This bill significantly alters the existing regulatory framework governing ADUs by standardizing how local governments must handle applications and requirements for these units. By prohibiting municipalities from imposing stringent conditions—such as high application fees or excessive parking requirements—the bill seeks to eliminate barriers to the construction of ADUs. It emphasizes affordability by ensuring that ADUs not occupied by family members are rented at rates compliant with local affordable housing provisions, thus addressing housing shortages in many areas.
Summary
Senate Bill 2043, introduced in 2026, aims to amend existing laws concerning accessory dwelling units (ADUs) by mandating that municipalities allow their development under specific conditions. The bill allows one ADU per lot by right, particularly on owner-occupied properties or on larger residential lots. It sets uniform design standards for these units, including minimum size requirements and prohibits excessive restrictions by municipalities. The intent is to simplify the process for homeowners wishing to build ADUs, fostering increased availability of affordable housing options across the state.
Contention
Notable points of contention surrounding SB 2043 relate to concerns about local control and the potential impact on community character. Critics argue that the bill undermines local governance by overriding local zoning laws and policies tailored to specific community needs. Some local officials fear that the proliferation of ADUs could alter neighborhood dynamics and infrastructure demands. Proponents, however, contend that the bill will provide crucial solutions to housing shortages and improve accessibility for families seeking affordable living arrangements, balancing community needs with housing availability.
Permit but not mandate, a municipality to allow certain requirements as exceptions to statewide treatment of ADUs to max of 800 sq. ft., owner, family member and caretaker occupation.
Adds a definition for "co-living housing" to the zoning ordinance provisions of the general laws and would include such housing as a special provision to be included in a zoning ordinance.
Adds a definition for "co-living housing" to the zoning ordinance provisions of the general laws and would include such housing as a special provision to be included in a zoning ordinance.
Requires cities and towns to permit attached single-family dwellings in any residential zoning districts and each such dwelling would be entitled to its own parcel thorough subdivision regardless lot size or base zone standards.
Adds the process of permitting the construction of attached single-family dwellings in identified zoning districts as a factor that zoning ordinances must address.
Provides that minor subdivisions would include oversized lot subdivisions under certain circumstances and relative to zoning ordinances, permit a modification to allow "neighborhood character-based modifications" under certain circumstances.
Adds the process of permitting the construction of attached single-family dwellings in identified zoning districts as a factor that zoning ordinances must address.