Cal. Ins. Code § 770.1
No person making a loan of money on the security of real property shall use or make available to any person information contained in a policy of fire or casualty insurance for the purpose of soliciting either type of insurance coverage if the borrower has filed with the lender a statement signed by the borrower that the policy information shall not be so used or made available. The statement may be included by the borrower in his or her letter of authorization designating an insurance agent or broker to the lender. The statement or letter of authorization shall be effective until superseded or revoked by the borrower. This section shall not apply to any person authorized or licensed to make loans pursuant to Division 7 (commencing with Section 18000), Division 9 (commencing with Section 22000), Division 10 (commencing with Section 24000), or Division 11 (commencing with Section 26000) of the Financial Code.
Ca. Ins. Code § 770.1