Not all is lost yet...I have had some very nice dealings with the San Fernando Police Department over the years involving getting a card back. They are usually very helpful and since you have his address, name, and phone number, they may be able to help. You can email or call the Police Department at the following numbers/addresses.
Phone: 818-898-1267
Email:
cop@ci.san-fernando.ca.us
BTW, this loser's address is literally within walking distance of the Police Department and Courthouse.