When service of a notice to abate is required, the following methods of service shall be deemed adequate:
(A) By personal service upon the owner or other responsible party of the property upon which the nuisance exists, or upon the person or persons causing or maintaining the violation; and/or
(B) If, after reasonable effort, personal service cannot be made, any two of the following methods of service shall be considered adequate:
(1) Sending the notice by certified mail, return receipt requested to the last known address;
(2) Publishing the notice once a week for two consecutive weeks in a newspaper of general circulation in the city; or
(3) By posting the notice in a conspicuous place on the property or building deemed as nuisance.
(Title VI, Ch. 6, § 3.02) Penalty, see § 154.99