Lost and found in Watertown, Massachusetts: how to report and track your item
In Watertown, lost belongings are claimed through the police department, the MBTA (if lost on transit), Boston Logan Airport (for air travel), or directly at local businesses and venues. ReportLost files your report with the relevant office and keeps it active, so you don't have to check back yourself.
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
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 helps you recover a lost item in Watertown
You report the loss
Describe what you lost, where, and when. We collect the details needed to alert the right office in Watertown.
We route your report to the right place
We file your report where the department accepts third-party reports, and tell you which office to contact directly if needed. We also alert local community channels and monitor relevant marketplaces.
Your report stays active and keeps searching
For 12 months, your report continues to match against new found items, posts, and local activity. You'll receive an alert if a credible match appears, so you don't need to do the searching yourself.
Where to report lost items in Watertown
Each of these offices holds unclaimed property separately. ReportLost tells you which one is right for your situation.
Watertown Police Department
Items lost on the street, in parks, or in other public spaces in Watertown are typically handled by the police. We identify the right precinct based on where you lost your item.
MBTA Lost and Found
If you left something on an MBTA bus in or near Watertown, the transit authority holds it at their lost and found facility. Call the MBTA number for your route or transit mode to check.
Boston Logan Airport
Items left at Logan Airport, whether in terminals, shops, restaurants, or on aircraft, are handled by Massport or the relevant airline. The Lost and Found office is located between Terminals C and E on the Arrivals level.
Shops, restaurants, and venues
Items left at specific businesses, restaurants, or public venues in Watertown are held by those establishments. Most keep lost property for 30 to 90 days. Contact the location directly to ask.
Lost pet
If you've lost a cat or dog in Watertown, contact Animal Control immediately. They also coordinate with the MSPCA and local shelters. Time matters for pets, so report right away and also post in local pet groups.
City Hall
For items lost in municipal buildings or on city property, or if you're unsure which office to contact, Watertown City Hall can point you to the right department.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Ready to report your loss?
Filing your report takes a few minutes. Once submitted, our team will route it to the right office and begin the 12-month search process.
Report my lost item →Losing something in Watertown can mean contacting multiple offices: the police if it was lost on the street, the MBTA if you left it on a bus, a shop or restaurant if it was there, or Logan Airport if it involves air travel. Each office holds items separately, and there's no single registry to check.
ReportLost simplifies this by filing your report where it matters most, alerting community channels that help reunite locals with their belongings, and maintaining an active watch on local sites and groups for the full 12 months. Once your report is filed, the work moves forward automatically while you get on with your day.
Common places where items are lost in Watertown
These areas see regular foot traffic and are where lost items are most often reported.
Main Street and downtown
Shops, restaurants, and pedestrian areas along Watertown's main commercial corridor.
MBTA bus routes
Items left on buses, particularly along routes serving downtown Watertown and connecting to Cambridge.
Parks and recreation areas
Green spaces including those near the Charles River, where personal items are frequently misplaced.
Residential neighborhoods
Local streets, parking areas, and community spaces throughout Watertown's residential zones.
Community channels where lost items are shared
Local residents often post about found items on these platforms. ReportLost also alerts these communities on your behalf.
Facebook group for lost and found pets in the Watertown area
Multi-town Facebook group for lost and found pets in the region
Reddit community for Watertown residents, sometimes used to post about lost items
Official Facebook page where community information is shared
Frequently asked questions about lost items in Watertown
How long does the Watertown Police Department hold lost items?
Items held at the police department are generally kept for a set period before disposal. Contact the Records Unit at 617-972-6527 to ask about your specific item, or check with them directly for the current retention policy.
How do I claim something I lost on an MBTA bus?
Call the MBTA Lost and Found line at 617-849-9555 (Monday to Friday, 9 AM to 4 PM) and provide details about your item, the route, and when you lost it. If they find it, you'll arrange pickup at their facility.
I lost something at Logan Airport. Where do I go?
Visit the Lost and Found office on the Arrivals level between Terminals C and E, or contact Massport. If your item was left on a plane, contact the airline directly.
How long do shops and restaurants in Watertown keep lost items?
Most businesses keep lost property for 30 to 90 days. Contact the specific location as soon as possible, as items are often discarded or donated after that period.
I lost my dog in Watertown. What's the first step?
Call Watertown Animal Control immediately at 617-972-6446. They will check local shelters and work with the MSPCA. Post in local pet Facebook groups and on PawBoost as well, and consider filing a priority lost pet report with ReportLost.
Is ReportLost.org an official government service?
No. ReportLost is an independent platform that files reports on your behalf with the relevant local offices and maintains an active search across community channels and marketplaces for 12 months. We are not affiliated with Watertown Police, the MBTA, or any government agency, but we work with them to help reunite people with their lost items.
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File your report and let us handle the search
You've already lost enough time. Submit your details now, and your report will be filed with the right office and kept active while you focus on what matters.
Start my report →ReportLost.org is an independent service and is not affiliated with the Watertown Police Department, City of Watertown, MBTA, Boston Logan Airport, or any other government or transit agency. We file reports as a third party where accepted and maintain active searches through community channels and public sources. For emergencies, always call 911. For questions about specific items or retention policies, contact the relevant office directly.