DISSINTER

SB 12 — Maryland

Residential Rental Apartments - Air-Conditioning Requirement

Requiring a landlord to provide air-conditioning to residential rental units in apartment buildings with 10 or more individual dwelling units in a certain manner beginning June 1, 2026, for newly constructed residential rental units and beginning October 1, 2026, for residential rental units that undergo renovation that includes the replacement or substantial upgrade of electrical systems or heating systems; and applying the Act prospectively.

Latest action: Approved by the Governor - Chapter 664 · May 26, 2026

EnactedApartmentsBuilding Maintenance and RepairBuilding PermitsConstructionHeating and CoolingHousing and Community DevelopmentLandlords and TenantsLeases and RentReal Property

Synopsis written by the legislature's own staff, as published on the official bill page. Status label is derived from the recorded actions. The full text below is the record.

Committees: Judicial Proceedings (Senate); Economic Matters (House of Delegates)

Updated Jun 4, 2026

Timeline

  1. Pre-filed

    Oct 20, 2025 · Senate

  2. First Reading Judicial Proceedings

    Jan 14, 2026 · Senate

  3. Hearing 1/20 at 1:00 p.m.

    Jan 13, 2026 · Senate

  4. Favorable with Amendments Report by Judicial Proceedings

    Mar 18, 2026 · Senate

  5. Favorable with Amendments {

    Mar 18, 2026 · Senate

  6. Second Reading Passed with Amendments

    Mar 18, 2026 · Senate

  7. Third Reading Passed

    Mar 19, 2026 · Senate

  8. Referred Economic Matters

    Mar 20, 2026 · House of Delegates

  9. Hearing 4/02 at 1:00 p.m.

    Mar 24, 2026 · House of Delegates

  10. Hearing canceled

    Apr 2, 2026 · House of Delegates

  11. Hearing 4/02 at 1:30 p.m.

    Apr 2, 2026 · House of Delegates

  12. Hearing canceled

    Apr 2, 2026 · House of Delegates

  13. Hearing 4/02 at 2:30 p.m.

    Apr 2, 2026 · House of Delegates

  14. Favorable with Amendments Report by Economic Matters

    Apr 9, 2026 · House of Delegates

  15. Favorable with Amendments {

    Apr 9, 2026 · House of Delegates

  16. Second Reading Passed with Amendments

    Apr 9, 2026 · House of Delegates

  17. Third Reading Passed

    Apr 13, 2026 · House of Delegates

  18. Senate Concurs House Amendments

    Apr 13, 2026 · Senate

  19. Third Reading Passed

    Apr 13, 2026 · Senate

  20. Passed Enrolled

    Apr 13, 2026 · Senate

  21. Approved by the Governor - Chapter 664

    May 26, 2026 · executive

Sponsored by Chris West

Senate vote — 33–11

On Third Reading · Mar 3, 2026 · result: pass

33 yea · 11 nay · 3 absent, excused, abstain or not voting

Dawn GileDistrict 33YeaCarl JacksonDistrict 8YeaSara LoveDistrict 16YeaJeff WaldstreicherDistrict 18YeaDalya AttarDistrict 41YeaGuy GuzzoneDistrict 13YeaMary-Dulany JamesDistrict 34YeaCory McCrayDistrict 45YeaAlonzo WashingtonDistrict 22YeaMalcolm AugustineDistrict 47YeaKevin HarrisDistrict 27YeaCheryl KaganDistrict 17YeaMike McKayDistrict 1YeaMary WashingtonDistrict 43YeaBen BrooksDistrict 10YeaAntonio HayesDistrict 40YeaNancy KingDistrict 39YeaJim RosapepeDistrict 21YeaRon WatsonDistrict 23YeaNick CharlesDistrict 25YeaShaneka HensonDistrict 30YeaBen KramerDistrict 19YeaWill SmithDistrict 20YeaChris WestDistrict 42YeaArthur EllisDistrict 28YeaKatie HesterDistrict 9YeaClarence LamDistrict 12YeaCharles SydnorDistrict 44YeaCraig ZuckerDistrict 14YeaBrian FeldmanDistrict 15YeaShelly HettlemanDistrict 11YeaKaren YoungDistrict 3YeaJack BaileyDistrict 29NayBill FoldenDistrict 4NaySteve HersheyDistrict 36NayJohnny MautzDistrict 37NayJohnny SallingDistrict 6NayMary Beth CarozzaDistrict 38NayJason GallionDistrict 35NayJ.B. JenningsDistrict 7NayJustin ReadyDistrict 5NayBryan SimonaireDistrict 31NayPaul CordermanDistrict 2NayPam BeidleDistrict 32Not votingJoanne BensonDistrict 24AbsentAnthony MuseDistrict 26Absent
Mr. Presidentas recorded — not linked to a profileYea
Official record — Maryland General Assembly roll call

