Lost something in Waltham? Here is who holds found property.
One report and we route it to the Waltham Police Department, the relevant lost and found offices, and active local social channels. Then we scan the web continuously for matches while you go about your 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
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 the loss
Tell us what you lost, when and where in Waltham. We generate the exact details needed to file with local authorities and search services.
We route it to the right places
Your report goes to the Waltham Police Department, the MBTA if applicable, and other relevant lost and found offices. You don't have to figure out which precinct or which desk handles what.
Automated monitoring finds matches for you
We scan social media, local marketplaces, community boards, and MBTA listings every day for 12 months. When we spot a credible match, you get an alert. No need to check Facebook groups or Nextdoor yourself every single morning.
Where to report in Waltham
The main channels to file a loss report and check for your item.
Waltham Police Department
File a lost items report in person at 155 Lexington Street or by calling the non-emergency line. We provide the exact information to include in your report and confirm it's been filed with the right department.
Call non-emergency: 781-314-3600|City website: Police Department
MBTA Lost and Found
If you left your item on a Waltham bus or at the Waltham Center station, the MBTA has a dedicated lost and found line. We connect you with the right transit lost and found number for your route.
Waltham City Hall
City Hall may have information about lost items reported by residents or turned in to municipal offices. We point you to the right department at City Hall based on where your loss occurred.
Lost Pet
If your pet is missing in Waltham, contact Animal Control immediately and post to local pet networks. The faster you act, the better the outcome. We help you coordinate with shelters and social channels. File a priority lost pet report.
Waltham Animal Control: 781-314-3596|Lost & Found Animals on Waltham city site
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Ready to search? Start now.
The sooner you report your loss, the sooner we can start monitoring for it. Once your report is in, you can relax knowing our automated system is on the case.
Report my lost item →Losing something in Waltham means dealing with multiple places: the police, the MBTA if it was on a bus, maybe a store or venue where you left it. Each has its own lost and found process, different hours, separate phone numbers. It's exhausting to call around, post everywhere, and refresh search results daily hoping someone found your item.
ReportLost simplifies the whole process. Submit one report and we handle routing it to the Waltham Police Department, transit authorities, and local social channels. Then our system keeps watch for you across the web, scanning for posts and listings that match your loss. You can focus on your day knowing that if your item turns up, you'll hear about it automatically.
Common areas where things go missing
High-traffic spots and neighborhoods in Waltham where lost items are frequently reported.
Downtown Waltham & Main Street
The heart of the city, with shops, offices, and foot traffic. Lost items often end up at local businesses or the police station.
Waltham Center MBTA Station
A major transit hub. Backpacks, phones, and bags are regularly left on buses and station benches; check with MBTA Lost and Found first.
Charles River Reservation & Parks
Popular with joggers and families. Items lost at trails or picnic areas may be turned in to nearby facilities or the police.
Brandeis University Campus & Neighborhood
A college area with student activity. Lost items near campus might be found by students or turned in to campus security or local businesses.
Shopping Centers & Retail Districts
Shops and plazas throughout Waltham where wallets, phones, and keys are commonly misplaced and handed in to management.
Local social channels
Where Waltham residents post about lost and found items.
Active Facebook group where locals share lost and found posts and neighborhood news.
Dedicated Facebook community for lost and found pets in the Waltham area.
Subreddit for Waltham residents to discuss local issues, including lost items.
Official channels where found items and lost pets are sometimes posted by authorities.
Questions about lost items in Waltham
How long do the police and MBTA keep lost items?
The Waltham Police Department typically holds items for 30 to 90 days before disposal, though this can vary. The MBTA holds items for a similar period. It's crucial to file a report and follow up quickly, especially for valuables. ReportLost tracks your item across all these timelines so you don't miss the window to claim it.
What should I include in a lost item report?
Describe the item in detail (color, brand, distinctive marks), note the exact location where you last had it, and include the date and approximate time. We help you format this information correctly before you call or visit the police department or MBTA, making the report as effective as possible.
Should I report to the police or the MBTA first if I lost something on the bus?
Start with the MBTA Lost and Found at 617-849-9555, since they handle items left on buses directly. If it's not found within a few days, also file a report with the Waltham Police. We coordinate this process for you automatically.
What if my item was lost at a private business in Waltham?
Contact the business directly first. If they don't have it, ask them to describe the lost item to nearby stores and venues. You can also file a report with the police. We help you identify which businesses are near the loss location and suggest the best way to follow up.
How does ReportLost monitor the web for matches?
After you submit your report, our system scans Facebook groups, Nextdoor, Craigslist, local marketplaces, and other public channels continuously for posts matching your item's description, location, and date. We alert you the moment a credible match appears, saving you hours of checking sites yourself.
Is ReportLost.org official or does it replace the police report?
ReportLost is an independent service and does not replace filing an official report with the Waltham Police Department or relevant lost and found offices. We work alongside these official channels to improve your chances of recovery. Your report with the police is legally necessary; we amplify your search and automate the follow-up.
Lost & found in nearby cities
Don't search alone.
File your lost item report now and let our system watch for it. You'll get a notification the moment we spot a potential match anywhere on the web.
Start my report →ReportLost is an independent service not affiliated with the Waltham Police Department, City of Waltham, MBTA, or any other government or private entity. We complement official lost and found channels but do not replace them. Always file an official report with local authorities and relevant lost and found offices for legal documentation and priority handling.