A private garage accessory to a principal building is permitted in any zone district.

Private garage space may be provided for not more than three motor vehicles accessory to a dwelling unit in a residential zone.

Except when actually engaged in connection with the pickup or delivery of goods or materials or in connection with construction or repairs, no commercial vehicle other than that of the owner or occupant shall be garaged, stored or parked in a residential zone. No more than one commercial vehicle shall be garaged, stored or parked on one lot.

No trucks, tractor-trailers, tractors (for use in pulling trailers) or trailers shall be parked, stored or garaged in any residential zone, provided however, that these provisions shall not be construed to prevent the delivery by the use of such vehicles to premises in the residential zones of merchandise, furniture or construction materials to be used in construction upon the premises.