(a) Method of Service. The order to repair shall be served upon all persons entitled thereto, either personally or by certified mail, postage prepaid, return receipt requested, at the address of such persons as the same appears either on the last equalized assessment roll of the County, or as known to the City Engineer, or as disclosed in any search of title. If no such address appears, or is disclosed, or is known to the City Engineer, then a copy shall be addressed to such person at the lot or parcel involved in the proceedings. The failure of any owner or other person to receive such notice shall not affect in any manner the validity of any proceedings taken hereunder. (Amended by Ord. No. 181,595, Eff. 4/10/11.)
(b) Affidavit of Service. The officer or employee of the Department of Public Works, upon giving notice as provided herein, shall file an affidavit thereof with the board certifying to the time and manner in which such notice was given. He shall also file therewith any receipt card which may have been returned to him in acknowledgement of the receipt of such notice by certified mail.