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Bill

Bill

SD 296

An Act allowing moveable tiny houses as permanent residential dwellings and accessory dwelling units

194th Legislature (2025-2026) Introduced by Mike Brady and 8 co-sponsors

Massachusetts bill permits moveable tiny houses as permanent homes and ADUs to address housing affordability, but faces local zoning and infrastructure concerns.

House concurred
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Bill Summary · SD 296

Legislative bill overview

SD 296 would legalize moveable tiny houses as permanent residential dwellings and accessory dwelling units (ADUs) in Massachusetts. Currently, state law restricts mobile homes to designated parks, so this bill would expand where and how tiny houses can be placed on residential properties.

Why is this important

Massachusetts faces a significant housing affordability crisis with some of the highest median home prices in the nation. Allowing tiny houses as permanent dwellings and ADUs could increase housing supply, enable homeowners to generate rental income, and provide more affordable housing options—though only if local zoning allows it.

Potential points of contention

  • Local control vs. state mandate: Municipalities may resist state-imposed changes to zoning authority, preferring local control over land-use decisions
  • Property value concerns: Neighbors may worry that tiny houses will reduce surrounding property values or change neighborhood character
  • Infrastructure and services: Questions about whether municipal water, sewer, and emergency services can adequately serve tiny house communities without costly upgrades
  • Definition ambiguity: The bill's definition of "moveable tiny house" versus traditional manufactured homes needs clarity to avoid unintended loopholes
  • Parking and density: Urban areas may struggle with parking requirements and density implications if tiny houses become widespread

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

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