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Bill

HD 1187

An Act relative to Title 5 income tax credit reform

194th Legislature (2025-2026) Introduced by Steven Howitt

Massachusetts bill modifies septic system tax credit eligibility and calculation, affecting residential upgrade incentives and state tax revenue allocation.

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Bill Summary · HD 1187

Legislative bill overview

HD 1187 proposes reforms to Massachusetts' Title 5 income tax credit system, which provides tax incentives related to septic system improvements and environmental compliance. The bill modifies how these credits are calculated, distributed, or claimed by taxpayers who invest in qualifying septic system upgrades or replacements.

Why is this important

Septic system compliance is a significant environmental and public health concern in Massachusetts, particularly in communities without municipal sewer systems. Tax credits are a key policy tool to encourage homeowners to upgrade aging systems that may contaminate groundwater. The bill's reforms could either expand access to these incentives or tighten eligibility, directly affecting residential property upgrade costs.

Potential points of contention

  • Cost to state revenue: Expanding credits increases tax expenditures; tightening them reduces homeowner incentives for environmental upgrades
  • Equity concerns: Questions about whether credit structure benefits wealthy homeowners disproportionately versus those with lower incomes who may need system upgrades most
  • Implementation complexity: Changes to tax credit administration require IRS coordination and may create compliance challenges for taxpayers and tax preparers

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

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