Chapter 18.25
BULK AND AREA REGULATIONS
FOR ALL ZONES

Sections:

18.25.010    Applicability to primary uses.

18.25.020    R-40 zone.

18.25.030    R-20 zone.

18.25.040    R-20A zone.

18.25.010 Applicability to primary uses.

The minimum bulk and area regulations set out in this chapter shall be applicable to the primary uses permitted in the residential zones. [Ord. 212 § 5, 1988]

18.25.020 R-40 zone.

(1) Minimum lot size: 40,000 square feet.

(2) Minimum front lot line setback: No closer to the front lot line than the stringline setback or, in the absence of dwellings on the two adjacent lots, 25 percent of the depth of the lot, but no less than 125 feet.

(3) Minimum rear lot line setback: Not less than 25 percent of the depth of the lot.

(4) Minimum side lot line setback: Not less than 10 percent of the width of the lot, and in no instance less than 10 feet.

(5) Maximum gross floor area ratio:

Lot Area

GFAR

0 – 20,000 sq. ft.

.25

20,001 – 40,000 sq. ft.

5,000 sq. ft. plus .15 of lot area over 20,000 sq. ft.

40,001 – 100,000 sq. ft.

8,000 sq. ft. plus .10 of lot area over 40,000 sq. ft.

Over 100,000 sq. ft.

14,000 sq. ft. plus .05 of lot area over 100,000 sq. ft.

The maximum gross floor area ratio is subject to the following conditions:

(a) The primary structure may not exceed the larger of 12,000 square feet or 0.75 of the allowable gross floor area (GFA).

(b) The GFA of any structure located within 25 feet of the primary structure shall be included in the GFA of the primary structure.

(6) Maximum height of building: An inward sloping line at 45 degrees from the vertical beginning at a point 15 feet above the intersection of the original grade and the minimum side yard setback lines but not to exceed 30 feet above an original grade reference line nor a height of 36 feet above the finish grade measured from any point of contact of the finish grade with the building wall, deck, porch or veranda structure to the highest point of the building structure (see illustration, Appendix B1). [Ord. 380 § 1, 2000; Ord. 304 § 4, 1996; Ord. 253 § 2, 1992; Ord. 246 § 4, 1991; Ord. 212 § 5, 1988]

18.25.030 R-20 zone.

(1) Minimum lot size: 20,000 square feet.

(2) Minimum front lot line setback: 40 feet, except in the case of a waterfront lot, where such distance shall be as defined by a building line where such line has been established by a plat or subdivision approved by the town.

(3) Minimum rear lot line setback: 35 feet.

(4) Minimum side lot line setback: 10 feet.

(5) Maximum gross floor area: the greater of either 5,200 square feet or a gross floor area ratio of 0.25.

(6) Maximum building height:

(a) Maximum building height shall be measured by an inward sloping line at 45 degrees from the vertical beginning at a point 15 feet above the intersection of the original grade and the minimum side yard setback lines but not to exceed 26 feet above an original grade reference line nor a height of 32 feet above the finish grade measured from any point of contact of the finish grade with the building wall, deck, porch or veranda structure to the highest point of the building structure (see illustration, Appendix B2).

(b) The maximum building height may be extended to 30 feet above an original grade reference line or 36 feet above the finish grade, provided an additional setback measured from an inward sloping line 45 degrees from the vertical beginning at a point 15 feet above the intersection of the original grade and the minimum setback line on the addressed side of the property is incorporated into the project design.

(7) Eaves or roof overhangs up to 18 inches in depth are permitted within the setback areas. [Ord. 421 § 2, 2003; Ord. 304 § 5, 1996; Ord. 271 § 2, 1994; Ord. 246 § 4, 1991; Ord. 212 § 5, 1988]

18.25.040 R-20A zone.

(1) Minimum lot size: 12,000 square feet.

(2) Minimum front lot line setback: 30 feet.

(3) Minimum rear lot line setback: 35 feet.

(4) Minimum side lot line setback: 10 feet.

(5) Maximum gross floor area:

(a) The maximum gross floor area for lots equal to or less than 14,800 square feet is 0.35.

(b) The maximum gross floor area for lots greater than 14,800 square feet is the greater of either 5,200 square feet or a gross floor area ratio of 0.25.

(6) Maximum building height:

(a) Maximum building height shall be measured by an inward sloping line at 45 degrees from the vertical beginning at a point 15 feet above the intersection of the original grade and the minimum side yard setback lines but not to exceed 26 feet above an original grade reference line nor a height of 32 feet above the finish grade measured from any point of contact of the finish grade with the building wall, deck, porch or veranda structure to the highest point of the building structure (see illustration, Appendix B2).

(b) The maximum building height may be extended to 30 feet above an original grade reference line or 36 feet above the finish grade, provided an additional setback measured from an inward sloping line 45 degrees from the vertical beginning at a point 15 feet above the intersection of the original grade and the minimum setback line on the addressed side of the property is incorporated into the project design.

(7) Eaves or roof overhangs up to 18 inches in depth are permitted within the setback areas. [Ord. 516 § 1, 2015; Ord. 421 § 3, 2003; Ord. 304 § 6, 1996; Ord. 271 § 2, 1994; Ord. 246 § 4, 1991; Ord. 212 § 5, 1988]