Maryland SB12: Residential Rental Apartments - Air-Conditioning Requirement

What the bill says

An act concerning Residential Rental Apartments - Air-Conditioning Requirement FOR the purpose of requiring a landlord to provide air-conditioning to certain residential rental units in a certain manner; and generally relating to air-conditioning requirements for residential rental units. BY adding to Article - Real Property Section 8-122 Annotated Code of Maryland (2023 Replacement Volume and 2025 Supplement).

From the enrolled text, June 3, 2026:

AN ACT concerning Residential Rental Apartments - Air-Conditioning Requirement FOR the purpose of requiring a landlord to provide air-conditioning to certain residential rental units in a certain manner; and generally relating to air-conditioning requirements for residential rental units. BY adding to Article - Real Property Section 8-122 Annotated Code of Maryland (2023 Replacement Volume and 2025 Supplement) SECTION 1. BE IT ENACTED BY THE GENERAL ASSEMBLY OF MARYLAND, That the Laws of Maryland read as follows: Article - Real Property 8-122. (A) (1) THIS SECTION APPLIES ONLY TO RESIDENTIAL RENTAL UNITS IN APARTMENT BUILDINGS WITH FOUR 10 OR MORE INDIVIDUAL DWELLING UNITS. (2) THIS SECTION DOES NOT APPLY TO A RESIDENTIAL RENTAL UNIT THAT IS: (I) LOCATED LOCATED ON PROPERTY LISTED ON THE NATIONAL REGISTER OF HISTORIC PLACES; (II) PART OF A HOUSING AUTHORITY OF BALTIMORE CITY DEVELOPMENT BUILT BETWEEN 1940 AND 1950, INCLUSIVE; OR (III) A ROWHOUSE PUBLIC HOUSING UNIT ACQUIRED AND REHABILITATED BY THE HOUSING AUTHORITY OF BALTIMORE CITY BETWEEN 1960 AND 1997, INCLUSIVE. (B) A LANDLORD SHALL PROVIDE AIR-CONDITIONING IN EACH RESIDENTIAL UNIT IN ACCORDANCE WITH SUBSECTION (C) OF THIS SECTION AS FOLLOWS: Ch. 664 2026 LAWS OF MARYLAND (1) BEGINNING JUNE 1, 2026, FOR NEWLY CONSTRUCTED RESIDENTIAL RENTAL UNITS; AND (2) BEGINNING JUNE 1, 2026, FOR RESIDENTIAL RENTAL UNITS WHERE, AT ANY TIME ON OR AFTER …

Read the full official text

Sponsors

• Chris West (R, 42) · primary sponsor

Latest actions

1. May 26, 2026: Approved by the Governor - Chapter 664
2. April 13, 2026: Passed Enrolled
3. April 13, 2026: Third Reading Passed (35-11)
4. April 13, 2026: Senate Concurs House Amendments
5. April 13, 2026: Third Reading Passed (101-34)
6. April 9, 2026: Second Reading Passed with Amendments
7. April 9, 2026: Favorable with Amendments {393224/1 Adopted
8. April 9, 2026: Favorable with Amendments Report by Economic Matters
9. April 2, 2026: Hearing 4/02 at 2:30 p.m.
10. April 2, 2026: Hearing 4/02 at 1:30 p.m.

Votes

• Third Reading Passed (35-11) (April 13, 2026): 35 yea, 11 nay, passed
• Third Reading Passed (101-34) (April 13, 2026): 101 yea, 34 nay, passed
• Third Reading Passed (33-11) (March 19, 2026): 33 yea, 11 nay, passed

Common questions

What is SB12?

SB12 is a bill in the Maryland Legislature (2026 Regular Session): Residential Rental Apartments - Air-Conditioning Requirement.

What does SB12 do?

In its own words: An act concerning Residential Rental Apartments - Air-Conditioning Requirement FOR the purpose of requiring a landlord to provide air-conditioning to certain residential rental units in a certain manner; and generally relating to air-conditioning requirements for residential rental units. BY adding to Article - Real Property Section 8-122 Annotated Code of Maryland (2023 Replacement Volume and 2025 Supplement).

What is the status of SB12?

Signed into law as of May 26, 2026. Latest action: Approved by the Governor - Chapter 664 (May 26, 2026).

Who sponsored SB12?

Chris West (R, 42).

Where is the official record for SB12?

On the Maryland Legislature website: https://mgaleg.maryland.gov/mgawebsite/Legislation/Details/sb0012?ys=2026RS