Lost something in Stony Brook? Report it and activate an ongoing search.
File a single report with us, and we'll notify the Stony Brook University Police, Suffolk County Police, Town of Brookhaven Animal Shelter, and local social channels. Your report stays active, continuously matching against new found items across multiple sources so you don't have to search alone.
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
New York : the holding period scales with the item's value: the more it is worth, the longer the police must keep it. A finder must deposit an item worth $20 or more at a police station within 10 days. (New York Personal Property Law §§252-253)
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 it works
You report your loss in one place
Tell us what you lost, where, and when. We gather all the details needed to reach the right local authorities and community channels in Stony Brook.
We route your report to the right people
Your information goes directly to Stony Brook University Police (if on campus), Suffolk County Police, the Town of Brookhaven, relevant lost and found offices, and active local groups on Facebook and community platforms.
Your report keeps searching for you
While you go about your day, your report stays active and continues to match against newly posted found items, marketplace listings, and shelter records. You'll get an alert if a credible match appears, no daily checking required.
Where to report lost items in Stony Brook
Know your options. We'll tell you exactly who to contact and how.
Stony Brook University Police
If you lost your item on the Stony Brook University campus, the University Police Department handles lost and found reports for the campus community. We'll identify if your loss occurred on campus and provide you with the exact information and contact method to file with them.
Suffolk County Police Department
For losses in Stony Brook outside the University campus, the Suffolk County Police handles lost and found reports. We can tell you which precinct covers your exact location and provide the details you'll need when you file your report.
Town of Brookhaven
The Town of Brookhaven, which includes Stony Brook, oversees local lost and found coordination and can direct you to the right department based on where your item was lost. We'll help you navigate their system and find the right contact.
Lost or found pet?
If your cat or dog has gone missing, the Brookhaven Animal Shelter is your first stop. They hold found animals and can register your missing pet. Local rescue groups and Facebook communities in the Stony Brook area are also incredibly active in reuniting pets with their families. We'll direct your pet report to all the right channels and help you file a priority lost pet report.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Start your search now
The sooner you file a report, the sooner local authorities and the community can begin looking. Once your report is in, our team takes it from there, keeping your search active across all channels.
Report my lost item →Losing a wallet, phone, ring, or beloved pet in Stony Brook means contacting the University Police (if you were on campus), Suffolk County Police, the Town of Brookhaven's Animal Shelter, and checking multiple Facebook groups yourself. Each agency keeps records separately, and community posts vanish quickly. It's exhausting, and by the time you've made all the calls and scrolled through social media, days have passed.
ReportLost simplifies the chaos. One report reaches all the relevant services in Stony Brook, and your search doesn't end the moment you submit it. Your report stays active for your entire recovery period, continuously cross-checking new found posts and announcements so you can focus on your day knowing that the search is continuing behind the scenes.

Common places where items go missing in Stony Brook
Losses happen everywhere. Knowing where yours occurred helps us route your report faster.
Stony Brook University Campus
The largest concentration of lost items comes from the campus itself, including residence halls, libraries, the Student Center, and academic buildings. Campus police has dedicated lost and found procedures.
Stony Brook Village Center
The village's downtown shops, restaurants, and public spaces see frequent losses of wallets, phones, and personal items. Local business owners often hold found items briefly.
Port Jefferson Area
The nearby harbor and waterfront attract visitors and locals year-round. Items are lost around the ferry terminal, docks, and waterfront parks.
Route 25A and Shopping Districts
Shopping centers and parking areas along the main commercial corridor are common loss sites. Items are frequently found in store lost and founds.
Residential Neighborhoods
From driveways to neighborhood parks, personal items are lost throughout Stony Brook's residential areas. Neighbors often post findings on local Facebook groups.
Community groups actively helping
Local Facebook and community platforms where found items are posted daily.
Active Facebook group dedicated to reuniting lost items with Stony Brook residents and University students
Local rescue and lost pet community on Facebook with active posts about found animals
Regional Facebook group covering lost and found pets across Suffolk County, including Stony Brook
Neighborhood app where Stony Brook residents post found items and help neighbors
Frequently asked questions
How long will the Animal Shelter hold a found pet?
The Brookhaven Animal Shelter (631-451-6950) typically holds found animals for a holding period before they become available for adoption. Call them immediately if your pet is missing so they can alert staff. Hours are Monday–Friday 10am–4:30pm and Saturday–Sunday 10am–3pm.
What if I lost something on Stony Brook University campus?
Contact Stony Brook University Police at their non-emergency line (631-632-6350). They maintain a lost and found for campus locations. If you're not sure whether your loss occurred on or off campus, file a report with us and we'll help you reach both campus and county authorities.
How do I claim a found item from Suffolk County Police?
Once a report is filed with Suffolk County Police, contact them at 631-852-6000 to inquire if your item has been turned in. They'll ask for a description to verify ownership before release.
Are there active lost and found groups for Stony Brook specifically?
Yes. The Stony Brook Lost and Found Facebook group is very active among University students and residents. We'll make sure your report reaches these community channels so neighbors and local members can help you search.
How long does ReportLost keep my report active?
Your report stays active for your entire chosen search period, either 12 months. During this time, we continuously cross-check new found items, posts, and listings against your report, and alert you if a credible match appears. You're not paying a monthly subscription, just a one-time fee for ongoing coverage.
Is ReportLost official, or does it replace filing with police?
ReportLost is an independent service, not affiliated with any police department or government agency. We don't replace police reports; we complement them. We route your information to the official authorities and channels you need to contact, and we keep your search active longer than any single agency would on its own. For items of significant value or criminal loss, you should also file a separate report with Suffolk County Police.
Lost & found in nearby cities
Here is where to report it.
Every moment counts, but the real advantage is what happens after you report. Your search continues automatically while you move forward, matched against hundreds of new found items every week. Let's get started.
Start my report →ReportLost.org is an independent service and is not affiliated with Stony Brook University, the University Police Department, Suffolk County Police, the Town of Brookhaven, or any other local authority. We work to route your information to the appropriate official channels, but we do not speak on their behalf or guarantee results. Always file a formal police report for losses of significant value or suspected theft.