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LD 427

An Act To Prohibit Mandatory Parking Space Minimums In State And Municipal Building Codes

132nd Legislature (2025-2026) Introduced by Amy Roeder

Prohibits mandatory parking-space minimums in state and municipal building codes, removing required off-street parking numbers from code for new or renovated buildings.

Signed by Governor
#administration #parkingspaceregulations #stateandlocalgovernment
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Bill Summary · LD 427

Summary — LD 427: An Act To Prohibit Mandatory Parking Space Minimums in State and Municipal Building Codes

Status: Signed by Governor (June 20, 2025)
Introduced: February 4, 2025
Committee: Housing and Economic Development

Purpose and intent

LD 427 prohibits the inclusion of mandatory parking-space minimums in state and municipal building codes. The bill’s intent is to remove a statutory or code-based requirement that new or renovated buildings provide a specified minimum number of off‑street parking spaces as a condition of compliance with building codes.

Key provisions

  • Prohibits mandatory parking-space minimums in building codes adopted or enforced by the State and by municipalities.
  • The enacted version includes amendments adopted in committee and on the floor (Committee Amendment "A" (H‑456) and Senate Amendment "A" (S‑348)). (Text of the amendments was not provided in the summary materials; they were adopted before final passage.)
  • No fiscal impact is reported in multiple fiscal notes prepared for the bill and its amendments.

Who is affected

  • State agencies and municipal code officials: may no longer include or enforce parking-space minimums as part of building-code requirements.
  • Developers, property owners, and builders: will not be required (by building code) to provide a minimum number of parking spaces for covered projects.
  • Local planning and zoning authorities: this bill targets building codes specifically — it does not, on its face, directly amend or preempt municipal land‑use/zoning ordinances that set parking minimums. Municipalities that set parking requirements in zoning regulations would need to review whether and how those rules interact with the new building‑code prohibition.

Fiscal impact

  • Multiple fiscal notes (approved May–June 2025) report "No fiscal impact."

Legislative actions and timeline (high level)

  • Referred to and considered by the Committee on Housing and Economic Development; multiple work sessions and a divided committee report.
  • Committee Amendment "A" and Senate Amendment "A" were adopted. The bill experienced close, divided floor votes in June 2025; the House and Senate ultimately concurred on the amended text.
  • Signed by the Governor on June 20, 2025.

Potential effects (practical implications)

  • May reduce construction costs and allow smaller parking footprints for new development where parking minimums had been enforced through building codes.
  • Could encourage more flexible parking approaches (shared parking, demand-based parking, transit-oriented development), but the overall local effect depends on whether municipalities retain parking minimums in zoning ordinances or choose to adopt maximums or other parking policies.

Note: This summary is based on bill metadata, fiscal notes, and legislative action records; specific statutory text and amendment language were not provided here.

Compiled from official sources — confirm details with the bill’s official record.

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