California Code, Fish and Game Code - FGC § 4180

(a) Except as provided for in Section 4005, fur-bearing mammals that are injuring property may be taken at any time and in any manner in accordance with this code or regulations made pursuant to this code.  Raw furs, as defined in Section 4005, that are taken under this section, shall not be sold.

(b) Traps used pursuant to this section shall be inspected and all animals in the traps shall be removed at least once daily.  The inspection and removal shall be done by the person who sets the trap or the owner of the land where the trap is set or an agent of either.