Senate vote — 35–11

Bill is on Third Reading for Final Passage. · Mar 27, 2026 · result: pass

35 yea · 11 nay · 1 absent, excused, abstain or not voting

Arthur EllisDistrict 28YeaKatie HesterDistrict 9YeaClarence LamDistrict 12YeaCharles SydnorDistrict 44YeaDalya AttarDistrict 41YeaBrian FeldmanDistrict 15YeaShelly HettlemanDistrict 11YeaKaren YoungDistrict 3YeaJeff WaldstreicherDistrict 18YeaMalcolm AugustineDistrict 47YeaDawn GileDistrict 33YeaCarl JacksonDistrict 8YeaSara LoveDistrict 16YeaAlonzo WashingtonDistrict 22YeaPam BeidleDistrict 32YeaGuy GuzzoneDistrict 13YeaMary-Dulany JamesDistrict 34YeaCory McCrayDistrict 45YeaMary WashingtonDistrict 43YeaJoanne BensonDistrict 24YeaKevin HarrisDistrict 27YeaCheryl KaganDistrict 17YeaMike McKayDistrict 1YeaRon WatsonDistrict 23YeaBen BrooksDistrict 10YeaAntonio HayesDistrict 40YeaNancy KingDistrict 39YeaJim RosapepeDistrict 21YeaChris WestDistrict 42YeaNick CharlesDistrict 25YeaShaneka HensonDistrict 30YeaBen KramerDistrict 19YeaWill SmithDistrict 20YeaCraig ZuckerDistrict 14YeaJack BaileyDistrict 29NayBill FoldenDistrict 4NaySteve HersheyDistrict 36NayJohnny MautzDistrict 37NayJohnny SallingDistrict 6NayMary Beth CarozzaDistrict 38NayJason GallionDistrict 35NayJ.B. JenningsDistrict 7NayJustin ReadyDistrict 5NayBryan SimonaireDistrict 31NayPaul CordermanDistrict 2NayAnthony MuseDistrict 26Not voting
Mr. Presidentas recorded — not linked to a profileYea
Official record — Maryland General Assembly roll call

