Cal. Sts. & High. Code § 10402.5

Upon the passage of the resolution provided for in subdivision (a) of Section 10312, the city clerk shall record a notice of assessment, as provided for in Section 3114, modified to reflect any annual assessment for administrative cost, whereupon the assessment shall attach as a lien upon the property assessed, as provided in Section 3115, except that the annual assessment for administrative cost shall become a lien at the same time as the property tax becomes a lien each year.