New Hampshire 2026 Session Status: Enacted Bipartisan · 3 R · 1 D cosponsors

HB 1159 — relative to updating the state building code.

Last action — Signed by Governor Ayotte 05/08/2026; Chapter 49; eff. 07/01/2026

  1. ✓
    Introduced
  2. ✓
    In Committee
  3. ✓
    Passed House
  4. ✓
    Passed Senate
  5. ✓
    To Executive
  6. 6
    Enacted

This bill has been enacted into law. Introduced December 01, 2025. Enacted.

Signed by Governor Kelly Ayotte (Republican) on May 12, 2026.

Odds of enactment

High chance

Based on the sponsor, cosponsors, and committee posture, this bill has a high chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Likely to advance 74% · moderate confidence

  • Enacted

    Current position in the legislative process.

  • 4 sponsors

    1 primary, 3 co-sponsors signed on.

  • Bipartisan support

    Sponsored across 2 parties (3 R · 1 D) — cross-party backing.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

relative to updating the state building code.

Bill Text

What changed in the latest version

20 added · 17 removed

Plain-language change summary

The updated version of HB 1159 changes the reference dates for several building codes from 2021 to 2024, ensuring that New Hampshire's building regulations are in line with the most recent standards. This update is important because it allows for the adoption of newer safety and efficiency guidelines in construction practices. Additionally, a specific date for amendments to be ratified has been moved from April 11 to October 10, 2025, allowing for more time to review necessary changes. Overall, these adjustments aim to improve building safety and compliance with modern requirements.

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HB 1159 - VERSION ADOPTED BY BOTH BODIES 03/12/2026 1058s SESSION 26-2637 04/09 HOUSE BILL 1159 AN ACT relative to updating the state building code.
CHAPTER 49 HB 1159 - FINAL VERSION 03/12/2026 1058s SESSION 26-2637 04/09 HOUSE BILL 1159 AN ACT relative to updating the state building code.
HB 1159 - VERSION ADOPTED BY BOTH BODIES 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.
CHAPTER 49 HB 1159 - FINAL VERSION 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.
1 State Building Code Definition.
49:1 State Building Code Definition.
2 Effective Date.
49:2 Effective Date.
Approved:
May 08, 2026 Effective Date:
July 01, 2026
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Action History

  1. Signed by Governor Ayotte 05/08/2026; Chapter 49; eff. 07/01/2026

  2. Enrolled (in recess of) 04/23/2026

  3. Enrolled Adopted, VV, (In recess 04/23/2026); SJ 11

  4. House Concurs with Senate Amendment 2026-1058s (Rep. Layon): MA VV 04/09/2026 HJ 10 P. 8

  5. Ought to Pass with Amendment #2026-1058s, MA, VV; OT3rdg; 03/12/2026; SJ 6

  6. Committee Amendment # 2026-1058s, AA, VV; 03/12/2026; SJ 6

  7. Committee Report: Ought to Pass with Amendment # 2026-1058s, 03/12/2026; Vote 4-0; CC; SC 9

  8. Hearing: 03/04/2026, Room 103, SH, 09:30 am; SC 7

  9. Introduced 02/05/2026 and Referred to Executive Departments and Administration; SJ 4

  10. Ought to Pass: MA VV 02/12/2026 HJ 4 P. 4

  11. Committee Report: Ought to Pass 01/28/2026 (Vote 12-0; CC) HC 6 P. 5

  12. Executive Session: 01/28/2026 10:00 am GP 231

  13. Public Hearing: 01/28/2026 10:00 am GP 231

  14. Introduced 01/07/2026 and referred to Executive Departments and Administration HJ 1 P. 8

Sponsors

Sponsorship breakdown

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1 sponsors · 3 co-sponsors · 411 not signed on

Sponsors (1)

Co-sponsors (3)

Not signed on (411)

411 members have not signed on to this bill.

Show all 411 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

housing
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB 1159 do?
relative to updating the state building code.
Who sponsors HB 1159?
HB 1159 is sponsored by Howard Pearl (Republican), Heath Howard (Democrat), Keith Erf (Republican), and Carol McGuire (Republican).
What is the current status of HB 1159?
This bill has been enacted into law. Introduced December 01, 2025. Enacted.
Where can I track HB 1159?
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