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Issue · Peabody, MA

Accessory Dwelling Unit Zoning Ordinance

State-mandated changes to allow ADUs by right create ongoing tension over local control, parking, setbacks, and neighborhood impacts.

Overview

The Massachusetts Affordable Homes Act requires by-right ADUs in single-family districts, prompting Peabody to draft a local ordinance. City council advanced amended regulations to the planning board in May 2026, where an informal review raised setback and neighbor-impact questions ahead of a formal hearing.

Background

The Accessory Dwelling Unit Zoning Ordinance issue arose from the Massachusetts Affordable Homes Act, which mandates that ADUs be allowed by right in single-family districts. This state requirement prompted local action to codify implementation details such as dimensional standards and the handling of preexisting family accessory living units.

On May 14, 2026, the city council's discussion of a proposed ordinance centered on setback requirements, fire safety, and conversion rules for existing units. The committee adopted amendments to section 6.18.3(2) and section 6.18.3(5)D before voting 4-1 to report the regulations out favorably to the planning board for a required public hearing.

The planning board received the draft ordinance at its May 21, 2026 meeting as an informal presentation. Board members and residents examined distinctions between ADUs and family accessory living units, separate entrance mandates, and potential conflicts between residential setback rules and those applied to sheds or garages.

Public comments at the planning board meeting highlighted ambiguity in the state law and fears that lenient accessory-structure setbacks could allow full residential units near property lines, affecting neighbor privacy and quality of life. The board accepted the draft for review and scheduled a formal public hearing for the second meeting in June.

The process therefore moved directly from council committee approval with amendments to planning board review, setting up the required hearing without any intervening vote tallies on final adoption.

At its June 18, 2026 public hearing the planning board examined parking near transit, detached-unit setbacks, and the definition of short-term rentals. Residents identified inconsistencies between entrance requirements, questioned the adequacy of a single parking space given snow removal, and argued that square-footage limits for small homes and multi-family structures could prove unworkable or invite litigation.

How it unfolded
Committee discussed proposed ADU ordinance implementing state mandate; amended section 6.18.3(2) on dimensional standards (passed 4-1) and section 6.18.3(5)D on FALAs (passed 5-0); voted 4-1 to report regulations out favorably to planning board with requirement for public hearing.
2026-05-14City Council
Meeting →
Received draft ordinance for informal presentation and discussion; focused on ADU distinctions from family accessory units, separate entrances, and setback concerns relative to accessory structures; accepted draft for review with formal public hearing targeted for second June meeting.
2026-05-21Planning Board
Meeting →
Held public hearing on proposed ADU ordinance; discussed parking, setbacks, short-term-rental definitions, and whether provisions were more restrictive than state law; voted Motion carried (unanimous) to recommend adoption to City Council subject to refinements on parking, short-term rentals, and multi-family square-footage calculations.
2026-06-18Planning Board
Meeting →
Arguments against
Residents fear residential ADUs could be built under lenient setback rules normally applied to sheds or garages, harming neighbor privacy and quality of life.
planning-board 2026-05-21
Against
There is confusion between accessory structures like sheds and residential ADUs specifically regarding applicable setback requirements.
planning-board 2026-05-21
Against
The state law is ambiguously drafted, producing inconsistent interpretations across municipalities on setbacks and construction standards.
planning-board 2026-05-21
Against
The proposed ordinance contains inconsistent entrance requirements, allowing a shared entry hall in one section while requiring a strictly separate entrance in another.
planning-board 2026-06-18
Against
Requiring only one parking space per ADU is inadequate, especially for snow removal, and could negatively affect property values.
planning-board 2026-06-18
Against
Setbacks and square-footage calculations for multi-family homes may lead to legal challenges; the state mandate is an unfunded mandate with setbacks too close to neighbors.
planning-board 2026-06-18
Against
Size limits are too restrictive for small homes, limiting ADUs to unlivable spaces under the 50% rule.
planning-board 2026-06-18
Against
Key voices
“Concern over the potential for neighbors to be negatively impacted by ADUs due to confusion between accessory structures and residential units on setback requirements.”
Residentplanning-board 2026-05-21
“The new state law is ambiguous and poorly drafted, leading to inconsistent interpretations across cities and towns regarding setbacks and construction.”
Residentplanning-board 2026-05-21
“Asked whether the new ADU ordinance would replace existing family accessory living unit provisions.”
Residentplanning-board 2026-05-21
“The speaker pointed out an inconsistency in the proposed ADU ordinance regarding entrance requirements. They noted that one section allows for a shared entry hall, while another requires a strictly separate entrance.”
Residentplanning-board 2026-06-18
“The speaker questioned the adequacy of requiring only one parking space for an ADU, citing snow removal issues. They also expressed concern about potential negative impacts on property values.”
Residentplanning-board 2026-06-18
“A contractor who shared professional experience with ADUs, noting concerns about egress requirements and building codes. They also argued that the proposed setbacks and square footage calculations for multi-family homes might lead to legal challenges.”
Residentplanning-board 2026-06-18
“The speaker argued that the state mandate is an unfunded mandate and criticized the setbacks for being too close to neighbors. They also expressed concern about utility connections and the potential for 'USPS mayhem' due to separate addressing requirements.”
Residentplanning-board 2026-06-18
“A resident of West Peabody who expressed frustration that the proposed ADU size limits are too restrictive for his needs. He noted that because his home is small, the 50% rule limits him to a tiny, unlivable space.”
Residentplanning-board 2026-06-18
What's next

The recommendation will be sent to the City Council, which is expected to take up the matter at their meeting on Tuesday, June 24th.

Where it was discussed
Meetings that took up this issue.
City Council
2026-07-09Adoption of the ADU ordinance as amended, passed by roll call
Meeting →
Planning Board
2026-06-18Public hearing and recommendation to adopt with refinements on parking and setbacks
Meeting →
Planning Board
2026-05-21Discussion of draft ordinance and state mandate impacts
Meeting →
City Council
2026-05-14Debate on setback requirements and existing family units
Meeting →
ADUaccessory dwellingsetbacksaffordable homes act