No trailer, commercial coach, nor temporary building may be parked as per section 8.20.170 of this article on any subdivision premises for use as an office, warehouse, toolshed, or shelter for a night watchman unless it will be utilized in connection with a subdivision project which has been approved by the city and building permits have been issued for the project. Such trailer, commercial coach, or temporary building shall be removed within twenty four (24) hours of the final inspection of the last dwelling in the subdivision. (Prior code § 66403)