---
type: "Bill"
title: "relative to zoning restrictions on dwelling units."
description: "relative to zoning restrictions on dwelling units."
jurisdiction: "us/states/nh"
legislature: "New Hampshire General Court"
session: "2025"
identifier: "HB 457"
citation: "New Hampshire HB 457 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Diane Pauer"]
version_count: 1
action_count: 15
vote_count: 0
first_action: "2025-01-10"
last_action: "2025-07-22"
source: "openstates"
source_identifier: "ocd-bill/87cbe705-8a67-475a-a26b-e97fe7f11120"
source_url: "https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/bill_docket.aspx?lsr=0876&sy=2025&sortoption=&txtsessionyear=2025"
source_hash: "9afdc20b9c234cae29447b3dfdd7d0ac7bb36cd963e50c9fa97fd309fadeb970"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-nh"]
---

# New Hampshire HB 457 (2025) — relative to zoning restrictions on dwelling units.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Amendment #2025-2152s** (committee substitute) — [source](https://www.gencourt.state.nh.us/bill_status/legacy/bs2016/billText.aspx?sy=2025&id=2025-2152s&txtFormat=amend)

## Sponsors

- Diane Pauer — primary (person)
- Adam Joseph Presa — cosponsor (person)
- Alissandra Murray — cosponsor (person)
- Daniel E. Innis — cosponsor (person)
- David H. Watters — cosponsor (person)
- Ellen D Read — cosponsor (person)
- Harry H Bean — cosponsor (person)
- Hope E Damon — cosponsor (person)
- Joe H. Alexander — cosponsor (person)
- Jonah Orion Wheeler — cosponsor (person)
- Keith R. Murphy — cosponsor (person)
- Ross Berry — cosponsor (person)
- Samuel G Farrington — cosponsor (person)
- Tara Reardon — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-01-10** Introduced (in recess of) 01/09/2025 and referred to Housing HJ 3 P. 11 `introduction, referral-committee`
- **2025-02-03** Public Hearing: 02/18/2025 01:00 pm LOB 305
- **2025-03-13** Executive Session: 03/13/2025 12:10 pm LOB 305
- **2025-03-14** Committee Report: Ought to Pass with Amendment # 2025-0917h (NT) 03/13/2025 (Vote 16-1; CC) HC 17 P. 20 `committee-passage-favorable`
- **2025-03-26** Amendment # 2025-0917h (NT): AA VV 03/26/2025 HJ 10 P. 36
- **2025-03-26** Ought to Pass with Amendment 2025-0917h: MA VV 03/26/2025 HJ 10 P. 36 `committee-passage-favorable, passage`
- **2025-03-27** Introduced 03/27/2025 and Referred to Commerce; SJ 10 `introduction, referral-committee`
- **2025-04-29** Hearing: 05/06/2025, Room 100, SH, 10:30 am; SC 20
- **2025-05-16** Committee Report: Ought to Pass with Amendment # 2025-2152s, 05/22/2025; Vote 6-0; CC; SC 22 `committee-passage-favorable`
- **2025-05-22** Committee Amendment # 2025-2152s, AA, VV; 05/22/2025; SJ 14
- **2025-05-22** Ought to Pass with Amendment #2025-2152s, MA, VV; OT3rdg; 05/22/2025; SJ 14 `committee-passage-favorable, passage`
- **2025-06-12** House Concurs with Senate Amendment 2025-2152s (Rep. Alexander Jr.): MA DV 179-170 06/12/2025 HJ 17 P. 14
- **2025-07-03** Enrolled Adopted, VV, (In recess 06/26/2025); SJ 18 `enrolled`
- **2025-07-07** Enrolled (in recess of) 06/26/2025 HJ 18 P. 59
- **2025-07-22** Signed by Governor Ayotte 07/15/2025; Chapter 188; eff. 09/13/2025 HJ 18 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/87cbe705-8a67-475a-a26b-e97fe7f11120`. Confidence: reported (aggregated from official New Hampshire legislature records).