Lost something in Discovery Bay? Report it and we'll connect you with local authorities.
One report to the Contra Costa Sheriff, Discovery Bay Town Office, and local community channels. Your report stays active, automatically cross-checking new found item posts and community alerts so you don't have to.
What did you lose?
If there isn’t an adequate suggestion, select “Other – My item isn’t listed” and enter the item’s category. You can provide details later.
Publishing your report is free and your details stay private. The assisted search is a separate paid service, described in the Terms.
Recent activity
California : found property must be held by law enforcement for at least 90 days before it can pass to the finder, be auctioned or disposed of. (California Civil Code §2080.2)
Across the United States
- Wrislet clutch gray/silver bag with documents · Chicago, IL, October 8
- Ring TM on top · Greensboro, NC, October 8
- Keys · Sarasota, FL, October 8
- Keys · Brookline, MA, October 7
- Camera · Monterey, CA, October 7
Local contact details reviewed on October 7, 2026.
How ReportLost Works
You report what you've lost
Tell us exactly what went missing, where, and when. We gather the details needed for an official report and alert without you having to contact each office separately.
We route it to the right places
Your report goes straight to the Contra Costa Sheriff's Office, Discovery Bay Town Office, local transit lost and found, and active community groups. We make sure every relevant channel knows about your loss.
Your report keeps searching for a match
For your entire search period, your report automatically stays matched against new found item alerts, community posts, and local listings. You'll get notified if a credible match surfaces, so you can focus on your day instead of refreshing sites daily.
Where to report lost items in Discovery Bay
Whether you handle it yourself or let ReportLost do the outreach, here's what each channel covers.
Contra Costa Sheriff's Office
The Sheriff handles lost and found reports for Discovery Bay and unincorporated Contra Costa County areas. You can file a report in person or by phone. We identify which jurisdiction covers your loss location and generate the exact details you'll need for your report.
Discovery Bay Town Office
The Town of Discovery Bay administrative office can assist with lost and found inquiries and directs you to the appropriate local service. We help you know which desk handles your specific loss.
Public Transit Lost & Found
Items left on Discovery Bay Fixed Route buses are collected and held at the main office. Report directly to the transit system; items are typically kept for 30 days. We can point you to the right transit contact based on which bus line.
Lost pet?
If you've lost a cat or dog, contact Contra Costa Animal Services immediately. Bring proof of ownership when you visit. Pets posted online also spread fast through local community groups, giving your companion the highest visibility. file a priority lost pet report
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Ready to report your loss?
Filing your report today ensures it reaches the right local offices quickly and stays active in your search. The sooner you submit, the sooner the community and authorities can help.
Report my lost item →Discovery Bay's waterfront charm comes with the usual challenge: losing a wallet at the marina, leaving your phone at a local shop, or misplacing keys during a walk along the lake. When it happens, you're facing a scattered system: the Sheriff's Office handles some reports, the Town Office manages others, local Facebook groups operate independently, and the transit lost and found keeps items for only 30 days.
ReportLost simplifies this. Instead of calling multiple offices, posting across different groups, and checking back every day, you file one report with us. We notify the Contra Costa Sheriff, Discovery Bay Town Office, bus lost and found, and community channels automatically, then keep your report actively searching for a match throughout your chosen search period. It's faster, less stressful, and gives your lost item the best chance of coming home.
Neighborhoods and locations in Discovery Bay
People lose items across the whole community. Here are the main areas where losses are frequently reported.
Downtown Discovery Bay & Willow Lake Road
The commercial heart of town, home to shops, offices, and the Town Hall. Busy foot traffic means items left here have a good chance of reaching lost and found offices.
Marina and waterfront areas
Discovery Bay's boating and fishing hub. Wallets, phones, and keys go missing on boats and docks regularly. Check with local marinas and waterfront businesses.
Residential neighborhoods and parks
Items lost during walks, outings, or neighborhood events are often spotted by residents and posted in community groups.
Local retail and shopping centers
Common spots for lost wallets, purses, and phones. Most businesses have their own lost and found counters, and we alert them when you file.
Community groups and local networks
These active channels post found items and missing alerts daily. Your ReportLost report reaches them automatically.
Facebook group for lost and found pets in Discovery Bay, Brentwood, and surrounding areas
Main Facebook community group for Discovery Bay news, discussion, and local alerts
Neighborhood-level app for local lost and found posts and community help
Bay Area community where lost item posts occasionally surface and get shared
Frequently asked questions
How long will items be held at the Sheriff's Office or Town Office?
The Contra Costa Sheriff and Discovery Bay Town Office typically hold items for 30 to 60 days, depending on the nature of the loss and local policy. It's important to file a report as soon as possible so you're officially registered. When you report through ReportLost, we ensure your claim is documented immediately.
What if I lost something on the transit bus?
Items found on Discovery Bay Fixed Route buses are held at the main office (contact (925) 634-1131). Most buses keep found items for 30 days. Report your loss right away so staff know what to look for, and your report will be filed with transit services.
Can I file a lost item report online?
You can call the Contra Costa Sheriff non-emergency line at (925) 646-2441 or visit the Town Office in person at 1800 Willow Lake Road. ReportLost handles the outreach for you, filing across all relevant local offices and channels simultaneously.
How do I search for my lost item if I file a report?
Once you file with ReportLost, your report stays active and continuously cross-referenced against new found item alerts, community posts, and local listings for your chosen search period (12 months). You'll receive notifications if a credible match is found, so you don't have to search manually every day.
What if I lost a pet in Discovery Bay?
Contact Contra Costa Animal Services immediately at (925) 608-8400 and ask for a lost pet walkthrough (available Monday to Friday, 11 a.m. to 7 p.m., and Saturday). Post in the Discovery Bay Lost & Found Pets & Rehoming Facebook group and other community channels. ReportLost can file a priority lost pet report to ensure maximum visibility.
Is ReportLost.org official, or does it replace calling the police?
ReportLost is an independent service that works alongside local law enforcement and lost and found offices. We are not a government agency, but we partner with official channels to ensure your report reaches the right people. Filing with us does not replace an official police report; it supplements it by automating outreach to multiple offices and keeping your claim active for months. For certain losses (theft, crime), you may need to file an official report separately. We'll guide you on what's needed.
Lost & found in nearby cities
Don't let your lost item fade away.
Every minute counts when something goes missing. File your report now and let ReportLost handle the outreach to local authorities and community channels, then stay vigilant on your behalf for months to come.
Start my report →ReportLost.org is an independent service and is not affiliated with the Contra Costa Sheriff's Office, Town of Discovery Bay, Contra Costa Animal Services, or any local government agency. We work to connect your report with official channels and community resources, but we are not an official lost and found service. Always verify contact information and hours directly with local offices before visiting.