The provisions of Section 17.52.130 shall not apply to any such vehicle which is parked while loading or unloading property therefrom, or in connection with the performance of a service to or on property in the immediate vicinity, nor shall they apply to any commercial vehicle, truck or trailer which is parked as a subordinate and accessory use in connection with the conduct of a lawful nonconforming business use established in such R district, or to a commercial vehicle or truck entitled to registration and licensing by the state as a “horseless carriage.”

    In the R-1-L-B-E district the provisions of Section 17.52.130 shall not prohibit the parking or use of a maximum of four commercial vehicles and/or equipment, regardless of weight rating, when used in conjunction with any use accessory to the residential use of a building site of five acres or more on which the vehicles and/or equipment are stored and used. (Prior gen. code § 8-60.17)