---
type: "Bill"
title: "Accessory Dwelling Unit Policy Task Force"
description: "Accessory Dwelling Unit Policy Task Force"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2023"
identifier: "HB 239"
citation: "Maryland HB 239 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Addison", "Charles", "Foley", "Grossman", "Holmes", "J. Long", "Lehman", "Palakovich Carr", "Smith", "Stewart", "Toles", "Woods"]
version_count: 4
action_count: 16
vote_count: 0
first_action: "2023-01-23"
last_action: "2023-05-28"
source: "openstates"
source_identifier: "ocd-bill/fb146949-ecf7-43c5-8b55-7a3f66f5dca2"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0239?ys=2023RS&search=True"
source_hash: "fe167f7307a69740858bfd40b1747aad093efea3c2f85e24d7c5e94f46f76d5e"
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-md"]
---

# Maryland HB 239 (2023) — Accessory Dwelling Unit Policy Task Force

## Version chain

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

1. **Chapter - Accessory Dwelling Unit Policy Task Force** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/Chapters_noln/CH_798_hb0239e.pdf)
2. **Enrolled - Accessory Dwelling Unit Policy Task Force** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0239e.pdf)
3. **First - Accessory Dwelling Unit Promotion and Policy Task Force** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0239f.pdf)
4. **Third - Accessory Dwelling Unit Policy Task Force** (committee substitute) — [source](http://mgaleg.maryland.gov/2023RS/bills/hb/hb0239t.pdf)

## Sponsors

- Addison — primary (person)
- Charles — primary (person)
- Foley — primary (person)
- Grossman — primary (person)
- Holmes — primary (person)
- J. Long — primary (person)
- Lehman — primary (person)
- Palakovich Carr — primary (person)
- Smith — primary (person)
- Stewart — primary (person)
- Toles — primary (person)
- Woods — primary (person)

## Timeline

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

- **2023-01-23** First Reading Environment and Transportation `referral-committee`
- **2023-01-25** Hearing 2/07 at 1:00 p.m.
- **2023-03-31** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
- **2023-03-31** Favorable with Amendments { `committee-passage-favorable`
- **2023-03-31** Second Reading Passed with Amendments
- **2023-04-03** Third Reading Passed `passage`
- **2023-04-03** Referred Rules `referral-committee`
- **2023-04-05** Rereferred to Education, Energy, and the Environment
- **2023-04-07** Favorable with Amendments Report by Education, Energy, and the Environment `committee-passage-favorable`
- **2023-04-07** Favorable with Amendments { `committee-passage-favorable`
- **2023-04-07** Second Reading Passed with Amendments
- **2023-04-07** Third Reading Passed `passage`
- **2023-04-10** House Concurs Senate Amendments
- **2023-04-10** Third Reading Passed `passage`
- **2023-04-10** Passed Enrolled
- **2023-05-28** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 798 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/fb146949-ecf7-43c5-8b55-7a3f66f5dca2`. Confidence: reported (aggregated from official Maryland legislature records).