# New Hampshire HB1079: allowing accessory dwelling units to be built within or attached to certain non-conforming structures.

New Hampshire HB1079, allowing accessory dwelling units to be built within or attached to certain non-conforming structures., is a 2025-2026 Regular Session House bill sponsored by Allan Howland (Democratic); status signed, last action 2026-07-09 (Signed by Governor Ayotte 07/02/2026; Chapter 210; eff. 8/31/2026); PRIA reads it as touching household money (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/NH-HB1079-2025-2026
- As of: 2026-10-17
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: New Hampshire HB1079
- State: New Hampshire
- Session: 2025-2026 Regular Session
- Title: allowing accessory dwelling units to be built within or attached to certain non-conforming structures.
- Status: signed
- Chamber: House
- Introduced: 2025-12-01
- Last action: 2026-07-09, Signed by Governor Ayotte 07/02/2026; Chapter 210; eff. 8/31/2026
- Sponsor: Allan Howland (Democratic)
- Cosponsors: 2
- Touches household money: yes
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Allan Howland (Democratic), House
- Cosponsor: David John Preece (Democratic), House
- Cosponsor: David Paige (Democratic), House

## Actions (17)

- 2026-07-09: Signed by Governor Ayotte 07/02/2026; Chapter 210; eff. 8/31/2026 (House)
- 2026-06-23: Enrolled (in recess of) 06/04/2026 HJ 15 P. 52 (House)
- 2026-06-23: Enrolled Adopted, VV, (In recess 06/04/2026); SJ 14 (Senate)
- 2026-05-21: House Concurs with Senate Amendment 2026-1710s (Rep. Alexander Jr.): MA DV 269-73 05/21/2026 HJ 14 P. 12 (House)
- 2026-05-05: Ought to Pass with Amendment # 2026-1710s, MA, VV; OT3rdg; 05/07/2026; SJ 11 (Senate)
- 2026-05-05: Committee Amendment # 2026-1710s, AA, VV; 05/07/2026; SJ 11 (Senate)
- 2026-04-30: Committee Report: Ought to Pass with Amendment # 2026-1710s, 05/07/2026; Vote 4-1; CC; SC 17 (Senate)
- 2026-04-16: Hearing: 04/21/2026, Room 100, SH, 10:00 am; SC 15 (Senate)
- 2026-03-17: Introduced 03/12/2026 and Referred to Commerce; SJ 7 (Senate)
- 2026-03-11: Ought to Pass with Amendment 2026-0823h: MA VV 03/11/2026 HJ 7 P. 47 (House)
- 2026-03-11: Amendment # 2026-0823h: AA VV 03/11/2026 HJ 7 P. 47 (House)
- 2026-03-04: Committee Report: Ought to Pass with Amendment # 2026-0823h 03/03/2026 (Vote 17-0; CC) HC 10 P. 23 (House)
- 2026-02-17: Subcommittee Work Session: 03/03/2026 09:45 am GP 231 (House)
- 2026-02-17: Executive Session: 03/03/2026 10:00 am GP 231 (House)
- 2026-02-11: Subcommittee Work Session: 02/17/2026 02:30 pm GP 231 (House)
- 2026-01-14: Public Hearing: 01/22/2026 02:00 pm GP 231 (House)
- 2025-12-01: Introduced 01/07/2026 and referred to Housing HJ 1 P. 5 (House)

## Bill text

- Enrolled, 2026-06-23: [HTML](https://gc.nh.gov/bill_status/billinfo.aspx?id=1800&inflession=2025)
- Introduced, 2025-12-01: [PDF](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=22723)
- CHAPTERED FINAL VERSION: [PDF](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=34043)
- Version adopted by both bodies: [PDF](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=33085)

## Related bills

- HB2026: (New Title) relative to the state 10-year transportation improvement plan; relative to toll rate adjustments and periodic toll reviews for the New Hampshire tu… (became law)
- HB1002: repealing the solar energy systems tax exemption. (failed)
- HB1834: relative to the education freedom account enrollment cap. (failed)
- SB101: (Second New Title) authorizing parents to enroll their children in any public school in the state. (failed)
- CACR22: relating to the compensation of the legislature. Providing that the present compensation per elected term for legislators is hereby abolished. (failed)
- HB1786: relative to creating a state assessment on non-homestead luxury second homes to fund statewide housing development programs and address housing shortages and m… (failed)

## Sources
- [Enrolled (HTML)](https://gc.nh.gov/bill_status/billinfo.aspx?id=1800&inflession=2025)
- [Introduced (PDF)](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=22723)
- [CHAPTERED FINAL VERSION (PDF)](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=34043)
- [Version adopted by both bodies (PDF)](https://gc.nh.gov/bill_status/pdf.aspx?q=billVersion&id=33085)

## Related
- [HB2026: (New Title) relative to the state 10-year transportation improvement plan; rela…](https://policyrisk.com/state-bill/NH-HB2026-2025-2026)
- [HB1002: repealing the solar energy systems tax exemption.](https://policyrisk.com/state-bill/NH-HB1002-2025-2026)
- [HB1834: relative to the education freedom account enrollment cap.](https://policyrisk.com/state-bill/NH-HB1834-2025-2026)
- [SB101: (Second New Title) authorizing parents to enroll their children in any public s…](https://policyrisk.com/state-bill/NH-SB101-2025-2026)
- [CACR22: relating to the compensation of the legislature. Providing that the present com…](https://policyrisk.com/state-bill/NH-CACR22-2025-2026)
- [HB1786: relative to creating a state assessment on non-homestead luxury second homes to…](https://policyrisk.com/state-bill/NH-HB1786-2025-2026)
- [New Hampshire bills](https://policyrisk.com/states/new-hampshire/bills)
- [New Hampshire state hub](https://policyrisk.com/states/new-hampshire)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/NH-HB1079-2025-2026 (as of 2026-10-17).