Cal. Harb. & Nav. Code § 523
(a) A peace officer, as described in Section 663, or a lifeguard or marine safety officer employed by a county, city, or district while engaged in the performance of official duties, may remove a vessel from, and, if necessary, store a vessel removed from, a public waterway under any of the following circumstances:
(c)
(1) A peace officer, as described in Section 663, or marine safety officer employed by a city, county, or district, while engaged in the performance of official duties, may remove a vessel from, and, if necessary, store a vessel removed from, public property within the territorial limits in which the officer may act, in either of the following circumstances: