---
type: "Bill"
title: "An Act To Update The Laws Regarding Housing Developments And Accessory Dwelling Units"
description: "An Act To Update The Laws Regarding Housing Developments And Accessory Dwelling Units"
jurisdiction: "us/states/me"
legislature: "Maine Legislature"
session: "132"
identifier: "LD 2173"
citation: "Maine LD 2173 (132)"
classification: ["bill"]
subjects: ["ACCESSORY DWELLING UNITS", "HOUSING", "REGULATION"]
status: "enacted"
primary_sponsors: ["Amanda COLLAMORE"]
version_count: 4
action_count: 35
vote_count: 1
first_action: "2026-01-27"
last_action: "2026-04-16"
source: "openstates"
source_identifier: "ocd-bill/7ae54c7e-da5c-4e17-8e29-188bd5f44b8d"
source_url: "https://legislature.maine.gov/LawMakerWeb/dockets.asp?ID=280101320"
source_hash: "2eab09449dd1d9a3bed35120a23acdd0647cf88e32dcc82158a8d000c46f0127"
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-me"]
---

# Maine LD 2173 (132) — An Act To Update The Laws Regarding Housing Developments And Accessory Dwelling Units

## Version chain

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

1. **Amendment C-A (H-1041)** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP1461&item=2&snum=132)
2. **Amendment H-A to C-A (H-1042)** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP1461&item=3&snum=132)
3. **Chapter 733** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP1461&item=5&snum=132)
4. **LD 2173 HP 1461** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP1461&item=1&snum=132)

## Votes

- ACCEPT REPORT — **20–13** (pass) · upper

## Sponsors

- Amanda COLLAMORE — primary (person)
- Glenn CURRY — cosponsor (person)
- Ryan FECTEAU — cosponsor (person)
- Tiffany ROBERTS — cosponsor (person)

## Timeline

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

- **2026-01-27** Committee on Housing and Economic Development suggested and ordered printed.
- **2026-01-27** The Bill was REFERRED to the Committee on HOUSING AND ECONOMIC DEVELOPMENT. `referral-committee`
- **2026-01-27** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2026-01-27** The Bill was REFERRED to the Committee on HOUSING AND ECONOMIC DEVELOPMENT in concurrence `referral-committee`
- **2026-04-09** CONSENT CALENDAR - FIRST DAY
- **2026-04-09** Under suspension of the rules CONSENT CALENDAR - SECOND DAY.
- **2026-04-09** The Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (H-1041). `reading-3`
- **2026-04-09** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2026-04-13** Report READ and ACCEPTED in concurrence
- **2026-04-13** Roll Call Ordered Roll Call Number 942 Yeas 20 - Nays 13 - Excused 2 - Absent 0
- **2026-04-13** READ ONCE. `reading-1`
- **2026-04-13** Committee Amendment "A" (H-1041) READ and ADOPTED, in concurrence. `committee-passage-favorable, passage`
- **2026-04-13** Under suspension of the Rules, READ A SECOND TIME and PASSED TO BE ENGROSSED AS AMENDED BY Committee Amendment "A" (H-1041), in concurrence. `reading-2, reading-3`
- **2026-04-13** Ordered sent down forthwith.
- **2026-04-13** This being an emergency measure, a two-thirds vote of all the members elected to the House was necessary.
- **2026-04-13** On motion of Representative COLLAMORE of Pittsfield, the House RECONSIDERED its action whereby the Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (H-1041). `reading-3`
- **2026-04-13** On further motion of the same Representative, the House RECONSIDERED ADOPTION of Committee Amendment "A" (H-1041).
- **2026-04-13** On further motion of same Representative House Amendment "A" (H-1042) to Committee Amendment "A" (H-1041) was READ and ADOPTED. `committee-passage-favorable, passage`
- **2026-04-13** Committee Amendment "A" (H-1041) as Amended by House Amendment "A" (H-1042) thereto was ADOPTED. `committee-passage-favorable`
- **2026-04-13** Subsequently, the Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (H-1041) as Amended by House Amendment "A" (H-1042) thereto. `reading-3`
- **2026-04-13** In NON-CONCURRENCE and sent for concurrence.
- **2026-04-13** ORDERED SENT FORTHWITH.
- **2026-04-13** On motion by Senator PIERCE of Cumberland the Senate RECEDED and CONCURRED to PASSAGE TO BE ENGROSSED AS AMENDED by Committee Amendment "A" (H-1041) as Amended by House Amendment "A" (H-1042) thereto. `reading-3`
- **2026-04-13** Ordered sent down forthwith.
- **2026-04-14** PASSED TO BE ENACTED. `passage`
- **2026-04-14** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2026-04-14** PASSED TO BE ENACTED, in concurrence. `passage`
- **2026-04-16** Signed by Governor `executive-signature`
- **2026-02-26T05:00:00+00:00** Work Session Held - TABLED
- **2026-03-10T04:00:00+00:00** Work Session Held - TABLED
- **2026-03-12T04:00:00+00:00** Work Session Held - TABLED
- **2026-03-17T04:00:00+00:00** Work Session Held - TABLED
- **2026-03-19T04:00:00+00:00** Work Session Held
- **2026-03-19T04:00:00+00:00** Voted - OTP-AM
- **2026-04-09T04:00:00+00:00** Reported Out - OTP-AM

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7ae54c7e-da5c-4e17-8e29-188bd5f44b8d`. Confidence: reported (aggregated from official Maine legislature records).