San Diego County Refunds Available: Check Lists Now San Diego County Treasurer-Tax Collector sent this bulletin at 07/12/2018 02:00 PM PDT Having trouble viewing this email? View it as a Web page. We May Have Your Money. Claim It Now! The County of San Diego has $441,000 worth of unclaimed money that we want to give back to its rightful owners! The deadline to claim the money is September 7. Click the button below to see if your name is on the list. To receive an email when new refund lists are published, please sign up for our "New Unclaimed Money" e-notification by clicking here.