§ 17.20.040. Table of dimensional requirements—Explanatory notes.
A.
Table of Dimensional Reqirements.
District Maximum floor area ratio Minimum lot size (sq. ft.) Minimum lot area per D.U.(sq. ft.)
Minimum yard linear feet Minimum lot frontage and lot width feet Green area open space per D.U. (sq. ft.) Maximum number of stories
Front Side Rear RES. A None 7,650 7,650 25 13 20 85 None 2-½ RES. B 1-3 units 0.5 6,750 2,500 25 13 25 75 500 3 4-5 units 0.5 6,750 3,500 25 25 25 75 700 3 6-16 units 0.5 6,750 4,500 25 25 25 75 700 3 17 units and up 0.5 6,750 4,500 25 25 25 75 700 3 RES. C 1.0 14,000 2,000 ½ the height of the building but in no case less than 25 100 400 6 RES. D 2.0 42,000 2,500 1/3 the height of the building but in no case less than 40 100 100 6 BUS. A2,5 0.75 5,000 None 15 15 15 40 None 3 BUS. B2,5 1.5 5,000 None 15 15 20 60 None 4 BUS. C2,5 3.5 5,000 None None None 20 60 None 6 IND. A 1.0 None None 25 25 25 50 None 4 IND. B 2.0 None None 25 25 25 50 None 8 B.
Explanatory Notes.
1.
In Residence A districts buildings shall be set back so as to conform to the average alignment of dwellings already erected on the same side of the street within three hundred feet on each side of the lot, except that no building shall be set back less than twenty-five feet and no building shall be set back more than fifty-five feet.
2.
Multifamily residence and mixed use of a building are permitted within a Business A and B district with the issuance of a special permit in accordance with the standards and procedures of Sections 17.04.170 through 17.04.200 by the zoning board of appeals. Residential buildings and uses within Business A districts obtaining special permits, as provided herein, shall conform to all requirements of Residence B districts. Residential buildings and uses within Business B districts obtaining special permits, as provided herein, shall conform to all the requirements of Residence C districts. Multifamily residences and mixed use of a building are permitted within a Business C district; provided, that residential buildings and uses within a Business C district have a maximum FAR of three and five tenths, minimum lot size of forty-two thousand square feet, minimum lot area per dwelling unit of three hundred twenty-five square feet, minimum front, rear and side yards of one quarter the height of the building, minimum lot frontage and lot width of one hundred feet and minimum open space per dwelling unit of one hundred square feet. The site plans of buildings containing twelve units or more must be reviewed by the planning board.
3.
Applies only to buildings hereafter constructed.
4.
Notwithstanding the number of allowable stories, no residential building shall be more than sixty feet above the existing average grade exclusive of those necessary features appurtenant thereto as enumerated in Section 17.20.080, except for buildings in a PUD or PUD 1 district and commercial buildings where the height shall not be more than eighty feet above existing average grade. In no case shall any building exceed six stories except for those buildings in a PUD or PUD 1 district. Any commercial building with residential housing will be subject to the six-story above-grade limitation. These amendments shall not apply to any building for which a permit to construct foundations was issued prior to January 1, 1987.
5.
Notwithstanding any provisions in the zoning by-law to the contrary, the minimum lot area per dwelling unit is two thousand five hundred square feet for residential uses as may be permitted in other districts, including Business A, B and C.
(Ord. 99-106; Ord. 97-332; prior code Ch. 24, § 52)