Lost something in Kentfield? Report it and let us handle the search.
One report connects you with the Marin County Sheriff's Office, Central Marin Police, Marin Transit, and active local community channels. Your report stays active, continuously matching your item against new found posts.
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 in Kentfield
You describe what you lost
Tell us where, when, and what you're missing. A ring left at a coffee shop on College Avenue, a wallet on a Marin Transit bus, a phone from your car—we take it all down.
We route your report to the right places
We immediately alert the relevant local channels: the correct police authority, transit lost and found, any specific venue, and post your report to community networks where neighbors and local groups actively search.
Your report keeps searching while you move on
For your entire search period, your report stays active and continues matching against new found posts and announcements across local channels. You'll get an alert the moment a credible match appears, so you don't have to check every day yourself.
Where to report a lost item in Kentfield
Marin County and local resources you can contact directly. ReportLost does this work for you—just file once with us.
Marin County Sheriff's Office
The primary law enforcement agency for Kentfield. If your loss involves a crime or you want an official report, contact them during business hours. We tell you which precinct covers your loss location and help you generate the exact details to include.
Marin Transit Lost and Found
Left your bag or phone on a Marin Transit bus? Call customer service immediately, as items are held for a limited time before disposal. We point you to the right desk and let you know what information to have ready.
College of Marin Campus Police
If your item was lost on or near the Kentfield campus (835 College Ave), the campus police department maintains its own lost and found. We help you reach the right office directly.
Lost pet? Act fast and file a priority report
Losing a dog or cat is an emergency. Marin Humane is the primary shelter and animal services hub for Kentfield. Report to them immediately, post to local pet groups, and file a priority lost pet report with us so your pet stays on everyone's radar.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
The faster you report, the faster we get to work.
Every hour matters when an item is fresh in people's minds. Once your loss is in our system, the search process begins right away—we notify the agencies that hold or see lost items daily, and your report joins the active search networks. You're not waiting; you're moving forward with confidence.
Report my lost item →Kentfield is a close-knit community in Marin County, but losing something here means contacting multiple agencies scattered across different systems: the Marin County Sheriff, Central Marin Police, Marin Transit customer service, and various local Facebook groups. By the time you've called each one, posted everywhere, and begun checking back daily, a lot of time has passed.
ReportLost simplifies this. You file one report with us, and we notify the authorities and community channels that matter. Then your report keeps searching automatically for 12 months, cross-referencing new found items and posts without you having to refresh your browser every morning. Once your report is active, you can focus on your day.
Common places where items are lost in Kentfield
Whether you lost something at a local business, on transit, or outdoors, tell us the area and we'll know where to alert.
College Avenue & Downtown Kentfield
The heart of Kentfield, with shops, offices, and restaurants. Items left at counters or in parking lots are frequently turned in to local merchants and police.
College of Marin Campus
The 835 College Ave campus is a major hub. Wallets, phones, and keys go to campus police or the lost and found office if left in buildings or grounds.
Marin Transit Bus Routes
Buses serving Kentfield are a common place to leave bags and personal items. Marin Transit customer service handles bus lost and found with a specific process.
Residential & Nature Areas
Kentfield's tree-lined neighborhoods and nearby parks see lost keys, rings, and pet items. Community groups and neighbors often help locate items reported locally.
Kentfield and Marin County community networks
Local Facebook groups and online communities where lost and found items are shared. Your ReportLost report gets amplified to these channels.
Active group for lost pets across the wider region, includes Kentfield residents.
Subreddit for Marin County discussions; lost items and pets are posted here regularly.
Neighborhood app where Kentfield residents post and respond to lost item reports quickly.
Kentfield neighborhood and Marin County groups where locals help search for lost wallets, keys, and personal items.
Frequently asked questions about lost items in Kentfield
How long does Marin Transit hold lost items before they're discarded?
Marin Transit typically holds items for a limited time. Call customer service at (415) 455-2000 as soon as possible (7 a.m. to 6 p.m. weekdays) to check on your item and arrange pickup.
Do I need to file a police report to get help from ReportLost?
No. ReportLost works independently. You can file a report with us even if you haven't contacted the police. If your loss involves theft or a crime, you can file a separate report with Central Marin Police online at centralmarinpolice.org or call (415) 927-5150.
Can I file a report for a lost pet right away, or should I search first?
File immediately. A lost dog or cat needs every resource from day one. Contact Marin Humane right away, post to local pet Facebook groups, and <a href="/report-lost-pet">file a priority lost pet report with ReportLost</a> so your pet is on everyone's list.
What if I lost something on the College of Marin campus?
Contact College of Marin Campus Police at (415) 485-9455 or visit their office at 835 College Ave. They have a lost and found service. We'll help you generate the right details to provide.
How does ReportLost stay active for 12 months?
Your report doesn't expire after a week or a month. We continue matching your item description against new found posts, announcements, and community posts across local channels for your entire search period. If a match appears—even months later—you'll receive an alert. You never have to wonder if you missed something.
Is ReportLost.org official, or does it replace the police?
ReportLost is an independent service—we are not part of any government agency, but we work *with* them. We amplify your report by connecting it to official channels (police, transit, shelters) and community networks. We do not replace police reports; we complement them and keep your item in active circulation while the relevant authorities have it on file.
Lost & found in nearby cities
Ready to report your loss?
The sooner your item is in the system, the sooner it starts circulating through Kentfield's lost and found network and community channels. Fill out your report now, and we'll handle the rest.
Start my report →ReportLost.org is an independent lost and found service and is not affiliated with the Marin County Sheriff's Office, Central Marin Police, Marin Transit, College of Marin, Marin Humane, or any other local agency. We route reports to these entities and amplify your loss across community channels on your behalf. All links to official resources are for informational purposes; you may also contact these agencies directly. Learn more about our <a href="/privacy">privacy policy</a> and <a href="/terms">terms of service</a>.