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Bill

Bill

LC 2076

Revise laws relating to maximum building height requirements for accessory dwelling units.

2025 Regular Session

Montana bill would increase maximum building heights allowed for accessory dwelling units to address housing supply constraints in residential areas.

(LC) Draft Died in Process
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WeVote Research Nonpartisan
Bill Summary · LC 2076

Legislative bill overview

LC 2076 would modify Montana's building code regulations to adjust maximum height restrictions specifically for accessory dwelling units (ADUs)—secondary residential units built on the same property as a primary dwelling. The bill died in the legislative process before being formally introduced, meaning it never received a committee hearing or floor vote.

Why is this important

ADU regulations directly affect housing affordability and density in Montana communities. Height restrictions are a key tool municipalities use to control development character, but they can also artificially limit housing supply by making ADU construction economically unfeasible for property owners. This bill represents an attempt to balance housing availability with local zoning concerns.

Potential points of contention

  • Local control vs. state mandates: Whether the state should override local jurisdictions' ability to set their own height limits for ADUs
  • Neighborhood character: Concerns that increased ADU heights could alter the appearance and density of established residential neighborhoods
  • Housing affordability trade-off: Debate over whether relaxing height restrictions would meaningfully increase affordable housing supply or primarily benefit developers

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

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