Massachusetts 2025-2026 Regular Session

Massachusetts House Bill H4020

Introduced
4/10/25  

Caption

Relative to owner occupancy requirement for accessory dwelling units

Impact

The impact of HB 4020 could be significant on local zoning laws, as it aims to standardize regulations that can sometimes differ widely from one municipality to another. By easing restrictions and promoting the use of ADUs without the stipulation of owner occupancy, the bill intends to provide flexibility for homeowners and encourage the development of additional housing stock. The proposed legislation also aims to prevent speculative investments by reinforcing that these units should primarily serve as secondary residences for owners or family members.

Summary

House Bill 4020, presented by Representative Patrick Joseph Kearney, seeks to amend the existing regulations around accessory dwelling units (ADUs) within single-family residential zones in Massachusetts. This bill proposes that no zoning ordinance or by-law should unreasonably restrict or require special permits for utilizing land or structures for a single ADU. Notably, the bill allows these units to be rented out without requiring owner occupancy of either the ADU or the primary residence. This change is aimed at facilitating the creation of more affordable housing options and promoting community well-being by easing the regulatory burden surrounding ADUs.

Contention

While the bill advocates for increased housing availability, it may not be without contention. There could be concerns from local governments and neighborhood associations about the potential for overcrowding or changes to the character of residential neighborhoods. Critics may argue that without owner occupancy requirements, there could be a risk of commercializing residential areas, which might lead to a dilution of community characteristics and an influx of rental properties. As such, the dialogue around the bill will likely include discussions on maintaining community integrity while balancing the need for affordable housing.

Notable_points

The bill also outlines provisions for reasonable regulations around ADUs, such as dimensional setbacks and bulk regulations for structures, thereby not completely eliminating local control. Furthermore, it specifies conditions regarding additional parking requirements based on proximity to public transport facilities, indicating an awareness of sustainable urban planning principles. The formulation and interpretation of what constitutes 'reasonable regulations' may result in varied implementations across different municipalities.

Companion Bills

MA H5065

Replaced by Study Order

Previously Filed As

MA AB1055

Accessory dwelling units: proof of residential occupancy requirements.

MA HB4028

Accessory dwelling units; requirements

MA SB1110

Accessory dwelling units; codes; owners

MA HB2928

Accessory dwelling units; requirements

MA H1484

Relative to accessory dwelling units

MA S1002

Relative to accessory dwelling units on smaller lots

MA HB1006

Relative to on-site parking requirements for accessory dwelling units.

MA H4707

Allowing movable tiny houses as permanent residential dwellings and accessory dwelling units

MA SB543

Accessory dwelling units and junior accessory dwelling units.

MA H1493

Allowing movable tiny houses as permanent residential dwellings and accessory dwelling units

Similar Bills

CA AB1154

Junior accessory dwelling units.

CA SB9

Accessory Dwelling Units: ordinances.

NJ A3488

Concerns development of accessory dwelling units and related municipal land use regulations.

CA AB2127

Accessory dwelling units: private sewage disposal systems.

CA AB956

An act to amend Section 50515.

CA AB1055

Accessory dwelling units: proof of residential occupancy requirements.

CA SB543

Accessory dwelling units and junior accessory dwelling units.

NH HB577

Relative to modifying the definition of ADUs.