Except as provided in Section 5473.8, the amount of the charges shall constitute a lien against the lot or parcel of land against which the charge has been imposed as of noon on the first Monday in March immediately preceding the date of levy.
Source:
Section 5473.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=5473.5..