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Bill

A 2489

Concerns development of accessory dwelling units.

2024-2025 Regular Session Introduced by John Allen and 2 co-sponsors

New Jersey bill expedites accessory dwelling unit development by reducing regulatory barriers, potentially increasing affordable housing supply on single-family lots.

Combined with A2792/4370 (ACS)
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Bill Summary · A 2489

Legislative bill overview

Bill A 2489 seeks to facilitate the development of accessory dwelling units (ADUs) in New Jersey by removing or modifying regulatory barriers that currently restrict their construction on single-family residential properties. The bill was introduced in the Assembly and recently combined with related ADU legislation (A2792/4370), suggesting movement toward a comprehensive approach to ADU policy in the state.

Why is this important

ADUs—secondary housing units on single-family lots such as basement apartments, garage conversions, or separate cottages—are increasingly viewed as a solution to housing shortages and affordability challenges. Expanding ADU development could increase affordable rental housing supply, help homeowners generate income, and make more efficient use of existing residential land without requiring large-scale new construction projects.

Potential points of contention

  • Local zoning authority: Municipalities often view ADU regulations as local land-use matters; state-level mandates may face resistance from communities concerned about density, parking, and neighborhood character
  • Affordability requirements: Disagreement over whether ADUs should include affordability protections or remain market-rate, potentially limiting benefits to lower-income households
  • Construction and safety standards: Questions about building code compliance, parking requirements, and utility infrastructure capacity for densification

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

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