No building shall be erected, altered or repaired within the city, nor shall any excavation preliminary thereto commence, unless a building permit has been obtained from the Building Commissioner. No person shall begin any work for which a building permit is required or begin any work or excavation in preparation for the work until a building permit has been obtained. It shall be the responsibility of all workers and persons furnishing materials to ascertain that a building permit, where one is required, has been properly issued before commencing work or delivery of materials.
(Prior Code, § 150.045) (Ord. 1837, passed 7-13-1959; Ord. 2089, passed 12-23-1968; Ord. 2330, passed 4-27-1976; Ord. 2332, passed 4-27-1976) Penalty, see § 150.999