California Code, Government Code - GOV § 50993

(a) Upon request by the local agency, each short-term rental facilitator shall report, in the form and manner prescribed by the local agency, the physical address, including nine-digit ZIP Code, of each short-term rental during the reporting period.

(b) If the information provided by the short-term rental facilitator pursuant to subdivision (a) is not sufficient for the local agency to identify a specific short-term rental at the provided address, the local agency may request the following:

(c) Except as provided in subdivision (d), the reporting period in subdivision (a) may be no more frequently than in intervals of every 3 months within a 12-month period.

(d) The reporting period in subdivision (a) may be monthly if a local agency requires remittance of transient occupancy tax monthly.

(e) A local agency may make the failure of a short-term rental facilitator to report the information required by this section subject to an administrative fine or penalty pursuant to Section 53069.4.