Groton City Zoning Code

§ 218-6.2

Schedule of intensity regulations.

[Amended 4-26-2025 ATM by Art. 16]

	Minimum Lot Dimensions		Maximum Height			Minimum Building Setback
District	Area (square feet)	Frontage (feet)	Feet	Stories	Maximum Impervious Coverage (percentage)³	Max. or Min. Front (feet)	Min. Side (feet)	Min. Rear (feet)
R-A⁵	80,000¹	225⁴	35	3	25	50 min.	15	15
R-B⁵	40,000^1,2	175^2,4	35	3	25	50 min.	15	15
VCB⁵	10,000^1,2	150²	35	3	75	10⁶ max.	10⁶	10⁶
NB	20,000^1,2	150²	35	3	65	15⁶ max.	15⁶	15⁶
GB	40,000^1,2	175²	35	3	50	20⁶ max.	15⁶	15⁶
I	40,000²	175²	35	3	75	50 min.	15	15
O	—	—	35	3	25	50 min.	15	15
P⁵	40,000^1,2	175²	35	3	50	50 min.	15	15

NOTES:
¹	For planned multifamily/residential development, see § 218-9.3C. For age-restricted housing, see instead § 218-9.3B. For multifamily use by conversion, see instead § 218-9.3A. For flexible development, see § 218-9.1F(1). For hammerhead lots, see § 218-6.4. For MBTA Communities Multi-Family Overlay District development, see § 218-7.5.
²	No minimum for nonresidential uses.
³	Includes principal and accessory buildings, parking lots, access roads and other impervious surfaces. See § 218-6.3 for supplementary regulations.
⁴	Lots shown on a residential compound plan (as described in Chapter 381, Part 1, Subdivision of Land) endorsed by the Planning Board pursuant to the Subdivision Control Law may, upon the grant of a special permit by the Planning Board, reduce lot frontage to 50 feet.
⁵	For dimensions applicable to Town Center Overlay District developments, see § 218-7.3.
⁶	Maximum and minimum building setbacks may be waived by special permit from the Planning Board, where it finds such waiver to be harmonious with the intent of the district and the character and scale of the building's location.

Groton City Zoning Code

§ 218-6.2

Schedule of intensity regulations.

[Amended 4-26-2025 ATM by Art. 16]

	Minimum Lot Dimensions		Maximum Height			Minimum Building Setback
District	Area (square feet)	Frontage (feet)	Feet	Stories	Maximum Impervious Coverage (percentage)³	Max. or Min. Front (feet)	Min. Side (feet)	Min. Rear (feet)
R-A⁵	80,000¹	225⁴	35	3	25	50 min.	15	15
R-B⁵	40,000^1,2	175^2,4	35	3	25	50 min.	15	15
VCB⁵	10,000^1,2	150²	35	3	75	10⁶ max.	10⁶	10⁶
NB	20,000^1,2	150²	35	3	65	15⁶ max.	15⁶	15⁶
GB	40,000^1,2	175²	35	3	50	20⁶ max.	15⁶	15⁶
I	40,000²	175²	35	3	75	50 min.	15	15
O	—	—	35	3	25	50 min.	15	15
P⁵	40,000^1,2	175²	35	3	50	50 min.	15	15

NOTES:
¹	For planned multifamily/residential development, see § 218-9.3C. For age-restricted housing, see instead § 218-9.3B. For multifamily use by conversion, see instead § 218-9.3A. For flexible development, see § 218-9.1F(1). For hammerhead lots, see § 218-6.4. For MBTA Communities Multi-Family Overlay District development, see § 218-7.5.
²	No minimum for nonresidential uses.
³	Includes principal and accessory buildings, parking lots, access roads and other impervious surfaces. See § 218-6.3 for supplementary regulations.
⁴	Lots shown on a residential compound plan (as described in Chapter 381, Part 1, Subdivision of Land) endorsed by the Planning Board pursuant to the Subdivision Control Law may, upon the grant of a special permit by the Planning Board, reduce lot frontage to 50 feet.
⁵	For dimensions applicable to Town Center Overlay District developments, see § 218-7.3.
⁶	Maximum and minimum building setbacks may be waived by special permit from the Planning Board, where it finds such waiver to be harmonious with the intent of the district and the character and scale of the building's location.