Who enforces each one, what edition applies, and what changes next. 5 of 8 state-level topic areas checked against primary sources. OSHA state plan for public employers only; private employers under federal OSHA.
| Area | In force | Authority | Next |
|---|---|---|---|
| Fire | NFPA 101 Life Safety Code (2018 ed.) via fire marshal rule 16-219 CMR ch. 20 + NFPA 1 Fire Code (2018 ed.) via ch. 3, as listed on the State Fire Marshal rules page (listing only; adopted rule text not read)Rules page listing: Chapter 20 (amended Jan 25, 2021) adopts NFPA 101 (2018), NFPA 80 (2019), 220, 221, 241; Chapter 3 (amended Nov 27, 2019) adopts NFPA 1 (2018). 25 MRSA 2452 (read) has the Commissioner of Public Safety adopt rules on safety to life from fire; violation of a rule is a Class E crime. SourceReported, in verification | Office of State Fire Marshal, Dept. of Public Safety; Commissioner of Public Safety adopts the rules (25 MRSA sec.2452) | In forceIn force; State Fire Marshal rules page (re-read Oct 27, 2026) lists Ch. 20 amended Jan 25, 2021 (NFPA 101-2018) and Ch. 3 amended Nov 27, 2019 (NFPA 1-2018), and names no chapter under revision; adopted rule text could not be confirmed on the primary page |
| Building | MUBEC: 2021 IBC, IEBC, IRC, IECC and IMC with ASHRAE 62.1, 62.2 and 90.1 (2019), per the MUBEC Standards and Amendments document, effective beginning April 7, 202510 MRSA 9724 (read): municipalities with more than 4,000 residents must enforce MUBEC; smaller towns need not, and may not adopt or enforce another building code. Conflicting local ordinances are void, with exceptions. The MUBEC Standards document also lists ASTM E1465-2008 radon control for new low-rise residential buildings. Municipal code offices handle permits and inspections. SourceChecked on the source | Municipal building officials enforce MUBEC (mandatory at 4,000+ population); Technical Building Codes and Standards Board / Office of Community Affairs sets the code statewide | In forceIn force (Building Codes page read Oct 27, 2026: amended MUBEC adoption enforced as of April 7, 2025; 2021 IRC, IBC, IEBC, IECC, IMC; no 2026 amendment listed; the codes division moved to the Maine Office of Community Affairs) |
| Elevators | Rule 02-041 ch. 511 (national codes); editions in force reported as ASME A17.1-2013, A17.3-2011 and A18.1-2014; repeal-and-replace proposed (A17.1-2022, A17.3-2023, A18.1-2023), effective date pending32 MRSA 15221 (read): annual inspection; certificate posted in the elevator; an inspector may suspend a certificate for a safety menace. Program page (read Oct 20, 2026): ch. 511 repeal-and-replace first advertised Dec 3, 2025; revised proposal puts elevators installed before Jan 1, 2003 under A17.3-2023, with five years to comply after the pending effective date. SourceReported, in verification | Director, Office of Professional and Occupational Regulation (Dept. of Professional and Financial Regulation), Elevator and Tramway Safety Program | Rulemaking pendingWatch: program page (read Oct 26, 2026) still describes the ch. 511 repeal-and-replace as proposed; revised-proposal comments closed May 8, 2026; no effective date stated |
| Boilers | Boiler/pressure-vessel certificate program under 32 MRSA c.131; certificates valid up to 14 months (boilers) or 38 months (pressure vessels)32 MRSA 15117 (read): inspection certificates may be valid up to 14 months for a boiler and up to 38 months for a pressure vessel, measured from inspection. The chief inspector issues certificates; the chief inspector, a deputy inspector or an authorized inspector performs inspections and may suspend a certificate for unsafe units. SourceChecked on the source | Director and chief inspector under 32 MRSA c.131; deputy and authorized (insurer) inspectors perform inspections; statewide | In force |
| Pools | Public pools/spas licensed under 22 MRSA c.562 (DHHS); compliance inspection at least every 2 years22 MRSA 2497 (read): the department must determine compliance with chapter 562 and its rules at least once every two years, by inspection or another method it chooses. It may enter licensed premises at reasonable times without an administrative inspection warrant. Licensing steps and fees are in other sections. SourceChecked on the source | Dept. of Health and Human Services (Maine CDC health-inspection program), statewide | In force |
| Lodging | Lodging places licensed by DHHS (22 MRSA c.562, 2-year inspection cycle); hotels/high-rises need sprinklers (built after 1992) or detection systems (existing, since 1981) under 25 MRSA sec.246325 MRSA 2463 (read): hotels (more than 15 sleeping rooms) built after Jan 1, 1992 with 2+ stories need a sprinkler system; other 2+ story hotels need a detection system (stated deadline Jul 1, 1981). The Commissioner of Public Safety or designee inspects and approves, or the municipal fire department where one exists. DHHS 2-year compliance check: 22 MRSA 2497. SourceChecked on the source | Dept. of Health and Human Services (licensing/inspection), statewide; Office of State Fire Marshal for sprinkler/detection compliance | In force |
