Lost something in Black Diamond? Report it and we'll get it searched.
One report connects with the Black Diamond Police Department, City Hall, local transit services, and active community channels. Your report stays active, automatically matching against new found posts and listings.
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
Washington : the owner's claim window is 60 days, shorter than in most states, and a finder must report the find within 7 days. (RCW 63.21)
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 for Black Diamond residents
You describe your loss
Tell us what you lost, where, and when. We collect the details that matter most to local recovery efforts.
We route it to the right places
Your report goes straight to the Black Diamond Police Department's Records and Evidence team, City Hall, Pierce Transit, and gets posted to the community channels where locals actually search.
Your report keeps searching
We don't stop after day one. Your report stays active for 12 months, automatically matching new found postings and community announcements, so you don't have to refresh every group yourself.
Where to report in Black Diamond
Key local channels and what we handle for you
Black Diamond Police Department
The Police Department maintains a Records and Evidence unit for recovered property. You can call to ask if your item has been found and to schedule an appointment to reclaim it. We tell you which precinct covers your loss location and generate the report details they need.
City Hall
Black Diamond City Hall can assist with lost items found on city property or in public spaces. Contact the main line to report a loss or check whether something has been turned in. We point you to the right office and help frame your inquiry clearly.
Pierce Transit & Community Transit
If you left your item on a bus, both Pierce Transit and Community Transit maintain lost and found services. Items are usually held for a limited time before disposal. We help you contact the right transit provider and file a formal lost item report.
Pierce Transit: 253-581-8000|Community Transit: 425-348-2350
Lost Pet
If you've lost a dog, cat, or other pet in Black Diamond, contact the Police Department immediately at 360-851-4450, and post in Lost Dogs of King County and Lost and Found Pets of Pierce County on Facebook. Local residents monitor these groups closely. For faster coordination and ongoing search coverage, 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 odds
Once your report is submitted, the heavy lifting passes to us. We ensure the right people know about your loss and keep looking on your behalf for months to come.
Report my lost item →Losing something in Black Diamond hits hard, especially when local recovery channels operate independently. The Police Department has a dedicated Records and Evidence office, City Hall handles certain lost items, local transit may have found your belongings, and community Facebook groups see new posts daily. Without one connected report, your lost item can slip through the gaps.
ReportLost bridges those gaps with a single submission that reaches all the right places at once. Once you report, our system keeps your description active and automatically compares it against new found items posted online, alerts, and recovered inventory across the county. You can breathe, knowing your report is working for you, not sitting static on a shelf.
Common places to lose items in Black Diamond
If you remember where you lost something, tell us. We'll know where to focus first.
Downtown & Roberts Drive
City Hall, shops, and community gathering spaces along Roberts Drive where foot traffic is heaviest.
Lawson Street
Police Department, municipal offices, and local businesses on Lawson Street in the civic center.
Parks & Recreation Areas
Local parks and outdoor spaces where wallets, phones, and keys are frequently left behind.
Transit Stops & Bus Routes
Bus stops and Pierce Transit or Community Transit routes where items slip out of bags and pockets.
Community channels actively searching
These groups and networks see new found posts every day
Facebook group with thousands of residents posting and helping reunite lost pets
Active Pierce County group covering Black Diamond and surrounding areas
Official city police page that shares lost and found notices
Official city page where community notices and lost item alerts are posted
Reddit community discussing lost items across the greater Seattle area
Questions about losing and finding in Black Diamond
How long does the Police Department keep lost and found items?
The Black Diamond Police Department holds recovered property in their Records and Evidence unit. Call 360-851-4450 to ask about your specific item and confirm how long it will be retained. Items may be held for a set period before disposal, so timing matters.
How do I claim something from the Police Department's lost and found?
You must call 360-851-4450 to schedule an appointment. The Records and Evidence unit is in a restricted area, so walk-ins are not available. Be ready to describe your item and provide identifying details.
What if I lost something on a Pierce Transit or Community Transit bus?
Contact Pierce Transit at 253-581-8000 or Community Transit at 425-348-2350 as soon as possible. Describe your item and provide the date, time, and bus route. Items in transit lost and found are typically held for 30 to 60 days.
Are there Facebook groups where people post found items in Black Diamond?
Yes. Lost Dogs of King County WA and Lost and Found Pets of Pierce County are very active. The Black Diamond Police Department and City of Black Diamond Facebook pages also post community alerts. Nextdoor and neighborhood-specific groups often see found item posts too.
Should I file a police report if I lost my wallet or purse?
If your wallet or purse contained important IDs, credit cards, or cash, calling the Police Department at 360-851-4450 to report the loss can help if the item is turned in as evidence. You'll also want to contact your bank and credit card companies immediately. ReportLost ensures your description reaches police and community channels so others know to look for it.
Is ReportLost.org official or connected to the Black Diamond Police Department?
ReportLost is an independent service, not part of the Police Department or City of Black Diamond. We're a private platform that helps you file reports and distribute them to the right local authorities and community channels. We don't replace calling the police directly, but we amplify your report and keep it searchable while you move on with your life.
Lost & found in nearby cities
Get your report searching today
The first step is the fastest. File your report now, and within minutes your lost item description will be on its way to the Black Diamond Police Department, City Hall, transit services, and local community groups. Then our system takes over, matching your report against new found posts for months.
Start my report →ReportLost.org is an independent lost-and-found service and is not affiliated with the City of Black Diamond, the Black Diamond Police Department, City Hall, Pierce Transit, Community Transit, or any other local government or transportation agency. We partner with these entities by directing your reports to them and posting alerts in community channels, but we do not speak for them or represent their policies. Always contact these agencies directly for official guidance on lost and found procedures, item retention periods, or claim eligibility. Our service complements, but does not replace, direct contact with local authorities.