---
type: "Bill"
title: "An Act To Encourage Policies Regarding Accessory Dwelling Units Under Local Comprehensive Plans And Zoning Requirements"
description: "An Act To Encourage Policies Regarding Accessory Dwelling Units Under Local Comprehensive Plans And Zoning Requirements"
jurisdiction: "us/states/me"
legislature: "Maine Legislature"
session: "129"
identifier: "LD 970"
citation: "Maine LD 970 (129)"
classification: ["bill"]
subjects: ["MUNICIPALITIES", "ORDINANCES", "ZONING ORDINANCES"]
status: "enacted"
primary_sponsors: ["Richard CAMPBELL"]
version_count: 3
action_count: 17
vote_count: 0
first_action: "2019-02-26"
last_action: "2019-05-23"
source: "openstates"
source_identifier: "ocd-bill/d09469a2-2252-478c-8d22-546aa936043c"
source_url: "http://legislature.maine.gov/LawMakerWeb/dockets.asp?ID=280072060"
source_hash: "2dd560ea701b6f7b14e848df094bc819877c0a5d670065844b8cf41881e4cdf0"
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 970 (129) — An Act To Encourage Policies Regarding Accessory Dwelling Units Under Local Comprehensive Plans And Zoning Requirements

## Version chain

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

1. **Adopted Amendments** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0725&item=2&snum=129)
2. **Documents and Disposition** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0725&item=1&snum=129)
3. **Final Disposition** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=HP0725&item=3&snum=129)

## Sponsors

- Richard CAMPBELL — primary (person)
- Arthur VEROW — cosponsor (person)
- Benjamin CHIPMAN — cosponsor (person)
- Bill DIAMOND — cosponsor (person)
- Dennis KESCHL — cosponsor (person)
- Gary DRINKWATER — cosponsor (person)
- Jessica FAY — cosponsor (person)
- Michael PERKINS — cosponsor (person)
- Stephen STANLEY — cosponsor (person)

## Timeline

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

- **2019-02-26** Committee on State and Local Government suggested and ordered printed.
- **2019-02-26** The Bill was REFERRED to the Committee on STATE AND LOCAL GOVERNMENT. `referral-committee`
- **2019-02-26** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2019-02-26** The Bill was REFERRED to the Committee on STATE AND LOCAL GOVERNMENT in concurrence `referral-committee`
- **2019-05-02** CONSENT CALENDAR - FIRST DAY
- **2019-05-02** Under suspension of the rules CONSENT CALENDAR - SECOND DAY.
- **2019-05-02** The Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (H-179).
- **2019-05-02** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2019-05-07** Report READ and ACCEPTED, in concurrence.
- **2019-05-07** READ ONCE. `reading-1`
- **2019-05-07** Committee Amendment "A" (H-179) READ and ADOPTED, in concurrence. `passage`
- **2019-05-07** Under suspension of the Rules, READ A SECOND TIME and PASSED TO BE ENGROSSED AS AMENDED BY Committee Amendment "A" (H-179), in concurrence. `reading-2`
- **2019-05-07** Ordered sent down forthwith.
- **2019-05-09** PASSED TO BE ENACTED. `passage`
- **2019-05-09** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2019-05-14** PASSED TO BE ENACTED, in concurrence. `passage`
- **2019-05-23** Signed by Governor `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/d09469a2-2252-478c-8d22-546aa936043c`. Confidence: reported (aggregated from official Maine legislature records).