Accessory private garages shall not be designed or utilized to rent parking spaces to persons living off the premises. Private garages or other accessory structures shall not be utilized for other than private uses unless otherwise authorized elsewhere in this chapter.

Not more than one parking space per dwelling unit may be rented to persons living off the premises in the case of single- or two-family dwelling uses, nor more than one parking space per each two dwelling units may be rented to persons living off the premises in the case of any other residence use.

Not more than one commercial vehicle shall be housed or parked in a private garage or off-street parking area. Such commercial vehicle shall not exceed a gross motor vehicle weight of 10,000 pounds or length of 25 feet; provided that there shall be no limitation on the number of agricultural vehicles permitted as accessory equipment to a farm use.