Such notice shall be deemed to be properly served if a copy thereof is:
(a)   Delivered personally;
(b)   Sent by certified or first-class mail addressed to the last known address; or,
(c)   If the notice is returned showing that the letter was not delivered, a copy thereof shall be posted in a conspicuous place in or about the structure affected by such notice.
      (Ord. 2012-34.  Passed 3-28-12.)