A. Permitted uses are as follows:

(1) All uses permitted in residential districts.

(2) Boat livery, cemetery, children's camp, golf course, private nonprofit membership club, public utility, riding stable, ski tow.

(3) Hospital, nursing home, home for the aged.

(4) Private school, nursery or kindergarten.

(5) Veterinarian, animal hospital, dog kennel.

(6) Dwelling on the premises for a night watchman or janitor.

(7) Cafeteria on the premises for use by employees and not for the general public.

B. Uses permitted up to fifty thousand (50,000) square feet are as follows:

(1) Private garage or parking for more than three (3) cars or more than one (1) truck or other commercial vehicle.

(2) Indoor recreation, athletic or exercise facility; theater for cultural arts.

(3) Sale or storage of fuel, lumber, building materials and equipment, contractor's yard.

(4) Retail sales and services which do not involve manufacturing on the premises.

(5) Retail sales and services involving manufacturing of products, the majority of which will be sold on the premises to consumers, with not more than four (4) persons engaged in manufacturing operations.

(6) Newspaper, job printing and publishing.

(7) Office, bank, office building.

(8) Hotel or motel, restaurant (excluding drive-through food service establishments).

(9) Clinic or medical testing laboratory.

(10) Automotive service, gasoline station or repair garage, automotive sales.

C. Uses requiring a special permit are as follows:

(1) All uses permitted in Subsection B that exceed fifty thousand (50,000) square feet.

(2) Accessory apartment.

(3) Conversion of one-family house in existence for two (2) years or longer to a two-family dwelling, on a lot with a minimum of fifteen thousand (15,000) square feet.

(4) Mobile home or travel trailer used as a dwelling or business quarters for more than thirty (30) days in a year.

(5) Multifamily housing for the elderly, owned by a public or nonprofit community housing organization.

(6) Major residential development. (Note: Special permit from the Planning Board.)

(7) Multifamily dwellings, if within a major residential development.
(Note: Special permit from the Planning Board.)

(8) (Reserved)

(9) Wholesale distribution and storage within a building, other than a solid waste transfer business; warehousing (excluding trucking terminals with through shipping).

(10) Hazardous waste storage and disposal facilities, other than small generators, as defined by the Environmental Protection Agency and the Commonwealth of Massachusetts, except that a special permit may be issued for such a facility upon approval by the appropriate federal and state agencies, review and comment by the Southborough Board of Health, Conservation Commission, Planning Board and Fire and Police Chiefs, following a duly advertised public hearing and in accordance with the Hazardous Waste Facilities Siting Law.

(11) (Reserved)

(12) Scientific research and development, including manufacturing, instruction and other activities clearly incidental thereto, and with direct access to an arterial street, as defined by the Town of Southborough Planning Board.
(13) Light manufacturing, fabrication, assembly and processing utilizing electric or other similar quiet motive power and processes and generating no adverse impacts on the neighborhood and the properties therein.

D. Prohibited uses. All uses which are not listed above, legally nonconforming or otherwise allowable by the provisions of the zoning regulations are prohibited.

E. Development standards are as follows:

(1) Minimum lot area: forty-three thousand five hundred sixty (43,560) square feet [minimum, twenty thousand (20,000) square feet exclusive of wetlands].

(2) Minimum frontage: two hundred (200) feet.

(3) Minimum setbacks:

(a) Front: fifty (50) feet; seventy-five (75) feet if on Route 9.

(b) Rear: fifty (50) feet.

(c) Side: fifty (50) feet.

(d) Other street: twenty-five (25) feet; thirty-seven and one-half (37.5) feet if on Route 9.

(4) Maximum height: forty-five (45) feet, three (3) stories.

(5) Maximum floor area ratio: sixty-hundredths (.60).

(6) Residential dwellings. Residential dwellings in the ID District must comply with the standards of the RB District.