Lost something in Guerneville? File a report that keeps searching.
One report goes straight to the Sonoma County Sheriff's Office, local transit lost & found, and active community channels. Your report stays active, automatically checking 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)
No report has been filed in Guerneville yet. Yours would be the first, and it gets a public page that anyone who finds your item can search.
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 in Guerneville
You file your report
Tell us what you lost, where, and when. We gather the details that matter to the right local channels.
We route it to the right places
Your report reaches the Sonoma County Sheriff's Office, Sonoma County Transit, the local animal shelter if it's a pet, and relevant community networks in the Russian River area.
Your report keeps searching for you
For 12 months, we cross-check new found items, social posts, and local marketplace listings against your description. You get an alert the moment a credible match appears. No need to refresh sites every day, we handle the lookout.
Where to Report Lost Items in Guerneville
The key local services to know about, and how ReportLost connects you to all of them.
Sonoma County Sheriff's Office
The primary law enforcement agency covering Guerneville. They handle lost and found reports, especially for items lost in public spaces or involving theft. We identify which department and precinct covers your loss location and prepare your report for immediate submission.
Sonoma County Sheriff's Office|Non-emergency line: (707) 565-2121
Sonoma County Transit Lost & Found
If you lost an item on a bus or at a transit stop, Sonoma County Transit operates a dedicated lost and found. Items are typically held for a limited time. We help you file the exact description and ensure your report reaches them promptly.
Sonoma County Transit Lost & Found|Phone: (707) 565-7433 (Mon-Fri 8am-5pm)
Charles M. Schulz Sonoma County Airport
If your loss happened at the local airport, the airport's lost and found office handles inquiries. Items may be retained temporarily. We point you to the exact desk and help frame your claim so it stands out.
Charles M. Schulz Sonoma County Airport Lost & Found|Email: airport@sonomacounty.gov
Lost Pet? Get Priority Help
If you've lost a dog or cat, time matters. Sonoma County Animal Services and the Humane Society of Sonoma County operate separate registries and shelters. We contact both immediately and keep your pet's description circulating through local alerts and rescue networks for your entire search period. File a priority lost pet report
Sonoma County Animal Services: (707) 565-7100|Humane Society of Sonoma County
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
The Sooner You Report, the Better
Every hour counts in a loss. Getting your report filed with the Sheriff's Office and transit systems right away opens more doors for recovery. Once you submit to ReportLost, our team handles the routing, and your report begins its active search immediately.
Report my lost item →Losing something in Guerneville, California can feel scattered when you're not sure where to start. The Sonoma County Sheriff's Office, local transit systems, community Facebook groups, and neighborhood networks all handle found items separately, and contacting each one takes time you might not have.
ReportLost simplifies that. File once, and we notify the right channels for you, then keep your report active, automatically scanning for matches across local listings and social channels for months. Once your item is filed, you can focus on other things while we continue the search in the background.
Common Places Where Items Go Missing in Guerneville
Whether it's the river, downtown, or a local spot, knowing where helps us search smarter.
Downtown Guerneville & Main Street
The heart of town, with shops, restaurants, and foot traffic. Wallets, keys, and personal items are frequently lost and left with local merchants.
Russian River Parks & Recreation Areas
Popular swimming and outdoor spots along the river. Loss on water or at riverside parks is common; we connect with both Sheriff patrols and park rangers.
Transit Stops & Routes
Sonoma County Transit serves Guerneville. Items left on buses or at stations are held at the central lost and found in Santa Rosa.
Local Restaurants & Cafes
Common places to lose rings, phones, and bags during meals. Many proprietors keep lost items for a short time before discarding.
Redwood Groves & Hiking Trails
Guerneville's natural beauty draws hikers. Lost items in remote areas are harder to recover, but we spread the word through outdoor networks.
Community Networks & Social Channels
Locals share and search on Facebook and Reddit. Your report reaches these communities, too.
Facebook group where Guerneville residents share local news, including lost items and found pets
County-wide Facebook group dedicated to reuniting community members with lost belongings
Reddit community for Sonoma County residents; found items are often posted here first
Facebook group focused on lost and found dogs in the Sonoma County area
Frequently Asked Questions About Lost Items in Guerneville
How long does the Sheriff's Office hold lost items?
Guerneville is served by the Sonoma County Sheriff's Office. Holding periods for found items vary by location and type. We recommend calling (707) 565-2121 to check if your item has been turned in. This is why ReportLost keeps your report active, so you don't have to call every day.
If I lose something on a Sonoma County Transit bus, where do I claim it?
Transit lost and found items are held at the main office: 355 W. Robles Ave., Santa Rosa, CA 95407. Call (707) 565-7433 (Mon-Fri 8am-5pm) to check availability or arrange pickup. ReportLost files the initial report on your behalf, so you can focus on retrieval.
What should I do if I lose a pet in Guerneville?
Contact Sonoma County Animal Services at (707) 565-7100 (Tue-Sat 9am-5:30pm) or the Humane Society of Sonoma County immediately. Time is critical. ReportLost can file a priority pet report and alert multiple local rescue networks and social channels all at once.
Where is the nearest animal shelter?
Sonoma County Animal Services operates a shelter on Eighth Street East in Sonoma, about 15 minutes from Guerneville. The Humane Society of Sonoma County also houses found pets. Both maintain searchable registries of lost and found animals.
Can ReportLost retrieve my item from the Sheriff's Office or transit?
No, but we do all the legwork to get your report filed and routed to them immediately. We also keep your description actively circulating through local networks and social channels for months, dramatically improving your chances of a match. When someone finds and reports your item, or a community member spots it, we're the bridge that gets you connected.
Is ReportLost.org official or does it replace calling the police?
ReportLost is an independent service that works alongside official channels, not as a replacement. We file your report with the Sonoma County Sheriff and other local services on your behalf, and keep the search active far longer than a single phone call would. You're always welcome to contact the Sheriff directly at (707) 565-2121, but ReportLost ensures your case doesn't go cold after the first report.
Lost & found in nearby cities
Ready to File Your Report?
The sooner you report a loss, the sooner the search begins. With ReportLost, you file once and we handle the notification chain, then keep searching for you automatically. Here is who holds found property.
Start my report →ReportLost.org is an independent service and is not affiliated with the Sonoma County Sheriff's Office, Sonoma County Transit, Charles M. Schulz Sonoma County Airport, Sonoma County Animal Services, or the Humane Society of Sonoma County. We file reports on your behalf and coordinate with these agencies, but we do not replace direct contact with official services. All information is accurate to the best of our knowledge at the time of publication. Please verify all phone numbers and hours before contacting any office.