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HD 1766

An Act relative to hillside protection

194th Legislature (2025-2026) Introduced by Tom Walsh

Massachusetts bill restricting hillside development to prevent erosion, flooding, and environmental damage unless municipalities establish equivalent local protections.

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Bill Summary · HD 1766

Legislative bill overview

HD 1766 establishes new regulatory protections for hillside areas in Massachusetts by restricting certain development activities and land-use practices on slopes and elevated terrain. The bill creates oversight mechanisms for projects on hillsides to prevent erosion, flooding, and ecological damage. It applies across municipalities unless they adopt equivalent local protections.

Why is this important

Hillside degradation through inappropriate development increases flood risk, landslides, and water quality problems in downstream communities. Uncontrolled hillside development can destroy habitat and destabilize entire watersheds. This bill addresses a gap where many municipalities lack specific hillside protections beyond general zoning codes.

Potential points of contention

  • Development industry costs: Construction restrictions on hillsides may increase project expenses and reduce developable land value, potentially raising housing costs in affected areas
  • Local control vs. state mandate: The bill may conflict with municipal zoning authority and home-rule concerns, though local alternatives are permitted
  • Definition ambiguity: Without clear technical definitions of "hillside," enforcement could be inconsistent and subject to legal challenges across different terrains

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

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