Lost something in South San Francisco? Here is where to report it.
One report connects you to the South San Francisco Police Department, local transit services, airport lost & found, and community channels. We then watch the web continuously for matches so you don't have to check back every day.
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 describe what you lost
Tell us what happened, where, and when. We gather the exact details needed for police reports and public alerts.
We route it to the right channels
Your report goes to the South San Francisco Police Department, relevant transit lost & founds, SFO if applicable, and active local community groups, all in one go.
We monitor the web for you
For months, our system scans marketplaces, social media, community boards, and local announcements for posts matching your lost item. You get an alert the moment we find a credible lead, so you're never out of the loop.
Where to report a lost item in South San Francisco
Here's what each channel does, and how ReportLost helps you reach them all at once.
South San Francisco Police Department
The local police handle lost and found reports in the city. We tell you exactly which department covers your location and what information to include. You can also file directly.
Muni & SamTrans Transit Lost & Found
Lost something on a bus or train? Both Muni (San Francisco) and SamTrans (Peninsula routes) maintain lost & found services. We know which service handles your route and submit your details. Items are typically held for 90 days.
San Francisco International Airport (SFO)
If you lost something at SFO, the airport maintains its own lost & found office open daily from 8 a.m. to 10 p.m. ReportLost ensures your item description reaches the right desk. Items are held for 30 days.
Lost Pet Services
If you've lost a dog, cat, or other pet in the South San Francisco area, contact San Francisco Animal Care and Control. They maintain a lost pet hotline and appointments for searches. For faster community outreach, file a priority lost pet report with ReportLost instead.
Community & Social Channels
South San Francisco residents actively use Facebook groups and Reddit to share lost and found items. ReportLost posts alerts to these channels and monitors them for responses, so your item gets seen by hundreds of neighbors without you having to manage the updates.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Why wait to start looking?
The sooner you file a report, the sooner we begin our search across every corner of the web. Most items are recovered within the first few weeks, and ReportLost's continuous monitoring means you won't miss a match because you were asleep or at work.
Report my lost item →Losing something in South San Francisco means navigating multiple phone numbers, websites, and local Facebook groups on your own. The police, Muni transit, SamTrans, and community channels all operate separately, and it's easy to fall through the cracks or miss a post about your item while you're busy with life.
ReportLost strips away the confusion. File once, and we handle the routing, the alerts, and the persistent search. Our team connects you to the right local authorities and community channels while our system watches every corner of the web for matches, day and night, so you can stop refreshing and start hoping.

Where people lose things in South San Francisco
Loss hotspots we monitor closely
Downtown & Grand Avenue
Busy shopping and business district where wallets, phones, and bags slip away in stores and parking lots.
The Corridors (transit hubs)
Muni and SamTrans stops where commuters accidentally leave items on buses and at stations.
San Francisco International Airport (SFO)
Terminals and security areas where travelers misplace luggage, electronics, and documents.
Residential neighborhoods
Keys, packages, and personal belongings lost in driveways, yards, and community spaces.
Community channels that help
Active groups where neighbors post and find lost items
Facebook group for the broader Bay Area
Dedicated to reuniting lost and found animals
Reddit community with active lost & found posts
Local advice and lost item threads
Frequently asked questions
How long do police and transit services hold lost items?
South San Francisco Police typically hold items for a reasonable period before disposal (check with your local precinct for exact timelines). Muni and SamTrans usually hold items for 90 days. SFO holds items for 30 days. ReportLost's continuous web monitoring helps you find your item faster so you don't rely solely on holding periods.
What if my item was lost on public transit?
Call Muni at 311 (or 415.701.2311 outside the city) or SamTrans Customer Service at 1.800.660.4287. ReportLost submits your details to both services and watches for updates, so you're covered either way.
Can I check if something has been turned in?
Yes. You can call the South San Francisco Police Department directly at (650) 877-8900, contact Muni at 311, or visit SFO's lost & found office in person at Terminal 1, Arrivals Level (daily, 8 a.m. to 10 p.m.). ReportLost does this legwork for you and monitors for any new matches.
How does ReportLost watch the web for my item?
Our system continuously scans Facebook Marketplace, Craigslist, local Buy/Sell/Trade groups, Reddit, Nextdoor, and other community channels for posts matching your item's description, location, and date. The moment we spot a credible match, you get an alert.
What if I lost a pet?
Contact San Francisco Animal Care and Control at (415) 554-6364 for a lost pet search appointment, or call their hotline at (415) 567-8738 (12 p.m. to 5 p.m.). For the fastest community alert and ongoing monitoring, file a priority lost pet report with ReportLost instead.
Is ReportLost official or does it replace calling the police?
ReportLost is an independent service, not part of any government agency. We complement official channels, not replace them. When you file with ReportLost, we route your report to the police, transit services, and community groups so they have the information. You retain full control, and all official authorities are notified directly.
Lost & found in nearby cities
Get started now
The longer you wait, the farther your item travels. Give yourself the best shot by filing a report today. Our team will handle the routing, the alerts, and the search while you focus on other things.
Start my report →ReportLost is an independent service and is not affiliated with, endorsed by, or officially connected to the South San Francisco Police Department, Muni, SamTrans, San Francisco International Airport, San Francisco Animal Care and Control, or any other agency or business mentioned on this page. We work on your behalf to route information and monitor public channels; all official reports remain your responsibility.