Such service shall be deemed to be properly served upon such owner if a copy thereof is delivered to the owner personally; or by leaving the notice at the usual place of abode, in the presence of someone in the family of suitable age and discretion who shall be informed of the contents thereof; or known address with return receipt requested; or if the certified or registered letter is returned with receipt showing that it has not been delivered, by posting a copy thereof in a conspicuous place in or about the structure affected by such notice.
(1999 Code, § 29-3-5)