(a) Front yard.
(1) There shall be a front yard having a depth of not less than 25 feet, except as required for arterial and collector streets in Article 29 of this Title.
(2) Where a lot or group of lots have a double frontage, the required front yard shall be provided on both streets.
(3) Where a lot is located at the intersection of two or more streets, there shall be a front yard on each street side of a corner lot; provided, however, that the buildable width of a single lot of record, as of the effective date of this Title, shall not be reduced to less than 35 feet.
(4) Where a principal or accessory building existing as of the effective date of this Title, encroaches upon the required 25 foot front yard, and where the building is on a single lot of record, as defined in the definitions section of this Title, established prior to the effective date of said Title and having an area of not more than 7,500 square feet, an addition to said building shall be permitted, provided the addition does not encroach further into the required front yard than the furthest projection of said building, and providing that said addition represents not more than 50% of the lot coverage of the existing building.
(b) Side yard.
(1) There shall be a side yard building setback which shall be one-third the height of the principal building or 10% of the width of the lot, whichever is the greater, with a minimum of five feet, and a maximum required setback of 15 feet. A roof overhang of one foot into the required side yard setback area is permitted; unless otherwise prescribed and/or approved by the Planning Commission.
(2) Where more than one principal building is constructed on a tract for hospital use, nursing home use, church use, school use, and other public uses, the spacing between principal buildings shall not be less than the average height of the adjacent buildings.
(3) Where a principal or accessory building existing as of the effective date of this Title, encroaches upon the required side yard, and where the building is on a single lot of record, as defined in the definitions section of this Title, established prior to the effective date of said Title and having an area of not more than 7,500 square feet, an addition to said building shall be permitted, provided the addition does not encroach further into the required side yard than the furthest projection of said building, and providing that said addition represents not more than 50% of the lot coverage of the existing building.
(c) Rear yard. There shall be a rear yard having a depth of not less than 25 feet.