# Maryland HB 0339: Real Property - Residential Rental Apartments - Air-Conditioning Requirements

Maryland HB 0339, Real Property - Residential Rental Apartments - Air-Conditioning Requirements, is a 2025 Regular Session House bill sponsored by Mary A. Lehman (Democratic); status failed, last action 2025-03-19 (Hearing 3/26 at 1:00 p.m.) (as of 2026-10-17).

- Canonical: https://policyrisk.com/state-bill/MD-HB0339-2025RS
- 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 0339
- State: Maryland
- Session: 2025 Regular Session
- Title: Real Property - Residential Rental Apartments - Air-Conditioning Requirements
- Status: failed
- Chamber: House
- Introduced: 2025-01-13
- Last action: 2025-03-19, Hearing 3/26 at 1:00 p.m.
- Sponsor: Mary A. Lehman (Democratic)
- Cosponsors: 17
- Subjects: Real Property, Apartments, Building Maintenance and Repair, Heating and Cooling, Landlords and Tenants, Leases and Rent, Residential Property -see also- Apartments; Condominiums, Standards and Best Practices
- Touches household money: no
- Roll calls: 3 (179 yes, 229 no in all)
- Economic provisions PRIA read: 0

## Summary

No summary available.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Mary A. Lehman (Democratic), House
- Cosponsor: Nick Allen (Democratic), House
- Cosponsor: Linda Foley (Democratic), House
- Cosponsor: Harris
- Cosponsor: Anne Healey (Democratic), House
- Cosponsor: Jeffrie E. Long (Democratic), House
- Cosponsor: Ashanti Martinez (Democratic), House
- Cosponsor: Joseline A. Peña-Melnyk (Democratic), House
- Cosponsor: Robbyn Lewis (Democratic), House
- Cosponsor: Sheila Ruth (Democratic), House
- Cosponsor: Jared Solomon (Democratic), House
- Cosponsor: Dana Stein (Democratic), House
- Cosponsor: Vaughn Stewart (Democratic), House
- Cosponsor: Deni Taveras (Democratic), House
- Cosponsor: Kym Taylor (Democratic), House
- Cosponsor: Jen Terrasa (Democratic), House
- Cosponsor: Jamila J. Woods (Democratic), House
- Cosponsor: Natalie Ziegler (Democratic), House

## Roll call votes

| Date | Chamber | Motion | Result | Yes | No | Other |
| --- | --- | --- | --- | --- | --- | --- |
| 2025-03-11 | House | Third Reading Passed | pass | 101 | 39 |   |
| 2025-03-05 | House | Floor Amendment {113420/1 (Delegate Schmidt) Rejected | fail | 41 | 95 |   |
| 2025-03-05 | House | Floor Amendment {633122/1 (Delegate R. Long) Rejected | fail | 37 | 95 | 4 |

## Actions (11)

- 2025-03-19: Hearing 3/26 at 1:00 p.m. (Senate)
- 2025-03-12: Referred Judicial Proceedings (Senate)
- 2025-03-11: Third Reading Passed (101-39) (House)
- 2025-03-05: Second Reading Passed with Amendments (House)
- 2025-03-05: Floor Amendment {633122/1 (Delegate R. Long) Rejected (37-95) (House)
- 2025-03-05: Floor Amendment {113420/1 (Delegate Schmidt) Rejected (41-95) (House)
- 2025-03-04: Motion Special Order until 03/05 (Delegate Schmidt) Adopted (House)
- 2025-03-04: Favorable with Amendments {153523/1 Adopted (House)
- 2025-03-03: Favorable with Amendments Report by Environment and Transportation (House)
- 2025-01-15: Hearing 2/04 at 1:00 p.m. (House)
- 2025-01-13: First Reading Environment and Transportation (House)

## Bill text

- Third Reading, 2025-03-05: [PDF](https://mgaleg.maryland.gov/2025RS/bills/hb/hb0339t.pdf)
- First Reading, 2025-01-13: [PDF](https://mgaleg.maryland.gov/2025RS/bills/hb/hb0339f.pdf)

## Related bills

- SB 0227: Workers' Compensation - Payment From Uninsured Employers' Fund - Revisions (vetoed)
- HB 0482: Occupational Licensing and Certification - Criminal History - Predetermination Review Process (vetoed)
- HB 0384: Maryland Disability Service Animal Program - Established (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
- [Third Reading (PDF)](https://mgaleg.maryland.gov/2025RS/bills/hb/hb0339t.pdf)
- [First Reading (PDF)](https://mgaleg.maryland.gov/2025RS/bills/hb/hb0339f.pdf)

## Related
- [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)
- [HB 0384: Maryland Disability Service Animal Program - Established](https://policyrisk.com/state-bill/MD-HB0384-2025RS)
- [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-HB0339-2025RS (as of 2026-10-17).