Lost something in Mastic? Report it and we'll search for you.
One report connects you to the Suffolk County Police Department, the Town of Brookhaven, local lost and found networks, and active community channels. Your report stays active, automatically matching against new found items so you don't have to check daily.
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 ReportLost works in Mastic
You report your loss
Tell us what you lost, where, and when. We gather the details needed to file with local authorities and community networks—no back and forth required.
We route it to the right places
Your report goes directly to the Suffolk County Police Department's Property Section, the Town of Brookhaven, and relevant lost and found channels across Mastic—so you only submit once.
Your report keeps searching
For your entire search period, your report automatically checks for matches against new found items posted in local groups and marketplaces. We alert you the moment a credible match appears—your signalement works while you move on.
Where to report a loss in Mastic
These are the main channels—but ReportLost handles alerting them for you.
Suffolk County Police Department
Report lost property to the precinct where the loss occurred, or contact the Property Section directly. We generate the right precinct details and file your report so you don't have to navigate the system yourself.
Property Section: 631-852-6465|Non-emergency: 631-852-6000|Police Department contact
Town of Brookhaven
Mastic is part of the Town of Brookhaven. Town Hall can help direct your report to the right local department and keep a record of losses in the area.
Local businesses and venues
If you lost your item at a restaurant, retail store, library, gas station, or the Mastic Recreation Center, call or visit directly to check their lost and found. ReportLost helps you identify which business to contact and what details to provide.
Lost pet
If you've lost a cat or dog in Mastic, time matters. Post immediately to local pet recovery networks like PawBoost, the Long Island Lost & Found Pets Facebook group, and contact nearby shelters. To get full support tailored to your lost pet, file a priority lost pet report.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
The sooner you report, the better your chances
The first hours and days after a loss are critical. Starting your report with ReportLost now means your item description is already in the system, your signalement is already being cross-checked against found items, and the right local services have your details. You can take a breath—your report is working.
Report my lost item →Losing your wallet, ring, phone, or other valuables in Mastic means contacting multiple channels: the police precinct, local community Facebook groups, neighborhood apps, and sometimes the specific business or venue where you lost it. That takes time, and each place works independently. ReportLost condenses that whole process into one report, filed with all the right local services at once.
Once you've reported, the hard part is over. Your signalement remains active in our search system, continuously matching against new lost and found posts, classified ads, and community alerts across the area. You won't have to refresh pages or post the same description over and over. If someone finds your item and reports it, or if it turns up in a local lost and found, your report is there to make the connection.
Common places to lose items in Mastic
If you remember where you were when you last had your item, let us know. We'll route your report to the relevant precinct and local services.
Mastic Beach
The waterfront and beach areas are popular gathering spots where wallets, phones, and jewelry are often left behind or dropped.
Neighborhood Road & Downtown Mastic
The main commercial and residential corridor, including shops, restaurants, and local services where people frequently misplace everyday items.
Mastic Recreation Center
A community hub for sports, events, and activities where personal belongings are commonly left in lost and found.
Main transit corridors
Bus stops and transport hubs where items get left behind during commutes or travel to nearby areas.
Community networks where lost items are reported
Mastic residents and nearby Long Island communities share lost and found alerts through these channels. Your ReportLost signalement will be amplified here.
Facebook group where lost and found pets across Long Island, including Mastic, are posted and shared
Official and community posts about neighborhood news and community items
Platform for posting and tracking lost and found pets in the Mastic and Mastic Beach area
Reddit community for Long Island residents discussing local lost and found reports
Neighborhood app where Mastic residents post about missing items and community alerts
Questions about reporting a loss in Mastic
How long does the Suffolk County Police Department hold lost property?
The exact holding period varies by precinct and item type. Contact the Property Section at 631-852-6465 to ask about your specific item. ReportLost files your report with them, so they have your contact information and description on file.
Which precinct covers Mastic?
Mastic is served by the Suffolk County Police Department's 7th Precinct (located in Shirley, NY). When you report through ReportLost, we ensure your report reaches the right precinct based on where your loss occurred.
What if I lost my item on a local bus or shuttle?
Contact the transit company or local bus service directly. If it's a Suffolk County-operated service, call the non-emergency number (631-852-6000) to ask about their bus lost and found procedures. ReportLost will point you to the right contact.
Can I report lost items to Mastic Beach Village Hall directly?
Yes. Village Hall is located at 369 Neighborhood Road, Mastic Beach, and is open Monday through Friday, 9 a.m. to 4 p.m. (except holidays). They can also direct you to the appropriate police precinct or local service.
How does ReportLost's automatic search work?
Once your signalment is filed, it stays active in our system for your entire search period (12 months). We automatically check local lost and found posts, community alerts, classifieds, and marketplace listings for matches to your item description. If a credible match appears, we send you an alert right away. You don't have to monitor groups or sites yourself—your report is doing that for you.
Is ReportLost.org official, or does it replace the police?
ReportLost is an independent service. We're not part of any police department or government agency, but we work with them: we file your report directly with the Suffolk County Police Department, the Town of Brookhaven, and local lost and found networks. Filing with ReportLost does not replace filing with the police, but it coordinates the reporting for you, and our signalement system keeps searching long after you've filed—that's what we do that the police don't.
Lost & found in nearby cities
Ready to find your lost item?
The sooner your report is in the system, the sooner we can start matching it against lost and found posts, community alerts, and local channels across Mastic. One report, all the right places, and your signalement stays active until you find what you're looking for.
Start my report →ReportLost.org is an independent service and is not affiliated with the Suffolk County Police Department, the Town of Brookhaven, any local government agency, or any private business mentioned on this page. We work to file reports on your behalf with the appropriate authorities and community channels, but we are not a law enforcement agency. For emergencies, always call 911.