Lost & Found

While Tri Delta Transit is not responsible for items left on the bus, we do our best to help passengers relocate lost items. This is done through our Lost & Found Department.

If you lost an item on a Tri Delta Transit bus, use this form to report a lost item and receive a return email confirming receipt of your claim. If you'd rather report a lost item by phone, please call (925) 754-6622.

All items turned in to Lost & Found are kept for a period of 30 days. Perishable items and those of safety concern will not be stored.

To retrieve an item from Lost & Found, you must come to Tri Delta Transit’s administrative office located at 801 Wilbur Avenue, Antioch. Found items will not be returned by mail. Office hours are Monday - Friday 8:00 am 5:00 pm. Closed weekends and holidays.


  • For safety and security reasons, drivers will not be contacted by radio or cell phone to check for items lost on the bus. If the item is found, the driver will turn it into Lost & Found at the end of their shift
  • Don't report the same lost item more than once. Repeated claims by web and/or phone will delay returns.
  • Be specific and provide as much detail as you can when describing your item.
  • We will contact you only if a match is found for your claimed item. It may take several days for us to match your item, retrieve it and contact you. If we don't contact you within two weeks, unfortunately it means that your item wasn't recovered.

Lost and Found Request

Information on this website can be provided to you in a variety of accessible formats in addition to the translation feature, such as diskette/CD, audio tape, braille, or large print. If you need any written information provided to you in one of these accessible formats, please contact us at 1-925-754-6622 and ask for the Customer Service Department.