Cal. Rev. & Tax. Code § 648

If any city or lighting, water, or irrigation district makes a written request for a description of all property within its limits that is on the unsecured roll, its assessed value, the location of property as reported on a property statement filed pursuant to Section 441, and the name and address, by street and number, of each owner, the assessor shall comply with the request on the first Monday in each month. For purposes of this section, any property assessed pursuant to Section 623 is deemed to be located at the taxpayer’s primary place of business within the county.