A. 
No building or structure hereafter erected shall be located on a lot having less than the minimum requirements set forth in the Table of Dimensional Requirements located at the end of this chapter in Appendix A.[1]
(1) 
Not more than one dwelling shall be located upon any such lot, except in the case of multiple dwellings as provided in § 199-9.2 of this chapter.
(2) 
In the case of public, institutional, commercial or industrial buildings, a group of buildings under the same ownership may be considered as occupying the same lot.
(3) 
No existing lot shall be changed as to size or shape so as to result in a violation of the requirements set forth in the Table of Dimensional Requirements.[2]
[2]
Editor's Note: Said table is included as an attachment to this chapter.
(4) 
It will be understood that no lot will be considered adequate until it is first ascertained by the Board of Health through its proper agent by percolation tests, etc., that proper drainage and sewage disposal can be installed and maintained.
(5) 
No height maximums will be given for buildings in industrial districts. However, these heights will be decided by the administrators of this chapter after consultation with the parties concerned.
(6) 
An existing lot or parcel of land having an area or a frontage of lesser amount than are required by this table may be considered as coming within the area and frontage requirements of this section if it complies with the provision of MGL c. 40A, § 6, as amended.
(7) 
All measurements for depth of front yards will be from the right-of-way line where a plan of the way is on file with the Registry of Deeds or, in the absence of such a plan, from a line 25 feet from and parallel to the center line of the traveled way.
(8) 
The limitation on the height of a building shall not apply in any districts to chimneys, ventilators, towers, spires, air-conditioning equipment or any ornamental features customarily attached to a roof and accessory to the use of the building.
(9) 
If a building which is to be used for industry is to be built adjacent to a residence or a lot located in a residential area, the front and side yard dimensions will be a minimum of 50 feet, with the first 20 feet made up of lawn, shrubbery and evergreen trees to form a continuous natural screen. The same will apply to the rear yard dimensions when it is adjacent to a residence or lot in a residential district. If any part of the residence or residential area is being used as a business, the side and rear yard dimensions necessary for the above-mentioned building will not be less than 15 feet.
(10) 
If a building which is to be used for business is to be built on a lot adjacent to a residence or a lot located in a residential area, the side yard dimensions will be not less than 15 feet. The same will apply to the rear yard dimensions when the building to be built is adjacent to a residence or a lot in a residential area.
[1]
Editor's Note: Appendix A is included as an attachment to this chapter.
No accessory building or structure shall be located within the required front yard area. No accessory building shall be located in any side yard area nearer to the side lot line than 10 feet or in a rear yard area nearer to the rear lot line than 10 feet. Lots located on the corner of the street, road, avenue, terrace or public way will require that no accessory building shall be located in any side yard area nearer to the side lot line than 25 feet. Note: Addition of a private detached garage must be 10 feet off the main structure.
A continuous strip not less than six feet wide shall be maintained between the street line and the balance of the lot in all rural business districts, which strip shall be suitably landscaped and maintained in good appearance. This strip may be traversed by not more than two driveways, except that there may be one additional driveway for each additional 200 feet of frontage in excess of 200 feet. Unless otherwise approved by the Planning Board, driveways shall be not less than 20 feet nor more than 30 feet in width, measured at and parallel to the street line.
On any corner lot, there shall be no building, structure, fence, shrubbery or planting such as will obstruct street traffic visibility within the triangular area formed by the corner and the points 20 feet back from the corner.