Dimensional regulations table

The following table contains minimum lot areas, lot widths and front, rear and side yards, maximum lot coverage and height of structures for each zoning district:

	Minimum Lot Dimensions and Building Setbacks					Maximum Building Coverage and Height
	Lot Area	Lot Width	Front Yard	Rear Yard	Side Yard, each side	Bldg. Coverage	Height, main bldg.
Uses in R-30 Residential District
Single-family dwelling	30,000 SF	150 ft	30 ft	30 ft	20 ft	15%	35 ft
Conservation Development - single-family dwelling	See Article XXVI
Two-family dwelling	40,000 SF	150 ft	30 ft	50 ft	20 ft	20%	35 ft
Conservation Development - two-family dwelling	See Article XXVI
Three-family dwelling	40,000 SF	150 ft	30 ft	50 ft	20 ft	20%	35 ft
Conservation Development three-family dwelling	See Article XXVI
Multi-family structure or apartment house (4 or more units), with public water and sewer	40,000 SF plus 15,000 SF for each unit above 2 units, plus 7,500 SF for each additional bedroom over 2 bedrooms per unit	150 ft	40 ft	50 ft	30 ft	20%	35 ft
Conservation Development - multi-family structure or apartment house (4 or more units), with public water and sewer	See Article XXVI
Convalescent, rest or nursing home; retirement residence/assisted living facility	3 acres	200 ft	40 ft	60 ft	30 ft	25%	35 ft
Uses allowed under Article IV, Section 3, Farming or raising of animals	40,000 SF	150 ft	40 ft	50 ft	30 ft	15%	35 ft
Public, semi-public and recreation uses	60,000 SF	175 ft	40 ft	60 ft	30 ft	20%	35 ft
Other permitted or special uses	30,000 SF	120 ft	35 ft	40 ft	20 ft	20%	35 ft
Uses in R-40 Residential District
Single-family dwelling	40,000 SF	150 ft	40 ft	40 ft	25 ft	15%	35 ft
Conservation Development - single-family dwelling	See Article XXVI
Convalescent, rest or nursing home; retirement residence/assisted living facility	3 acres	200 ft	40 ft	60 ft	30 ft	25%	35 ft
Commercial raising of animals or fowl	100,000 SF	200 ft	40 ft	60 ft	50 ft	10%	35 ft
All other uses allowed under Article IV, Section 3, Farming or raising of animals	40,000 SF	150 ft	40 ft	60 ft	30 ft	15%	35 ft
Public, semi-public and recreation uses	60,000 SF	175 ft	40 ft	60 ft	30 ft	20%	35 ft
Other permitted or special uses	40,000 SF	150 ft	40 ft	60 ft	30 ft	15%	35 ft
Uses in R-60 Residential District
Single-family dwelling	60,000 SF	175 ft	40 ft	60 ft	30 ft	15%	35 ft
Conservation Development - single-family dwelling	See Article XXVI
Two-family dwelling	60,000 SF	175 ft	40 ft	60 ft	30 ft	20%	35 ft
Conservation Development - two-family dwelling	See Article XXVI
Three-family dwelling	60,000	175 ft	40 ft	60 ft	30 ft	20%	35 ft
Conservation Development - three-family dwelling	See Article XXVI
Multi-family structure or apartment house (4 or more units), with public water and sewer	60,000 SF plus 15,000 SF for each unit above 2 units, plus 7,500 SF for each additional bedroom over 2 bedrooms per unit	175 ft	40 ft	60 ft	30 ft	20%	35 ft
Conservation Development - multi-family structure or apartment house (4 or more units), with public water and sewer	See Article XXVI
Convalescent, rest or nursing home; retirement residence/assisted living facility	3 acres	200 ft	40 ft	60 ft	30 ft	25%	35 ft
Commercial raising of animals or fowl	100,000 SF	200 ft	40 ft	60 ft	50 ft	10%	35 ft
All other uses allowed under Article IV, Section 3, Farming or raising of animals	60,000 SF	175 ft	40 ft	60 ft	30 ft	15%	35 ft
Public, semi-public and recreation uses	60,000 SF	175 ft	40 ft	60 ft	30 ft	20%	35 ft
Other permitted or special uses	60,000 SF	175 ft	45 ft	80 ft	35 ft	15%	35 ft
Uses in R-120 Residential District
