Groton City Zoning Code
§ 218-9.4.3
Detached accessory apartment.
A building permit for the installation and use and rental of a detached accessory dwelling unit not to exceed 900 square feet of habitable floor area or 50% of the gross habitable floor area contained within the principal dwelling unit, whichever is less, in a detached structure on a lot in the R-A, R-B, NB, VCB, and GB Districts shall be subject to minor site plan review pursuant to § 218-2.5 provided the following criteria are met:
B.
A plot plan of the existing dwelling unit and proposed accessory apartment shall be submitted to the special permit granting authority, showing the location of the building on the lot, the proposed accessory apartment, location of any septic system and required parking
C.
The detached accessory apartment shall be a complete, separate housekeeping unit containing a kitchen/living room, a bathroom and a maximum of two bedrooms. Detached accessory apartments shall not be permitted on lots that contain two or more dwellings.
E.
Any new construction shall be in accordance with current height and setback requirements for the district in which it is located.
F.
No special permit shall be granted without a condition that the accessory apartment shall conform to the provisions of Title V of the State Sanitary Code, 310 CMR 15.00, and applicable regulations of the Groton Board of Health.
G.
Any property that has been granted a special permit for a detached accessory apartment shall not be further divided unless all zoning requirements can be met for the district in which it is located.
H.
The approval for Minor Site Plan review for a Detached Accessory Dwelling Unit shall include the following findings: