Lost something in Los Alamitos? Here is who holds found property.
One report reaches the Los Alamitos Police Department, local lost and found offices, and active community channels. Your report stays active, searching for a match while you move forward.
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 your loss
Tell us what you lost, where, and when. We gather the details that matter most to the right local services.
We route it to the right places
Your report goes to the Los Alamitos Police Department, relevant city offices, lost and found desks at schools and transit stops, and posted to community channels where locals actively search.
Your report keeps searching for you
For the entire duration of your chosen search window, your report stays active and continues to match against new found posts, community announcements, and local marketplace listings. You get an alert if a credible match appears, so you don't have to check every day.
Where to Report a Lost Item in Los Alamitos
These are the key places to report, and how ReportLost gets your item in front of them all at once.
Los Alamitos Police Department
The main place to file a lost property report. You can call their non-emergency line during business hours or visit in person. We tell you which desk handles your type of loss and what information to have ready.
Non-emergency: 562-594-7232|3201 Katella Avenue, Los Alamitos, CA 90720
City Hall & City Services
City offices sometimes hold items left in parks, recreation areas, or public spaces. We ensure your report reaches the right department based on where you lost your item.
Los Alamitos High School Lost & Found
If your loss happened on campus, the school's Campus Supervision Office is the central point for items turned in by students and staff. We generate the exact details to include when you contact them.
Campus Supervision Office|3591 W Cerritos Ave, Los Alamitos, CA 90720
Public Transit Lost & Found
If you left something on a bus or shuttle in the area, Foothill Transit and other local carriers maintain lost and found services. We point you to the right transit line and help you file a report that covers the right route and time.
LAX & Ontario Airport Lost & Found
If your loss occurred at the airport, LAX and Ontario have dedicated lost and found departments. We help you reach the right terminal or department based on where you believe you left your item.
Lost Pet
If you're missing a dog or cat, time is critical. OC Animal Care and the community lost pet networks in Los Alamitos work around the clock to reunite pets with their families. Get immediate support and reach shelters, vets, and local rescues all at once. File a priority lost pet report.
OC Animal Care|Los Alamitos/Rossmoor Lost & Found Pets Facebook Group
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
The sooner you file, the sooner the search begins
Every hour counts. Once your report is in the system, ReportLost immediately routes it to the right channels and activates your automatic search window. The police have your description, community members see it on social channels, and your item is flagged across local marketplaces.
Report my lost item →Losing something in Los Alamitos means juggling calls to the police station, the school campus office, transit lost and found, and scrolling through scattered Facebook posts and community groups. Each service keeps its own records, and there's no single place tracking everything. The moment you stop calling, your item falls off everyone's radar.
ReportLost bridges that gap. One report to us, and we notify the Los Alamitos Police Department, city services, and post across local community channels where people actively share found items. Better still, your report doesn't disappear after a week. It stays active and keeps searching for a match automatically, for 12 months. You can relax knowing that once you've reported, the work continues without you.

Common Places to Lose Items in Los Alamitos
Lost something in one of these areas? Here's what usually happens.
Downtown & Katella Avenue
The main commercial corridor. Wallets, phones, and bags go missing at shops, restaurants, and parking areas. Report to City Hall and local business owners right away, and post to community groups.
Los Alamitos High School Campus
Students and visitors lose items in classrooms, the library, athletics areas, and student centers. Check the Campus Supervision Office first, and file a report that covers the whole campus.
Recreation & Parks Areas
Items lost at parks, playing fields, and recreation centers are often turned in to the Recreation Department or a park office. Report to Recreation & Community Services at 562-430-1073.
Transit Stops & Bus Routes
Foothill Transit serves the area. If you left something on a bus, call their line immediately with the bus number and time, and file a lost and found report covering all routes.
LAX & Ontario Airports
If your loss happened during travel, reach out to airport police and terminal lost and found departments within 24 hours. Items are held for a limited time before disposal.
Community Channels Where Lost Items Are Shared
Los Alamitos residents actively post found items in these groups. We post your report there too.
Active Facebook group for lost and found pets, especially dogs and cats.
Covers the wider area including Los Alamitos, Seal Beach, and Signal Hill.
Neighborhood pages where residents post found items and lost notices.
Local social network where neighbors share found items and reunite with owners.
Questions About Lost Items in Los Alamitos
How long does the Los Alamitos Police Department hold lost items?
Most police departments hold lost property for 30 to 90 days before disposal or donation. Contact the Los Alamitos Police Department at 562-594-7232 to confirm the hold period and ask if your item has been turned in. This is why reporting quickly is so important.
What if I lost something at the high school?
Contact the Campus Supervision Office at Los Alamitos High School directly at 562-799-4780, or check their lost and found in person at 3591 W Cerritos Ave. If you file a report with ReportLost, we make sure this office is notified right away.
How do I report a lost item on a bus?
Call Foothill Transit's customer service line at 1-800-RIDE-INFO (1-800-743-3463) with details of the bus, route, and time. They'll direct you to the correct lost and found location or office. ReportLost helps you gather those exact details.
What if my item was lost at LAX or Ontario Airport?
LAX's lost and found is managed by Airport Police at (424) 273-7266. Ontario Airport lost and found is located in Terminal 2 at (909) 544-5128. Call immediately, as airport items are held for a limited time. The TSA also has a separate lost and found for items left at security checkpoints.
Where can I search for found items in Los Alamitos?
Check the Rossmoor/Los Alamitos Lost & Found Animal Page on Facebook if you're looking for a pet. For general items, search Nextdoor, community Facebook groups, and Craigslist. You can also call the police non-emergency line and ask if your item has been turned in. With ReportLost, we do this cross-checking for you automatically.
Is ReportLost.org an official police service?
ReportLost.org is an independent service, not run by the police. But it works directly with the Los Alamitos Police Department, city services, and community channels to report your loss comprehensively. Think of it as a coordinator that ensures your report reaches all the right places at once and stays active in the search. You still have the option to contact police and other services directly if you prefer.
Lost & found in nearby cities
File your report below.
The first step is the report. Once you've filed with us, the network activates. Police, schools, transit, and community members are all working from the same information. And your report doesn't close after a few days, it stays open and searching for months.
Start my report →ReportLost.org is an independent service and is not affiliated with the Los Alamitos Police Department, City of Los Alamitos, Los Alamitos High School, Foothill Transit, LAX, Ontario Airport, OC Animal Care, or any other government or private entity mentioned. We help you report losses and coordinate outreach to these services, but they operate independently. Always verify current contact information and hours with each service directly.