Single-family dwelling	120,000 SF	200 ft	50 ft	80 ft	35 ft	10%	35 ft
Conservation Development - single-family	See Article XXVI
Convalescent, rest or nursing home; retirement residence/assisted living facility	3 acres	200 ft	50 ft	100 ft	35 ft	25%	35 ft
Commercial raising of animals or fowl	120,000 SF	200 ft	50 ft	100 ft	35 ft	10%	35 ft
All other uses allowed under Article IV, Section 3, Farming or raising of animals	120,000 SF	200 ft	50 ft	100 ft	35 ft	15%	35 ft
Public, semi-public and recreation uses	120,000 SF	200 ft	50 ft	100 ft	35 ft	20%	35 ft
Other permitted or special uses	120,000 SF	200 ft	50 ft	100 ft	35 ft	10%	35 ft
Uses in VC Commercial District
Any permitted or special use	12,000 SF	100 ft	20 ft	10 ft	10 ft	25%	35 ft
Uses in GC Commercial District¹
Any permitted or special use	12,000 SF	100 ft	0 ft	20 ft	0—20 ft ²	50%	50 ft
Commercial raising of animals or fowl	100,000 SF	200 ft	40 ft	60 ft	50 ft	10%	35 ft
Public, semi-public and recreation uses	12,000 SF	100 ft	50 ft	20 ft	20 ft	25%	40 ft
Uses in HC Commercial District
Any permitted or special use	20,000 SF	120 ft	40 ft	50 ft	20 ft	25%	40 ft
Public, semi-public and recreation uses	20,000 SF	120 ft	50 ft	20 ft	20 ft	25%	35 ft
Uses in W1 & W2 Waterfront District^{1, 3}
Any permitted or special use without both public water and sewer	20,000 SF	80 ft	10 ft	10 ft	10 ft	25%	35 ft
Any permitted or special use with both public water and sewer	10,000 SF	80 ft	10 ft	10 ft	10 ft	25%	35 ft
* The dimensional standards applied to any particular development within the Waterfront District are also subject to the requirements of the Coastal Resources Management Council (CRMC) as appropriate.
Uses in I Industrial District¹
Any permitted or special use	40,000 SF	150 ft	40 ft	60 ft	35 ft	50%	40 ft
Uses allowed under Section 3, Farming or raising of animals	40,000 SF	150 ft	40 ft	60 ft	35 ft	15%	35 ft
Public and semi-public uses	20,000 SF	120 ft	40 ft	50 ft	20 ft	25%	40 ft
Uses in NB Neighborhood Business District⁴
Any permitted or special use	12,000 SF	75 ft	10 ft ⁵	20 ft ⁶	5 ft ⁶	25%	Roof pitch: ≥8:12=35' <8:12=25'
Uses in PFD Pedestrian Friendly Destination District⁴
Any permitted or special use	12,000 SF	75 ft	10 ft ⁵	20 ft ⁶	5 ft	25%	Roof pitch: ≥8:12=35' <8:12=25'
Uses in TMS Traditional Main Street District⁴
Any permitted or special use	10,000 SF	40 ft	0—10 ft Max.	35 ft	0 ft	80%	Roof pitch: ≥8:12=35' <8:12=25'

- 1 For residences in a GC, W or I District, the dimensional regulations of the nearest residential district shall apply.
- 2 Minimum set back alongside street is 0 feet; minimum setback where side yard abuts a residential zone is 20 feet; minimum setback between commercial lots must meet all applicable building codes as well as the Uniform Fire Code of RI.
- 3 The dimensional standards applied to any particular development within the Waterfront District are also subject to the requirements of the Coastal Resources Management Council (CRMC) as appropriate.
- 4 For residences in a NB, PFD and TMS District, the dimensional regulations of the nearest residential district shall apply.
- 5 Setback required for improved pedestrian circulation on the ground level; overhanging and cantilevered upper stores are allowed to the edge of the lot line to form covered walkways. In all cases, 3' minimum planted buffer.
- 6 When adjacent to another commercial property, setback can be zero to allow party walls; when adjacent to residential, the setback minimums are required.

(Ord. of 5-13-96; Ord. of 4-23-01(1); Ord. of 11-23-09; Ord. of 7-9-18; Ord. No. 2024-0008, 6-24-24; Ord. No. 2025-0001, § 5, 2-24-25)