House of Delegates vote — 101–34

On Third Reading (Amend) · Mar 30, 2026 · result: pass

101 yea · 34 nay · 6 absent, excused, abstain or not voting

Bonnie CullisonDistrict 19YeaDana JonesDistrict 30AYeaLily QiDistrict 15YeaSean StinnettDistrict 41YeaGabriel AceveroDistrict 39YeaDebra DavisDistrict 28YeaAnne KaiserDistrict 14YeaPam QueenDistrict 14YeaDeni TaverasDistrict 47BYeaJackie AddisonDistrict 45YeaEric EbersoleDistrict 44AYeaAaron KaufmanDistrict 18YeaKent RobersonDistrict 25YeaKym TaylorDistrict 23YeaNick AllenDistrict 8YeaMark EdelsonDistrict 46YeaKen KerrDistrict 3YeaDenise RobertsDistrict 25YeaJen TerrasaDistrict 13YeaTiffany AlstonDistrict 24YeaElizabeth EmbryDistrict 43AYeaMarc KormanDistrict 16YeaMike RogersDistrict 32YeaKaren TolesDistrict 25YeaMarlon AmpreyDistrict 40YeaKris FairDistrict 3YeaMary LehmanDistrict 21YeaSandy RosenbergDistrict 41YeaChris TomlinsonDistrict 5YeaHeather Bagnall TudballDistrict 33CYeaJessica FeldmarkDistrict 12AYeaRobbyn LewisDistrict 46YeaKim RossDistrict 8YeaKris ValderramaDistrict 26YeaBen BarnesDistrict 21YeaDiana FennellDistrict 47AYeaJeff LongDistrict 27BYeaMalcolm RuffDistrict 41YeaRon WatsonDistrict 23YeaSandy BartlettDistrict 32YeaLinda FoleyDistrict 15YeaLesley LopezDistrict 39YeaSheila RuthDistrict 44BYeaMelissa WellsDistrict 40YeaDylan BehlerDistrict 30AYeaCathi ForbesDistrict 43BYeaSheree Sample-HughesDistrict 37AYeaJennifer White HollandDistrict 10YeaHarry BhandariDistrict 8YeaDavid Fraser-HidalgoDistrict 15YeaAletheia McCaskillDistrict 44BYeaMatthew SchindlerDistrict 2BYeaJheanelle WilkinsDistrict 20YeaAdrian BoafoDistrict 23YeaMichele GuytonDistrict 42BYeaBernice Mireku-NorthDistrict 14YeaStuart SchmidtDistrict 33BYeaNicole WilliamsDistrict 22YeaRegina BoyceDistrict 43AYeaGuy GuzzoneDistrict 13YeaDavid MoonDistrict 20YeaEmily ShettyDistrict 18YeaC.T. WilsonDistrict 28YeaJon CardinDistrict 11BYeaAndrea HarrisonDistrict 24YeaGabriel MorenoDistrict 13YeaGary SimmonsDistrict 12BYeaGreg WimsDistrict 39YeaMark ChangDistrict 32YeaAnne HealeyDistrict 22YeaDarrell OdomDistrict 27AYeaKaren SimpsonDistrict 3YeaSarah WolekDistrict 16YeaLorig CharkoudianDistrict 20YeaTerri HillDistrict 12AYeaJulie Palakovich CarrDistrict 17YeaWill SmithDistrict 20YeaJamila WoodsDistrict 26YeaLuke ClippingerDistrict 46YeaMarvin HolmesDistrict 23YeaCheryl PasteurDistrict 11AYeaJared SolomonDistrict 18YeaTeresa WoormanDistrict 16YeaDerrick ColeyDistrict 24YeaJulian IveyDistrict 47AYeaEdith PattersonDistrict 28YeaRyan SpiegelDistrict 17YeaChao WuDistrict 9AYeaFrank ConawayDistrict 40YeaAndre JohnsonDistrict 34AYeaScott PhillipsDistrict 10YeaDana SteinDistrict 11BYeaCaylin YoungDistrict 45YeaBrian CrosbyDistrict 29BYeaSteve JohnsonDistrict 34AYeaAndrew PruskiDistrict 33AYeaVaughn StewartDistrict 19YeaNatalie ZieglerDistrict 9AYeaCharlotte CrutchfieldDistrict 19YeaChris AdamsDistrict 37BNayBrian ChisholmDistrict 31NayKevin HornbergerDistrict 35BNayRic MetzgarDistrict 6NayTeresa ReillyDistrict 35ANayKevin AndersonDistrict 38ANayBarrie CilibertiDistrict 4NayTom HutchinsonDistrict 37BNayApril MillerDistrict 4NayApril RoseDistrict 5NaySteve ArentzDistrict 36NayMark FisherDistrict 27CNayJay JacobsDistrict 36NayMatt MorganDistrict 29ANayJosh StonkoDistrict 42CNayLauren ArikanDistrict 7BNayJeff GhristDistrict 36NayNic KipkeDistrict 31NayTodd MorganDistrict 29CNayKathy SzeligaDistrict 7ANayTerry BakerDistrict 1CNayRobin GrammerDistrict 6NayBob LongDistrict 6NayRyan NawrockiDistrict 7ANayWilliam ValentineDistrict 2ANayBarry BeauchampDistrict 38BNayMike GriffithDistrict 35ANayLaToya NkongoloDistrict 31NayWilliam WivellDistrict 2ANayJason BuckelDistrict 1BNayJim HinebaughDistrict 1ANaySusan McComasDistrict 34BNayJesse PippyDistrict 4NayChristopher BouchatDistrict 5Not votingSeth HowardDistrict 30BNot votingVeronica TurnerDistrict 26Not votingJoe VogelDistrict 17Not votingWayne HartmanDistrict 38CAbsentAdrienne JonesDistrict 10Absent
Speakeras recorded — not linked to a profileYea
Martinezas recorded — not linked to a profileYea
Mangioneas recorded — not linked to a profileNay
Official record — Maryland General Assembly roll call
Fiscal and Policy Note — official analysis by legislative staff (PDF) Bill text (Enrolled) — Maryland General Assembly (PDF) Bill text (First reading) — Maryland General Assembly (PDF) Bill text (Third reading) — Maryland General Assembly (PDF) Official record — Maryland General Assembly bill page

Official records. Maryland legislators, bills and roll-call votes from the Maryland General Assembly, imported through Open States on Oct 27, 2026 (partial import — not yet the full session). Accuracy review against the official site is still under way. Campaign-finance records for Maryland are not imported yet.