Service of the notice shall be made by:
   (a)   Posting a copy upon the nonresidential structure;
   (b)   Causing it to be delivered to the owner;
   (c)   If the owner is not found, then by leaving a copy at his or her usual place of abode, with a member of his or her family over the age of fifteen years;
   (d)   If service pursuant to subsections (c) and (b) hereof cannot be had, then by sending a copy of the notice by certified mail, return receipt requested, to the last known address.
   Service of notice pursuant to subsections (a) and (d) hereof shall be deemed to have been made twenty-four hours after the posting and mailing thereof respectively.
(Ord. 68-1979.  Passed 3-5-79.)