In any Residence B District as indicated on the Building Zone Map, no building or other structure shall be erected, altered or used and no land shall be used or occupied for any other purpose except one or more of the following:
Any use permitted in a Residence A-1 or A-2 District.
A two-family dwelling for two housekeeping units. A semidetached dwelling for two families, provided that there shall not be more than one family in each half of such dwelling.
Notwithstanding any other provision in the above paragraph, no building or other structure shall be erected, altered or used for residential purposes which shall accommodate or house more than four families. All four-family buildings or structures used for residential purposes shall be erected on a parcel of land containing not less than one acre in area and having not less than 150 feet of frontage on a street.
Lodging houses, provided that there is no display, sign or other advertising device visible from the street, whether illuminated or otherwise, other than a sign having an area of not more than 144 square inches. A public restaurant or dining room shall be permitted as an accessory use in any part of such building, provided that the dining room and kitchen facilities do not occupy more than 75% of the first-floor area of such building.
Clubs, lodges and social center buildings, except those whose chief activity is a gainful service or activity usually conducted as a business, including in such excepted uses dancing or bowling and like activities, provided that there is no display or advertising visible from the street other than that permitted in Subsection D of this section.
Hospitals, sanitariums or charitable institutions, except those for contagious diseases, for the care of epileptics or drug or liquor patients, for correctional purposes or for the care of the insane or feebleminded.
Private garages, provided that no business, service or industry is conducted therefrom or therein. Not more than one motor vehicle shall be kept for each 2,500 square feet of lot area, except that three vehicles may be kept, in any case, not more than one of which may be unregistered. Only one such vehicle may be a commercial vehicle of not more than 1 1/2 tons' weight of capacity. Space shall not be leased or rented for a commercial vehicle. No commercial vehicle shall be parked on a lot in the open. These space regulations shall apply to vehicles regularly left on the lot, whether housed or in the open.
Not more than one house trailer for each resident family may be kept on the premises. The trailer shall not be used for living quarters while so located. Space shall not be rented or leased for trailers.
A dwelling or lodging house shall not exceed 2 1/2 stories or 35 feet. Churches, schools, colleges, libraries, Town buildings, clubs, lodges, social center buildings, hospitals and such institutional buildings shall not exceed 50 feet in height. Chimneys, steeples and flag or radio poles are exempt from the height provisions.
Accessory buildings or structures, including private garages, shall not exceed 17 feet in height for a one- or one-and-one-half-story building. A two-story accessory building shall not exceed 25 feet in height.
No part of any building or other structure shall be erected or altered so as to be nearer to the street line of any street on which it faces than the nearest building on either side thereof facing on the same street and within the same block and zoning district, but in no case need the required setback be greater than 30 feet.
Where the alignment of a building is not controlled by the preceding subsection, no part of any building shall be placed within 20 feet of the street line.
No part of any garage, stable or other accessory building situated within 65 feet of any street line shall extend within 15 feet of any lot line intersecting such street which serves as a side lot line located in any residence district or within 15 feet of any street line.
On a corner lot, except as otherwise provided in this section, no part of any building shall be erected or altered so as to be less than 20 feet from any street line.
Existing open porches which are 15 feet or more from the street line may be enclosed on one or more sides with glazed enclosures.
Side yards. There shall be a side yard between a building and each side lot line. For a building of four stories or over 45 feet in height, it shall be not less than 25 feet in width in its least dimension; for a building of three stories or over 35 feet in height, it shall be not less than 20 feet wide in its least dimension; for one-, one-and-one-half-, two- or two-and-one-half-story buildings, the side yard shall be not less than 15 feet wide in its least dimension.
Rear yards. There shall be a rear yard on every lot between the principal building and the rear lot line. It shall be 20 feet deep in its least dimension. One-story accessory buildings shall be placed at least five feet from the rear lot line, and one-and-one-half- or two-story accessory buildings shall be placed not less than 10 feet from the rear lot line.
No lot shall have a frontage of less than 100 feet on a street or an area less than 12,000 square feet.
No principal building shall be erected or altered so as to cover more than 40% of the area of the lot on which it is located.