Proper service of said notice and resolution shall be by personal service upon the person owning the property as such person's name and address appears on the last equalized assessment roll, if he is found within the city limits, or if he is not to be found within the city limits, by depositing a copy of said notice and resolution in the U.S. post office properly enclosed in a sealed envelope and with the posting thereon fully prepaid. Said mail shall be registered or certified and addressed to said owner at the last known address of said owner. The service is complete at the time of deposit. (Ord. 9907 § 2 (part), 1999)