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Planning board reviews state ADU regulations and implications for Yarmouth bylaw
Summary
Planning staff and board members reviewed recently promulgated state regulations on accessory dwelling units (ADUs), identifying areas where local zoning can retain controls and areas where state rules preempt prior local limits such as owner-occupancy restrictions.
Planning Board members and staff spent an extended portion of the Feb. 19 meeting reviewing the Commonwealth's newly promulgated ADU regulation (CMR 71) and discussing how it will affect Yarmouth's accessory-apartment bylaws.
Town Planner Kathy Williams walked the board through the state’s redlined regulatory text and highlighted several clarifications and changes: garages are excluded from gross floor area calculations; modular units must be affixed to foundations; municipalities may not require minimum lot sizes for protected-use ADUs; and certain occupancy restrictions previously used by towns—such as…
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