# Maryland HB 1466: Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions Maryland HB 1466, Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions, is a 2025 Regular Session House bill sponsored by Vaughn Stewart (Democratic); status signed, last action 2025-04-22 (Approved by the Governor - Chapter 197); PRIA reads it as touching household money (as of 2026-10-17). - Canonical: https://policyrisk.com/state-bill/MD-HB1466-2025RS - As of: 2026-10-17 - Plain-text twin of the page above; the HTML and this file carry the same facts. ## Facts - Bill: Maryland HB 1466 - State: Maryland - Session: 2025 Regular Session - Title: Land Use and Real Property - Accessory Dwelling Units - Requirements and Prohibitions - Status: signed - Chamber: House - Introduced: 2025-02-07 - Last action: 2025-04-22, Approved by the Governor - Chapter 197 - Sponsor: Vaughn Stewart (Democratic) - Cosponsors: 9 - Subjects: Local Government - Generally, Real Property, Baltimore City, Boundaries, Building Codes, Chartered Counties -see also- AACo; BCo; CecilCo; etc., Construction, Contracts -see also- Procurement, Counties -see also- Chartered Counties; Code Counties; etc., Development Fees and Taxes, Excise Tax, Fees -see also- Attys' Fees; Devt Fees & Taxes, Health -see also- COVID19; EnvHlth; MedCon; etc., Homeowners Associations, Housing -see also- Apartments; Condos; Mobile & Manuf Homes, Land Records -see also- Deeds, Laws and Ordinances -see also- Pub Local Laws; Uniform Laws, Local Government Mandates, Municipal Corporations -see also- Annap; Balt; Hager; OC, Parking, Permits -see also- Building Permits, Public Buildings and Facilities -see also- Stadiums; St Hse, Safety -see also- Occupational Safety, Standards and Best Practices, Time, Utilities -see also- Recycl; Refuse; Sewage; Teleph; Water, Waivers, Zoning and Planning - Touches household money: yes - Roll calls: 2 (185 yes, 1 no in all) - Economic provisions PRIA read: 4 ## Summary No summary available. ## Bill overview: provisions PRIA read - More options for homeowners adding second homes: benefit, medium. Effective October 1, 2025, Maryland requires local governments to adopt laws allowing accessory homes by October 1, 2026. These homes must share land with a detached, single-family home and remain secondary in use. They can be attached or separate, but cannot exceed 75% of the main home's size. The… - Protection against private accessory home bans: benefit, low. Beginning October 1, 2025, deeds, contracts, and homeowners association rules cannot unreasonably limit accessory-home development or rental. This includes development bans and restrictions that significantly increase development costs. Owners must have the exclusive right to use the property and f… - Accessory homes can bring votes and fees: mixed, low. Beginning October 1, 2025, homeowners associations may count an accessory home as a separate lot for voting and assessments. This can add voting weight but also raise the property owner's association charges. Separate assessments are allowed despite governing documents that cap increases or limit a… - Extra parking rules with homeowner waivers: mixed, low. Beginning October 1, 2025, local governments may require extra off-street parking for accessory homes, adding development costs. Before adopting these requirements, they must complete a parking study. They must consider construction costs, curb space, paved-surface and stormwater effects, and diffe… ## Sponsors and cosponsors - Sponsor: Vaughn Stewart (Democratic), House - Cosponsor: Nick Allen (Democratic), House - Cosponsor: Dylan Behler (Democratic), House - Cosponsor: Regina T. Boyce (Democratic), House - Cosponsor: Barrie S. Ciliberti (Republican), House - Cosponsor: Anne Healey (Democratic), House - Cosponsor: Marvin E. Holmes (Democratic), House - Cosponsor: Otto - Cosponsor: Robbyn Lewis (Democratic), House - Cosponsor: Dana Stein (Democratic), House ## Roll call votes | Date | Chamber | Motion | Result | Yes | No | Other | | --- | --- | --- | --- | --- | --- | --- | | 2025-04-02 | Senate | Third Reading Passed | pass | 47 | 0 | | | 2025-03-17 | House | Third Reading Passed | pass | 138 | 1 | | ## Actions (13) - 2025-04-22: Approved by the Governor - Chapter 197 - 2025-04-02: Returned Passed (House) - 2025-04-02: Third Reading Passed (47-0) (Senate) - 2025-03-27: Second Reading Passed (Senate) - 2025-03-27: Favorable Adopted (Senate) - 2025-03-27: Favorable Report by Education, Energy, and the Environment (Senate) - 2025-03-17: Referred Education, Energy, and the Environment (Senate) - 2025-03-17: Third Reading Passed (138-1) (House) - 2025-03-15: Second Reading Passed with Amendments (House) - 2025-03-15: Favorable with Amendments {473424/1 Adopted (House) - 2025-03-15: Favorable with Amendments Report by Environment and Transportation (House) - 2025-02-07: Hearing 3/04 at 1:00 p.m. (House) - 2025-02-07: First Reading Environment and Transportation (House) ## Bill text - Enacted, 2025-04-22: [PDF](https://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_197_hb1466t.pdf) - Third Reading, 2025-03-15: [PDF](https://mgaleg.maryland.gov/2025RS/bills/hb/hb1466t.pdf) - First Reading, 2025-02-07: [PDF](https://mgaleg.maryland.gov/2025RS/bills/hb/hb1466f.pdf) ## Related bills - HB 0384: Maryland Disability Service Animal Program - Established (vetoed) - SB 0227: Workers' Compensation - Payment From Uninsured Employers' Fund - Revisions (vetoed) - HB 0482: Occupational Licensing and Certification - Criminal History - Predetermination Review Process (vetoed) - SB 0157: Maryland Disability Service Animal Program - Established (vetoed) - HB 1294: Commercial Law - Credit Regulation - Earned Wage Access and Credit Modernization (became law) - HB 0228: Maryland Veterans Trust – Assistance to Members of the Maryland National Guard (signed) ## Sources - [Enacted (PDF)](https://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_197_hb1466t.pdf) - [Third Reading (PDF)](https://mgaleg.maryland.gov/2025RS/bills/hb/hb1466t.pdf) - [First Reading (PDF)](https://mgaleg.maryland.gov/2025RS/bills/hb/hb1466f.pdf) ## Related - [HB 0384: Maryland Disability Service Animal Program - Established](https://policyrisk.com/state-bill/MD-HB0384-2025RS) - [SB 0227: Workers' Compensation - Payment From Uninsured Employers' Fund - Revisions](https://policyrisk.com/state-bill/MD-SB0227-2025RS) - [HB 0482: Occupational Licensing and Certification - Criminal History - Predetermination…](https://policyrisk.com/state-bill/MD-HB0482-2025RS) - [SB 0157: Maryland Disability Service Animal Program - Established](https://policyrisk.com/state-bill/MD-SB0157-2025RS) - [HB 1294: Commercial Law - Credit Regulation - Earned Wage Access and Credit Modernization](https://policyrisk.com/state-bill/MD-HB1294-2025RS) - [HB 0228: Maryland Veterans Trust – Assistance to Members of the Maryland National Guard](https://policyrisk.com/state-bill/MD-HB0228-2025RS) - [Maryland bills](https://policyrisk.com/states/maryland/bills) - [Maryland state hub](https://policyrisk.com/states/maryland) - [All state legislation](https://policyrisk.com/state-bills) Source: PRIA, https://policyrisk.com/state-bill/MD-HB1466-2025RS (as of 2026-10-17).