| Workplace | Federal OSHA covers private employers; Maine State Plan covers only state/local government employeesOSHA page (read): the Maine State Plan covers state and local government workers (initial approval Aug 5, 2015; certification Mar 21, 2023). It does not cover federal workers or private-sector employers, which remain under federal OSHA. SourceChecked on the source | Federal OSHA (private sector); Maine Dept. of Labor / Maine State Plan (public-sector employees only) | In force |
| Environmental | Maine layer: asbestos abatement over 3 linear or 3 square ft needs written notice to DEP, postmarked 10 calendar days or delivered 5 working days before on-site work (38 MRSA 1273). Building demolition: DEP notice at least 5 working days before (not single-family homes), even if no asbestos found; licensed asbestos consultant inspection for most non-residential buildings (DEP demolition page). Underground oil tanks: registered at least 10 business days and no more than 2 years before installation; $100 per tank, billed every 3 years; annual inspection results to DEP by July 1; amended registration immediately upon a change, late period up to 10 business days if set by rule (38 MRSA 563). Reported, not re-read: wastewater overflow reporting within 24 hours (Chapter 523). Federal EPA rules also apply38 MRSA 1273 does not mention demolition or consultant inspection. DEP air pages not read: generator and boiler licensing/exemptions (Chapter 115, 169) are unconfirmed; a search shows emergency generators under 1,000 bhp treated under Chapter 169 in facility licenses. Statewide grease, lift-station and backflow rules not located; local utilities and plumbing code may apply. SourceReported, in verification | Maine Department of Environmental Protection (asbestos, USTs, air licensing, wastewater licenses); U.S. EPA; local sewer districts and municipalities for grease, lift-station and backflow | Deadline Mar 1, 2027Federal dates: Tier II filing Mar 1, 2027; HFC leak detection Jan 1, 2027. Annual UST inspection results due to DEP by Jul 1. Generator/boiler air licensing: confirm with DEP Air Licensing |
What our record said before and after each change, with the date and the official source. A change to the record is not by itself a change in the law: an edition, a date or a source may have been corrected or made more precise. Confirm the current text with the authority.
NFPA 101 Life Safety Code (2018 ed.) via fire marshal rule 16-219 CMR ch. 20 + NFPA 1 Fire Code (2018 ed.) via ch. 3, as listed on the State Fire Marshal rules page (listing only; adopted rule text not read). Rules page listing: Chapter 20 (amended Jan 25, 2021) adopts NFPA 101 (2018), NFPA 80 (2019), 220, 221, 241; Chapter 3 (amended Nov 27, 2019) adopts NFPA 1 (2018). 25 MRSA 2452 (read) has the Commissioner of Public Safety adopt rules on safety to life from fire; violation of a rule is a Class E crime. Enforced by: Office of State Fire Marshal, Dept. of Public Safety; Commissioner of Public Safety adopts the rules (25 MRSA sec.2452).
MUBEC: 2021 IBC, IEBC, IRC, IECC and IMC with ASHRAE 62.1, 62.2 and 90.1 (2019), per the MUBEC Standards and Amendments document, effective beginning April 7, 2025. 10 MRSA 9724 (read): municipalities with more than 4,000 residents must enforce MUBEC; smaller towns need not, and may not adopt or enforce another building code. Conflicting local ordinances are void, with exceptions. The MUBEC Standards document also lists ASTM E1465-2008 radon control for new low-rise residential buildings. Municipal code offices handle permits and inspections. Enforced by: Municipal building officials enforce MUBEC (mandatory at 4,000+ population); Technical Building Codes and Standards Board / Office of Community Affairs sets the code statewide.
Elevators: Director, Office of Professional and Occupational Regulation (Dept. of Professional and Financial Regulation), Elevator and Tramway Safety Program (Rule 02-041 ch. 511 (national codes); editions in force reported as ASME A17.1-2013, A17.3-2011 and A18.1-2014; repeal-and-replace proposed (A17.1-2022, A17.3-2023, A18.1-2023), effective date pending). Boilers: Director and chief inspector under 32 MRSA c.131; deputy and authorized (insurer) inspectors perform inspections; statewide (Boiler/pressure-vessel certificate program under 32 MRSA c.131; certificates valid up to 14 months (boilers) or 38 months (pressure vessels)).
Maine runs an OSHA-approved state plan that covers state and local government employers only (Maine State Plan (public-sector employees only)). Private employers, including hotels and commercial buildings, answer to federal OSHA.
Elevators: Rulemaking pending (Watch: program page (read Oct 26, 2026) still describes the ch. 511 repeal-and-replace as proposed; revised-proposal comments closed May 8, 2026; no effective d); Environmental: Deadline Mar 1, 2027 (Federal dates: Tier II filing Mar 1, 2027; HFC leak detection Jan 1, 2027. Annual UST inspection results due to DEP by Jul 1. Generator/boiler air licensing: co); 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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