| CBES — | 2024 | 30 V.S.A. 53 (commercial energy, statewide) · source ↗ |
| IBC — International Building Code | 2021 IBC | 2025 Vermont Fire and Building Safety Code (CVR 28-070-001), Vt. Dept. of Public Safety, Division of Fire Safety, Section 2 (Codes Adopted by Reference); rule log 25P022. Authority as printed in the adopted rule: "These rules are adopted under 20 V.S.A. Chapter 173, Subchapter 2 'Division of Fire Safety', Subchapter 3 'Fire Hazards and Dangerous Substances', Subchapter 5 'Boilers and Pressure Vessels' and Chapter 177 'Explosives and Fireworks.'" · source ↗ |
| IECC — International Energy Conservation Code | NOT A DIRECT IECC ADOPTION. Vermont adopts NO edition of the International Energy Conservation Code by reference. Its statewide energy codes are two Vermont-authored standalone documents: the Vermont Residential Building Energy Standards (RBES, 30 V.S.A. s 51) and the Vermont Commercial Building Energy Standards (CBES, 30 V.S.A. s 53). *** VERMONT CURRENTLY HAS TWO CONCURRENTLY VALID ENERGY CODES: the rule adopted 2026-04-10 and effective 2026-07-14 permits compliance with EITHER the 2020 OR the 2024 edition of each. Verbatim from the Dept. of Public Service: "The new rule allows for compliance with either the 2020 or 2024 RBES" (and likewise CBES). Model-code lineage, verbatim from the adopted RBES rule filing: the 2024 RBES incorporates language from "the 2015 edition of the IECC and includes efficiency improvements included in the 2018 and 2021 IECC"; the 2020 RBES is based on "the 2018 and 2015 International Energy Conservation Code". The 2024 CBES is, verbatim from the CBES amendments document, a "standalone document for the State of Vermont based upon amendments to the International Energy Conservation Code 2018 Supplement", incorporating 2021 IECC elements, with ANSI/ASHRAE/IES 90.1-2019 as an alternative compliance path. RECORDING "2021 IECC" OR "2024 IECC" FOR VERMONT WOULD BE WRONG ON BOTH THE FAMILY AND THE VINTAGE. | 30 V.S.A. s 51 (RBES) and 30 V.S.A. s 53 (CBES); Vermont Residential Building Energy Standards Amendments, Vt. Dept. of Public Service rule 25P047, adopted 2026-04-10, eff. 2026-07-14; Vermont Commercial Building Energy Standards Amendments, adopted 2026-04-10, eff. 2026-07-14 · source ↗ |
| IFC — | NOT ADOPTED — VERMONT ADOPTS NO EDITION OF THE INTERNATIONAL FIRE CODE. Its statewide fire code is NFPA 1 (2021 edition), run together with NFPA 101 Life Safety Code (2021 edition). CONFIRMED FIRST-HAND 2026-09-23 BY READING THE ADOPTED RULE: the strings "International Fire Code" and "IFC" appear NOWHERE in the 2025 Vermont Fire and Building Safety Code. Recording any IFC edition for Vermont would be a WRONG CODE FAMILY answer, not merely a stale one. | 2025 Vermont Fire and Building Safety Code (CVR 28-070-001), Vt. Dept. of Public Safety, Division of Fire Safety, rule 25P022, SECTION 2 "Codes Adopted by Reference" — THE IFC IS NOT AMONG THEM. ADOPTING SENTENCE, QUOTED VERBATIM FROM THE ADOPTED RULE: "The following nationally recognized safety standards, as amended herein, are adopted to make rules regarding the safeguarding of people and property in case of fire, explosion, hazardous materials, dangerous structural conditions, and the generation of carbon monoxide." THE LIST THAT FOLLOWS, QUOTED VERBATIM AS MY FETCH RETURNED IT: "LIFE SAFETY CODE – NFPA 101 – 2021 / FIRE CODE – NFPA 1 – 2021 / INTERNATIONAL BUILDING CODE – IBC – 2021 / INTERNATIONAL EXISTING BUILDING CODE – IEBC – 2021". SCOPE, QUOTED VERBATIM: "The provisions of this code shall apply to the construction, alteration, relocation, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of every public building or structure..." and "These rules apply to 'public buildings' as defined by 20 V.S.A Chapter 173." EFFECTIVE DATE AS PRINTED ON THE RULE: 11/04/2025. AUTHORITY: 20 V.S.A. ss 2677, 2731, 2757, 2882, 2901. · source ↗ |
