The council shall cause notice of the hearing to be mailed to the owner of the real property subject to assessment for delinquent service fees not less than ten (10) days prior to the date of the hearing. For the purpose of this section, the owner of the property shall be conclusively deemed to be the person to which the property was assessed in the last equalized assessment roll of the county of Sacramento unless the director of finance shall have actual knowledge of the name of a person other than such assessee claiming ownership of such parcel of real property. The notice shall be mailed to the address of the owner as shown on the last equalized assessment roll or such other address of the owner as may be known by the director of finance. (Prior code § 55.05.508)