Lost something in Walnut Park? Here are the offices that take your report.
One report reaches the Walnut Sheriff's Station, local lost and found offices, and active community channels. Your report stays active, continuously matching against new found items.
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 the Loss
Fill out a quick form with details about what you lost, where, and when. We gather exactly what each local authority needs.
We Route It to the Right Places
Your report goes straight to the Walnut Sheriff's Station, City Hall, local lost and found departments, and community groups actively searching.
Your Report Keeps Searching for You
For 12 months, your report stays active and automatically checks new found item postings, community alerts, and marketplace listings. No daily checking required, you get an alert when a match appears.
Where to Report Your Loss in Walnut Park
Here's every official channel you can contact directly, plus what ReportLost does to save you time:
Walnut Sheriff's Station
The primary law enforcement agency for Walnut. Report property loss or theft here. We identify which precinct covers your location and provide the exact information you'll need when you call.
Walnut City Hall
The city's central hub for non-emergency reports and lost and found coordination. We generate the details required for filing a report and point you to the right department.
Local Transit Lost & Found
If you left something on a bus or at a transit stop in the area, contact the regional transit authority. We help you identify which service covers your route and what to include in your report.
Lost Pet?
If you've lost a cat or dog, contact the Los Angeles County Department of Animal Care and Control (DACC) Baldwin Park location, which serves the Walnut area. They maintain a database of found pets and can provide guidance on your search. For immediate help, file a priority lost pet report with ReportLost and we'll alert local shelters and community pet networks in minutes.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
The sooner you report, the better.
Once your report is submitted and routed to the right channels, the search begins. Your report stays active and keeps matching new found items automatically, so you can have peace of mind knowing you've done everything necessary.
Report my lost item →Losing something valuable in Walnut Park means navigating multiple phone calls, separate websites, and different office hours across the Sheriff's Department, City Hall, and local community groups. It's frustrating, time-consuming, and easy to miss the right contact or deadline.
ReportLost simplifies everything. One report reaches all the right places at once, and then your report stays active for months, continuously searching for matches while you move forward. No need to check Facebook groups and community boards yourself every day, and no worrying that you've missed a crucial window. We handle the legwork so you can focus on what matters.
Common Places Where Items Get Lost in Walnut Park
Wherever you lost your item, ReportLost can help:
Downtown Walnut
Around La Puente Road and main commercial corridors, where foot traffic and shopping are heaviest.
Residential Neighborhoods
Throughout the city's residential areas where items often slip out of bags or drop from cars.
Parks and Recreation Areas
Local parks and green spaces where personal items are frequently forgotten.
Transit Stops and Streets
Bus stops and public streets where items are left during daily commutes.
Community Groups Searching Right Now
Walnut residents actively share found items and lost pet alerts on these platforms:
Facebook groups dedicated to reuniting lost pets and found items with owners
Local Walnut Facebook pages where residents post about lost and found items daily
Neighborhood app where many Walnut residents post lost and found alerts
Community-powered lost pet directory for Walnut and surrounding areas
Common Questions About Losing Something in Walnut Park
How long will the Sheriff's Department hold my lost item if someone turns it in?
Los Angeles County Sheriff's Department typically holds found property for a set period before disposal. Check with the Walnut Sheriff's Station at (909) 595-2264 to ask about holding periods for your specific item. ReportLost keeps your report active throughout your search window, so you'll be alerted if a match appears.
Can I file a lost item report online with the Walnut Sheriff's Department?
The Walnut Sheriff's Station primarily handles reports by phone or in person. Contact them at (909) 595-2264 during office hours (Monday–Thursday, 7 a.m. to 6 p.m., closed Fridays). ReportLost handles the routing for you, so you don't have to navigate multiple online systems.
What should I do if I think my item was lost on a bus?
Contact the transit authority that serves the route where you lost it. Provide them with the bus number, route, and time if possible. ReportLost helps identify the right transit system and ensures your report includes all necessary details.
If I lost my pet in Walnut, where should I start?
Contact the Los Angeles County Department of Animal Care and Control (DACC) Baldwin Park location at (626) 962-3577, check local Facebook pet groups, and post on Nextdoor. Filing a priority lost pet report with ReportLost gets your pet's details in front of shelters and community networks immediately.
How long does ReportLost keep my report active?
Your report stays active for your entire search period, typically 12 months. During this time, we automatically match your report against new found item listings, community posts, and marketplace ads. You'll get an alert if a credible match appears, so you don't have to check daily yourself.
Is ReportLost an official city or police service?
No, ReportLost is an independent service that works alongside official channels. We're not affiliated with the Walnut Sheriff's Department, City Hall, or any government agency, but we route your report to all the official departments that handle lost and found in Walnut. We complement their work by keeping your information active and searchable for months.
Lost & found in nearby cities
Report your loss now and let your report do the searching.
Every minute counts when something is lost, and the first few days are critical. Filing your report takes just a few minutes, and once it's routed to the Sheriff's Station, City Hall, and local community channels, you can stop worrying about whether you've contacted the right places. Your report stays active, keeps searching automatically, and alerts you the moment a match appears.
Start my report →ReportLost.org is an independent service and is not affiliated with the Walnut Sheriff's Station, City of Walnut, Walnut City Hall, or any local government agency. We help you report losses and route information to official channels and community groups. For emergencies, always call 9-1-1 or contact law enforcement directly.