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HB1159 • 2026
relative to updating the state building code.
This bill passed the Legislature and reached final enactment based on the latest official action.
Using official source text because the generated explanation was unavailable or could not be confirmed against the official bill text.
relative to updating the state building code.
Signed by Governor Ayotte 05/08/2026; Chapter 49; eff. 07/01/2026
Enrolled (in recess of) 04/23/2026
Enrolled Adopted, VV, (In recess 04/23/2026); SJ 11
House Concurs with Senate Amendment 2026-1058s (Rep. Layon): MA VV 04/09/2026 HJ 10 P. 8
Committee Amendment #2026-1058s , AA, VV; 03/12/2026; SJ 6
Ought to Pass with Amendment #2026-1058s , MA, VV; OT3rdg; 03/12/2026; SJ 6
Committee Report: Ought to Pass with Amendment #2026-1058s , 03/12/2026; Vote 4-0; CC; SC 9
Hearing: 03/04/2026, Room 103, SH, 09:30 am; SC 7
Introduced 02/05/2026 and Referred to Executive Departments and Administration; SJ 4
Ought to Pass : MA VV 02/12/2026 HJ 4 P. 4
Executive Session: 01/28/2026 10:00 am GP 231
Committee Report: Ought to Pass 01/28/2026 (Vote 12-0; CC) HC 6 P. 5
Public Hearing: 01/28/2026 10:00 am GP 231
Introduced 01/07/2026 and referred to Executive Departments and Administration HJ 1 P. 8
relative to updating the state building code.
CHAPTER 49 HB 1159 - FINAL VERSION 03/12/2026 1058s 2026 SESSION 26-2637 04/09 HOUSE BILL 1159 AN ACT relative to updating the state building code. SPONSORS: Rep. C. McGuire, Merr. 27; Rep. Erf, Hills. 28; Rep. H. Howard, Straf. 4; Sen. Pearl, Dist 17 COMMITTEE: Executive Departments and Administration ───────────────────────────────────────────────────────────────── ANALYSIS This bill updates the definition of the state building code. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Explanation: Matter added to current law appears in bold italics. Matter removed from current law appears [ in brackets and struckthrough. ] Matter which is either (a) all new or (b) repealed and reenacted appears in regular type. 03/12/2026 1058s 26-2637 04/09 STATE OF NEW HAMPSHIRE In the Year of Our Lord Two Thousand Twenty-Six AN ACT relative to updating the state building code. Be it Enacted by the Senate and House of Representatives in General Court convened: 49:1 State Building Code Definition. Amend RSA 155-A:1, IV to read as follows: IV. "New Hampshire building code" or "state building code" means the adoption by reference of the International Building Code [ 2021 ] 2024 , the International Existing Building Code [ 2021 ] 2024 , the International Plumbing Code [ 2021 ] 2024 , the International Mechanical Code [ 2021 ] 2024 , the International Energy Conservation Code 2018, the International Swimming Pool and Spa Code [ 2021 ] 2024 and the International Residential Code [ 2021 ] 2024 , as published by the International Code Council Inc., and the National Electrical Code 2023, as published by the National Fire Protection Association, Inc., as reviewed and recommended by the state building code review board, including all amendments reviewed and approved by the board as of [ April 11 ] October 10 , 2025, and ratified by the legislature in accordance with RSA 155-A:10 , and any errata issued by the model code organization, or amendments informed by such errata, as approved by the board . 49:2 Effective Date. This act shall take effect July 1, 2026. Approved: May 08, 2026 Effective Date: July 01, 2026