Legislation: batch B — IL IN KS KY LA MA MD ME MI MN

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

legislation/us/states/md/2025/hb-1466.md

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+---
+type: "Bill"
+title: "Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions"
+description: "Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions"
+jurisdiction: "us/states/md"
+legislature: "Maryland General Assembly"
+session: "2025"
+identifier: "HB 1466"
+citation: "Maryland HB 1466 (2025)"
+classification: ["bill"]
+subjects: []
+status: "enacted"
+primary_sponsors: ["Allen", "Behler", "Boyce", "Ciliberti", "Healey", "Holmes", "Otto", "R. Lewis", "Stein", "Stewart"]
+version_count: 3
+action_count: 13
+vote_count: 2
+first_action: "2025-02-07"
+last_action: "2025-04-22"
+source: "openstates"
+source_identifier: "ocd-bill/260323f8-d0c9-4f77-8633-398cd40a9edf"
+source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb1466?ys=2025RS&search=True"
+source_hash: "b85eab6abcc5e25984d4d633448147cfcce0b8afb5664f0af50e9b9889461dbc"
+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 1466 (2025) — Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions
+
+## Version chain
+
+The bill's text revisions, in order — the diff chain from filing to enrollment.
+
+1. **Chapter - Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_197_hb1466t.pdf)
+2. **First - Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb1466f.pdf)
+3. **Third - Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb1466t.pdf)
+
+## Votes
+
+- On Third Reading — **47–0** (pass) · upper
+- On Third Reading — **138–1** (pass) · lower
+
+## Sponsors
+
+- Allen — primary (person)
+- Behler — primary (person)
+- Boyce — primary (person)
+- Ciliberti — primary (person)
+- Healey — primary (person)
+- Holmes — primary (person)
+- Otto — primary (person)
+- R. Lewis — primary (person)
+- Stein — primary (person)
+- Stewart — primary (person)
+
+## Timeline
+
+The legislative action history — every referral, reading, and vote.
+
+- **2025-02-07** First Reading Environment and Transportation `referral-committee`
+- **2025-02-07** Hearing 3/04 at 1:00 p.m.
+- **2025-03-15** Favorable with Amendments Report by Environment and Transportation `committee-passage-favorable`
+- **2025-03-15** Favorable with Amendments { `committee-passage-favorable`
+- **2025-03-15** Second Reading Passed with Amendments
+- **2025-03-17** Third Reading Passed `passage`
+- **2025-03-17** Referred Education, Energy, and the Environment `referral-committee`
+- **2025-03-27** Favorable Report by Education, Energy, and the Environment `committee-passage-favorable`
+- **2025-03-27** Favorable Adopted `committee-passage-favorable`
+- **2025-03-27** Second Reading Passed
+- **2025-04-02** Third Reading Passed `passage`
+- **2025-04-02** Returned Passed
+- **2025-04-22** Approved by the Governor - Chapter 197 `executive-signature`
+
+## Source
+
+OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/260323f8-d0c9-4f77-8633-398cd40a9edf`. Confidence: reported (aggregated from official Maryland legislature records).
+