# Montana SB 243: Amend zoning regulations to allow taller buildings Montana SB 243, Amend zoning regulations to allow taller buildings, is a 69th Legislature, Regular Session (2025) Senate bill sponsored by Ellie Boldman (Democrat); status signed, last action 2025-05-16 (Chapter Number Assigned) (as of 2026-10-19). - Canonical: https://policyrisk.com/state-bill/MT-SB243-2025 - As of: 2026-10-19 - Plain-text twin of the page above; the HTML and this file carry the same facts. ## Facts - Bill: Montana SB 243 - State: Montana - Session: 69th Legislature, Regular Session (2025) - Title: Amend zoning regulations to allow taller buildings - Status: signed - Chamber: Senate - Introduced: 2025-01-30 - Last action: 2025-05-16, Chapter Number Assigned - Sponsor: Ellie Boldman (Democrat) - Cosponsors: 1 - Subjects: Planning, Cities and Towns, Buildings and Building Regulations - Touches household money: no - Roll calls: 7 (360 yes, 139 no in all) - Economic provisions PRIA read: 2 ## Summary No summary available. ## Bill overview: provisions PRIA read - Cities allow apartments, cap parking, taller buildings: benefit, low. Beginning Oct 1, 2026, these rules apply in cities the U.S. Census lists as an urban area with over 5,000 people. Cities must allow apartments and mixed-use buildings on commercial lots with will-serve letters from both municipal water and sewer. Cities cannot require more than one off-street parki… - Cities must allow duplexes in neighborhoods: benefit, low. Beginning Oct 1, 2026, any city with at least 5,000 people must allow duplexes wherever it allows single-family homes. Duplex rules cannot be stricter than the rules for single-family homes. ## Sponsors and cosponsors - Sponsor: Ellie Boldman (Democrat), Senate - Cosponsor: Kenneth Bogner (Republican), Senate ## Roll call votes | Date | Chamber | Motion | Result | Yes | No | Other | | --- | --- | --- | --- | --- | --- | --- | | 2025-04-17 | Senate | Do Pass | pass | 41 | 9 | | | 2025-04-16 | Senate | Do Pass | pass | 38 | 12 | | | 2025-04-11 | House | AMD-SB0243.003.001 Powers DO PASS | fail | 33 | 67 | | | 2025-04-11 | House | Do Concur | pass | 76 | 23 | | | 2025-04-11 | House | Do Concur | pass | 79 | 21 | | | 2025-03-01 | Senate | Do Pass | pass | 47 | 3 | | | 2025-02-28 | Senate | Do Pass | pass | 46 | 4 | | ## Actions (29) - 2025-05-16: Chapter Number Assigned (Senate) - 2025-05-13: Signed by Governor (Senate) - 2025-05-05: Transmitted to Governor (Senate) - 2025-05-05: Signed by Speaker (House) - 2025-04-29: Signed by President (Senate) - 2025-04-20: Returned from Enrolling (Senate) - 2025-04-17: Sent to Enrolling (Senate) - 2025-04-17: 3rd Reading House Amendments (Senate) - 2025-04-16: 2nd Reading House Amendments (Senate) - 2025-04-15: 2nd Reading Pass Consideration (Senate) - 2025-04-11: Returned to Senate with Amendments (House) - 2025-04-11: 3rd Reading (House) - 2025-04-11: 2nd Reading (House) - 2025-04-11: 2nd Reading Motion to Amend (House) - 2025-04-09: Committee Report (House) - 2025-04-08: Committee Executive Action (House) - 2025-03-07: Hearing (House) - 2025-03-03: 1st Reading (House) - 2025-03-03: Referred to Committee (House) - 2025-03-01: Transmitted to House (Senate) - 2025-03-01: 3rd Reading (Senate) - 2025-02-28: 2nd Reading (Senate) - 2025-02-26: 2nd Reading Pass Consideration (Senate) - 2025-02-25: Committee Report (Senate) - 2025-02-24: Committee Executive Action (Senate) - 2025-02-04: Hearing (Senate) - 2025-02-03: Referred to Committee (Senate) - 2025-01-31: 1st Reading (Senate) - 2025-01-30: Introduced (Senate) ## Bill text - Enrolled, 2025-04-17: [PDF](https://docs.legmt.gov/download-ticket?ticketId=c17933bd-3903-4546-9c95-3443aeaed934) - As Amended (Version 3), 2025-04-09: [PDF](https://docs.legmt.gov/download-ticket?ticketId=b13d7731-0c29-4a94-99ef-62f645ce74fe) - As Amended (Version 2), 2025-02-25: [PDF](https://docs.legmt.gov/download-ticket?ticketId=7a8f6c2c-586c-4242-9379-b5e3064dd57e) - Introduced, 2025-01-30: [PDF](https://docs.legmt.gov/download-ticket?ticketId=4e50b57b-d096-40ad-9be2-d0fbfae83448) ## Related bills - SB 437: Revise definition of sex in Montana law (signed) - HB 831: Increase elderly homeowner and renter income tax credit (vetoed) - HB 628: Revise early literacy targeted intervention laws (vetoed) - SB 410: Provide for Montana genomic security act (vetoed) - SB 424: Revising the disabled veteran property tax assistance program (vetoed) - SB 422: Generally revise laws relating to insurance coverage relating to cancer (vetoed) ## Sources - [Enrolled (PDF)](https://docs.legmt.gov/download-ticket?ticketId=c17933bd-3903-4546-9c95-3443aeaed934) - [As Amended (Version 3) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=b13d7731-0c29-4a94-99ef-62f645ce74fe) - [As Amended (Version 2) (PDF)](https://docs.legmt.gov/download-ticket?ticketId=7a8f6c2c-586c-4242-9379-b5e3064dd57e) - [Introduced (PDF)](https://docs.legmt.gov/download-ticket?ticketId=4e50b57b-d096-40ad-9be2-d0fbfae83448) ## Related - [SB 437: Revise definition of sex in Montana law](https://policyrisk.com/state-bill/MT-SB437-2025) - [HB 831: Increase elderly homeowner and renter income tax credit](https://policyrisk.com/state-bill/MT-HB831-2025) - [HB 628: Revise early literacy targeted intervention laws](https://policyrisk.com/state-bill/MT-HB628-2025) - [SB 410: Provide for Montana genomic security act](https://policyrisk.com/state-bill/MT-SB410-2025) - [SB 424: Revising the disabled veteran property tax assistance program](https://policyrisk.com/state-bill/MT-SB424-2025) - [SB 422: Generally revise laws relating to insurance coverage relating to cancer](https://policyrisk.com/state-bill/MT-SB422-2025) - [Montana bills](https://policyrisk.com/states/montana/bills) - [Montana state hub](https://policyrisk.com/states/montana) - [All state legislation](https://policyrisk.com/state-bills) Source: PRIA, https://policyrisk.com/state-bill/MT-SB243-2025 (as of 2026-10-19).