NH Dept. of Labor, Labor Commissioner (RSA 157-A) | In force |
| Pools | Public bathing facility law (RSA 485-A:26) + NHDES rules Env-Wq 1100NHDES approves design before a public pool is built or operated; review fee $100 for 400 sq ft plus $25 per added 100 sq ft. Facilities register for the facility's life; changes reported within 10 days, closure within 30. Env-Wq 1100 (eff. May 1, 2021) requires annual self-certification and a certified pool operator. SourceChecked on the source | NH Dept. of Environmental Services, Public Pools and Spas Program (RSA 485-A) | In forceIn force; RSA 485-A:26 re-read Oct 22, 2026 (last amended 2025, 245:3, eff. July 31, 2026): design review fee and registration terms unchanged |
| Lodging | No state hotel safety or operating license; hotel/dormitory chapters of the state fire code apply (edition per Fire); operators hold a meals and rentals tax license (RSA 78-A:4)RSA 353 sets no license. Operators keep a register of guests' legal names open to police inspection (353:3) and record each guest's agreed departure date and time (353:3-b, amended eff. June 19, 2025); 353:3-a and 353:5 were repealed in 2025. Rooms holding 100+ people need a local place-of-assembly license (RSA 155:18, not re-read). SourceChecked on the source | State Fire Marshal and local fire chiefs (life safety); NH Dept. of Revenue Administration (meals and rentals license); local fire chief or selectmen (place-of-assembly license) | In force |
| Workplace | Federal OSHA (no NH State Plan)OSHA's State Plans page states New Hampshire is not an OSHA-approved State Plan, so federal OSHA covers private-sector employers. Coverage of state and local government employees should be confirmed with the NH Department of Labor or federal OSHA. SourceChecked on the source | Federal OSHA (US Dept. of Labor) | In force |
| Environmental | NHDES layer: UST rules (RSA 146-C, Env-Or 400); AST rules for a single tank over 660 gal or aggregate over 1,320 gal (Env-Or 300); air permits for boilers and emergency engines (Env-A 600); asbestos notices (Env-A 1800); plus federal SPCC, Tier II, HFC and RICE rulesASTs above the thresholds need monthly inspections and annual testing reported to NHDES; on-premise heating-oil tanks of 1,320 gal or less are exempt. Emergency-engine general state permit: 500 hours per 12 months; the 2020 permit shows expiration June 30, 2025, reissue not confirmed. NHDES must receive asbestos notice 10 working days before major abatement. No statewide overflow-notice time limit located. SourceChecked on the source | NH Dept. of Environmental Services (state); U.S. EPA (federal); local sewer utilities (pretreatment, grease) | In forceNHDES fuel storage tanks page (read Oct 27, 2026) lists no rule change after the Oct 13, 2021 UST deadlines. Federal: HFC leak-repair rule in force since Jan 1, 2026; next Tier II filing March 1, 2027; automatic leak detection for existing 1,500 lb+ commercial refrigeration by Jan 1, 2027 |
NFPA 101 (Life Safety Code) 2024 edition and NFPA 1 (Uniform Fire Code) 2024 edition, as amended by the State Board of Fire Control and ratified under RSA 153:5 (RSA 153:1, VI-a, as amended by 2026 ch. 104, eff. July 27, 2026). RSA 153:1, VI-a, re-read Oct 19, 2026, names the 2024 editions (history ends 2026, 104:1, eff. July 27, 2026). The Fire Marshal's codes page, re-read Oct 19, 2026, still lists the 2021 editions effective Aug 13, 2024. Board amendments (Saf-FMO 300) to the 2024 editions not read. Confirm with the local fire chief. Enforced by: State Fire Marshal supervises and enforces statewide (RSA 153:4-a); local fire chiefs enforce the state fire code (RSA 155-A:7).
NH State Building Code: 2024 IBC/IEBC/IPC/IMC/IRC/ISPSC + 2023 NEC + 2018 IECC (RSA 155-A:1,IV). RSA 155-A:1,IV names 2024 IBC/IEBC/IPC/IMC/IRC/ISPSC, 2023 NEC, 2018 IECC, with board amendments approved as of October 10, 2025, subject to ratification. History lists 2025 and 2026 amendments effective July 1, 2026. CONFLICT: the Fire Marshal's codes page still lists 2021 I-codes and 2020 NEC. RSA 155-A:7,VI (eff. July 1, 2027) adds statewide alternative-method approvals. Enforced by: Municipal local enforcement agency is primary; the state fire marshal enforces only where a town has no local agency or third-party contract and asks in writing (RSA 155-A:7).
Elevators: NH Dept. of Labor, Labor Commissioner (RSA 157-B) (Latest American Standard Safety Code (ASME A17.1 series) for units installed after Jan. 1, 1998 (RSA 157-B:3); ASME A17.3-1986 (listed parts) for pre-1968 elevators (Lab 1302.02, read Oct 18, 2026; Lab 1300 doc #14313 eff. July 11, 2025)). Boilers: NH Dept. of Labor, Labor Commissioner (RSA 157-A) (ASME Boiler and Pressure Vessel Code + National Board Inspection Code, adopted through commissioner rules, aligned with the state building code (RSA 157-A:3); edition not named in statute).
New Hampshire is a federal-OSHA state: the U.S. Department of Labor's OSHA enforces workplace safety rules directly.
Jan 1, 2027: Automatic leak detection on existing 1,500 lb+ HFC commercial refrigeration; Mar 1, 2027: EPCRA Tier II chemical inventory filing.
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