| IMC — International Mechanical Code | NONE - VERMONT ADOPTS NO EDITION OF THE INTERNATIONAL MECHANICAL CODE, AND HAS NO STATEWIDE MECHANICAL CODE OF ANY FAMILY. Section 2 of the 2025 Vermont Fire and Building Safety Code lists, verbatim and in full, the codes adopted by reference: "LIFE SAFETY CODE - NFPA 101 - 2021", "FIRE CODE - NFPA 1 - 2021", "INTERNATIONAL BUILDING CODE - IBC - 2021", "INTERNATIONAL EXISTING BUILDING CODE - IEBC - 2021", "NATIONAL BOARD INSPECTION CODE - NBIC". The IMC is absent from that list; the strings "International Mechanical Code", "IMC" and "mechanical" appear nowhere in the rule, confirmed on two separate verbatim passes of the filed rule text. The Division of Fire Safety's own published list of codes in effect likewise names no mechanical code. VERMONT'S MECHANICAL AND FUEL-GAS LAYER IS NFPA-BASED, NOT ICC-BASED, and it arrives through NFPA 1 and NFPA 101 rather than through a standalone mechanical code. Vermont's only NAMED mechanical-equipment requirements sit in the Commercial Building Energy Standards (30 V.S.A. s 53), which is an energy standard, not a mechanical code. Recording any IMC edition for Vermont would be a WRONG CODE FAMILY answer, not merely a stale one. | 2025 Vermont Fire and Building Safety Code (CVR 28-070-001), Vt. Dept. of Public Safety, Division of Fire Safety, rule 25P022, Section 2 (codes adopted by reference - IMC not among them); authority 20 V.S.A. ch. 173 subch. 2, 3 and 5 and ch. 185; scope limited to "public buildings" per 20 V.S.A. ch. 173 (Section 1(d)). No Vermont statute or rule adopts the International Mechanical Code; mechanical and fuel-gas requirements run through NFPA 1/NFPA 101 and the NFPA 31/54/58/211 set per Vermont Plumbing Rules s 21(A) (26 V.S.A. s 2173). · source ↗ |
| IPC — International Plumbing Code | 2024 IPC | 2025 Vermont Plumbing Rules, Version 2, Section 21 ("ADOPTION OF A NATIONALLY RECOGNIZED CODE: THE 2024 INTERNATIONAL PLUMBING CODE"), Vermont Plumbers' Examining Board, Division of Fire Safety, Vt. Dept. of Public Safety; adopted under 26 V.S.A. s 2173. Adopting sentence verbatim: "Under 26 V.S.A. Section 2173, the Board adopts the provisions of the 2024 International Plumbing Code (hereinafter referred to as 2024 IPC)." Effective 2025-11-04, the same date as the 2025 Vermont Fire and Building Safety Code (rule 25P022). · source ↗ |
| IRC — International Residential Code | NONE — VERMONT ADOPTS NO EDITION OF THE INTERNATIONAL RESIDENTIAL CODE, AND HAS NO STATEWIDE BUILDING CODE FOR OWNER-OCCUPIED HOMES AT ALL. The 2025 Vermont Fire and Building Safety Code adopts NFPA 101 (2021), NFPA 1 (2021), the IBC (2021), the IEBC (2021) and the NBIC — the IRC is absent from that list and from the Division of Fire Safety's published list of codes in effect. The code reaches only "public buildings" as defined by 20 V.S.A. ch. 173, and the rule states in terms that "most owner-occupied single-family residences are exempt from the definition of public buildings and are thus not included in the scope of this code." A Vermont owner-occupied house is governed by no state building code — only by the statewide Residential Building Energy Standards (30 V.S.A. § 51), the Vermont Electrical Safety Rules and the Vermont Plumbing Rules, each a separate instrument. NOTE THE INVERSION THAT CATCHES PEOPLE OUT: a RENTED dwelling, an apartment building and a single-family house with a rented accessory dwelling unit ARE public buildings, so they fall under NFPA 101 and the 2021 IBC — in Vermont the residential/commercial line is drawn by OCCUPANCY AND TENURE, not by building size. | 2025 Vermont Fire and Building Safety Code (CVR 28-070-001), Vt. Dept. of Public Safety, Division of Fire Safety, rule 25P022; authority 20 V.S.A. §§ 2677, 2731, 2757, 2882, 2901; scope limited to "public buildings" as defined by 20 V.S.A. § 2730 (owner-occupied single-family residences excluded). No Vermont instrument adopts the International Residential Code. · source ↗ |
| NEC — National Electrical Code (NFPA 70) | 2023 NEC (NFPA 70, 2023 edition), as amended by the 2025 Vermont Electrical Safety Rules | 2025 Vermont Electrical Safety Rules, Vt. Dept. of Public Safety, Division of Fire Safety. ADOPTION BY REFERENCE, QUOTED VERBATIM FROM THE RULES: "NFPA 70, National Electrical Code, (2023 edition) To meet the needs and concerns of Vermonters, and Electricians." AUTHORITY, QUOTED VERBATIM: "adopted by the Commissioner of Public Safety and the Electricians' Licensing Board pursuant to 26 V.S.A. Chapter 15". EFFECTIVE DATE AS PRINTED: "November 5th, 2025". *** NOTE THE ONE-DAY OFFSET: the 2025 Vermont Fire and Building Safety Code took effect 2025-11-04, these rules 2025-11-05. Two instruments, two agencies-of-record, consecutive days. · source ↗ |
| RBES — | 2024 | 30 V.S.A. 51 (residential energy, statewide) · source ↗ |