Lost your wallet, ring, or pet in Contra Costa Centre? Here is who to contact.
One report to Contra Costa County authorities, County Connection transit, Contra Costa Animal Services, and local community networks. Your report stays active, continuously searching for matches.
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 file your report
Tell us what you lost, where, and when. We gather the details needed to alert the right departments and channels in your area.
We route it to the right places
Your loss goes to local law enforcement, transit services if applicable, animal control, and relevant social channels. You don't chase down contacts yourself.
Your report keeps searching
For your entire search period, your report stays active and matches against new found items, marketplace listings, and community posts. We alert you if a credible match appears, so you're not checking sites every day.
Where to Report Your Loss
Know your options. ReportLost handles the routing for you.
Police & Sheriff
Walnut Creek Police Department handles lost property reports in the Contra Costa Centre area. We identify which precinct covers your loss location and provide you the details to file a report, or can file on your behalf.
Walnut Creek Police Lost & Found|Walnut Creek Police Non-Emergency
Public Transit
Lost something on County Connection or AC Transit? Items are held for 30 days. We tell you which transit authority to contact and what info to include in your report.
County Connection Lost & Found|County Connection Customer Service
City Hall & County Services
Contra Costa County coordinates many lost & found services. We can direct your report to the right county department based on where and what you lost.
Lost Pet
If you've lost a dog or cat in Contra Costa Centre, time matters. Contra Costa Animal Services holds pets for a minimum of 3 business days. We alert the shelter, local rescues, and pet networks immediately. If you need specialized support, file a priority lost pet report.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Ready to report?
The sooner you file, the sooner we start routing your loss to the right places and activating your search across Contra Costa Centre.
Report my lost item →Losing something in Contra Costa Centre can feel helpless. You might contact the Walnut Creek Police Department, then County Connection if it was on the bus, then Contra Costa County Animal Services if it was a pet, then post to Nextdoor and Facebook groups, all while hoping someone finds it. The systems aren't connected, and the window to recover closes fast.
ReportLost simplifies the whole process. File one report, and we notify the right departments, post to local networks, and keep your report active and searching for you for months. You can breathe easier knowing that your lost item, wallet, pet, or keys are being actively looked for across all the places that matter in Contra Costa Centre.

Common Areas in Contra Costa Centre
Losses happen everywhere. Tell us the neighborhood or landmark.
Walnut Creek Downtown
The heart of Contra Costa Centre, around Treat Boulevard and surrounding retail and dining. Busy pedestrian traffic and multiple businesses.
Contra Costa Centre Transit Village
The transit hub itself, where County Connection buses arrive and depart. Common place for items left on or near buses.
Ygnacio Valley Road Corridor
A major thoroughfare through Walnut Creek with shops, restaurants, and services. Easy to lose items while moving between businesses.
Parks & Open Spaces
Walnut Creek has parks and greenways. Lost pets and items in outdoor areas should be reported to local animal services and city parks.
Community Networks
Your loss can be shared with neighbors and local groups searching for found items.
Facebook community for lost and found pets across the East Bay, including Contra Costa County
Specialized pet alert page for the eastern Contra Costa area
Neighborhood app where many locals post found items and ask for help
Bay Area subreddit where lost item posts sometimes get community responses
Frequently Asked Questions
How long does County Connection keep lost items?
County Connection holds found items for 30 days. If you lost something on a bus, call (925) 676-7500 right away. ReportLost notifies them on your behalf and keeps your report active to cross-check items as they're logged.
How long will Contra Costa Animal Services hold my lost pet?
Animals impounded at Contra Costa Animal Services are held for a minimum of 3 business days. We recommend contacting them immediately at (925) 608-8400. Filing a priority lost pet report with us ensures rapid alerts to all shelters and rescue networks in the area.
Which police department covers Contra Costa Centre?
Walnut Creek Police Department handles the Contra Costa Centre area. We identify the exact precinct and contact method based on your loss location, so you don't have to figure it out.
How do I file a police report for a lost item in Walnut Creek?
You can call Walnut Creek Police at (925) 943-5890 for non-emergency reports, or file online at their website. ReportLost generates the details you'll need and can file on your behalf to ensure your report is logged correctly.
Do I need to check Facebook and Nextdoor every day myself?
No. Once you file a report with ReportLost, your report stays active and automatically matches against new posts, found item listings, and community alerts. We'll notify you if a credible match appears, so you can focus on other things.
Is ReportLost.org official, or does it replace the police?
ReportLost is an independent service, not part of any government agency. We work alongside official channels like Walnut Creek Police, Contra Costa County, and animal services, but we don't replace them. We route your report to them and keep your search active longer than you could manage alone. For serious crimes, you should always contact police directly.
Lost & found in nearby cities
Don't search alone.
File your report now and let ReportLost do the heavy lifting. Your lost item, wallet, ring, or pet deserves a coordinated, persistent search.
Start my report →ReportLost.org is an independent service and is not affiliated with Walnut Creek Police Department, Contra Costa County, County Connection, Contra Costa Animal Services, or any local government body. We work on behalf of users to coordinate reporting and maintain active search status with these agencies and community networks. All links to official services, phone numbers, and procedures are provided for reference only. Always verify current contact information and procedures with the relevant agency.