Lost something in Mountlake Terrace? Report it and let us handle the search.
One report routed to Mountlake Terrace Police, local lost & found offices, and active community channels. Your report stays active, continuously matching against new found items, so you don't have to check back every 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
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 It Works
You Tell Us What You Lost
Describe your item, when and where you lost it. That's all you need to share. We take care of formatting the details for each local office and channel.
We Route It Everywhere That Matters
Your report reaches Mountlake Terrace Police records, City Hall, Sound Transit and Community Transit lost & found services, PAWS, local animal control, and the active Mountlake Terrace lost & found groups on Facebook and Craigslist.
Your Report Keeps Searching for Months
While you go about your life, your report stays active and automatically compares incoming found items, marketplace posts, and community updates to your description. We alert you the moment a credible match appears, so the work of looking is off your shoulders.
Where Lost Items Go in Mountlake Terrace
The right place to report depends on what you've lost and where. Here's the breakdown, and what we handle for you.
Police Non-Emergency & Records
Mountlake Terrace Police handles lost items reported in public spaces and incidents. We identify the correct precinct based on your loss location and prepare the details for you.
City Hall & Local Services
Items lost in city buildings or on city property can be reported to Mountlake Terrace City Hall. We generate the exact details to include and point you to the right department.
Sound Transit & Community Transit
Lost something on the bus or at the Mountlake Terrace Station? Both Sound Transit and Community Transit have their own lost & found systems. We tell you which transit service to contact and what info they need.
Sea-Tac Airport
If you lost an item traveling through Seattle-Tacoma International Airport, the airport lost & found keeps items for a set holding period. We include airport contact info in your report.
Lost Pet
Losing a dog or cat requires immediate action across animal control, PAWS, local shelters, and pet alert networks. Your report reaches all the right contacts at once. For a faster, dedicated pet-focused process, file a priority lost pet report.
Community & Social Channels
Mountlake Terrace has active Facebook groups and Craigslist listings for lost & found items. We post to these channels or let you know exactly where to post, so your loss gets eyes from the community.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Report Your Loss Now
The sooner you report a lost item, the better the chance of recovery. Once submitted, your report immediately enters the system and stays active in the search, connecting you with local channels automatically.
Report my lost item →Losing a wallet, ring, or pet in Mountlake Terrace means reaching out to several separate places, each with different hours and processes. The police non-emergency line, city services, transit lost & found, animal control, and community Facebook groups all handle reports independently, and without a single central alert, you end up doing the legwork every day, checking each channel hoping for news.
ReportLost simplifies that entirely. One report, one submission, and we notify every relevant local office and social channel in the right way. Then your report stays active for your entire search period, automatically monitoring for matches, so you can stop refreshing group feeds and get on with life knowing someone's looking on your behalf.
Common Places Locals Lose Items
Whether you left your ring at work, your wallet at a shop, or your phone at the park, knowing the area helps focus the search.
Downtown Mountlake Terrace
City Hall, local shops, and restaurants along 58th Avenue W are common spots where wallets, bags, and keys go missing. Report directly to store management or City Hall if lost on city property.
Mountlake Terrace Station & Transit Hub
The transit center and surrounding bus bays see frequent lost & found activity. Items left on Sound Transit or Community Transit buses are held at the station; report immediately to improve your odds.
Mountlake Terrace Recreation Center & Parks
Public parks and the rec center are popular gathering spaces where phones, glasses, and pet leashes get left behind. Contact the Parks & Recreation department through City Hall if lost on city grounds.
Shopping & Residential Areas
QFC, retail stores, and neighborhood streets account for many reports. Lost items here are either held by store security or turned in to local police if found in public.
Community & Social Channels
Active Mountlake Terrace groups and regional forums where locals post and find lost items every day.
A dedicated group for missing and found pets in the area, with daily activity and reunions.
Regional subreddits where Mountlake Terrace residents post about lost items and pets; good for reaching tech-savvy locals quickly.
Local classifieds section where found items are posted by residents and businesses.
Official city pages sometimes repost lost & found alerts from residents and police.
Questions & Answers
How long does Mountlake Terrace Police hold lost & found items?
Police records department will hold items, but holding periods vary. Contact them at 425-670-8260 or 425-407-3999 (non-emergency) during business hours (Monday–Friday, 7:30 a.m. to 5 p.m.) to ask about a specific item and how long it will be kept.
What should I do if I lost my item on a Sound Transit or Community Transit bus?
Call Sound Transit at 206-553-3000 or Community Transit at 425-348-2350 with a description of your item. You can also file a report online. Items are typically held at the Mountlake Terrace Station or the respective transit office. We include these contacts and forms in your report.
How do I report a lost pet to Animal Control?
Call Mountlake Terrace Animal Control at 425-670-8260 Ext. 4426 for a lost pet, or the non-emergency line at 425-407-3999 to report a found pet. PAWS (425-787-2500) also accepts lost & found pet reports daily from 11 a.m. to 5 p.m. For faster, dedicated pet support, consider filing a priority lost pet report with ReportLost.
Where should I check if I lost my item at City Hall or a city building?
Contact Mountlake Terrace City Hall at 425-776-1161 (Monday–Friday, 8 a.m. to 5 p.m.). We prepare the details to give them the best description and can direct you to the right department based on where you lost the item.
I lost something at Sea-Tac Airport. How do I claim it?
Contact the Sea-Tac Lost & Found at 206-787-5312 (open 8 a.m. to 6 p.m., 7 days a week) or visit the Baggage Claim Level across from Carousel 13. Provide a description and your contact info. Items are held for a limited time, so call soon.
Is ReportLost.org an official service or does it replace the police?
ReportLost is an independent, privately operated service that streamlines the reporting process by routing your information to the right local offices and channels all at once, and then keeping your report active for months. We do not replace the police or official lost & found offices, but we simplify the work of notifying them and monitoring for matches on your behalf, so you don't have to contact each place separately or check back repeatedly.
Lost & found in nearby cities
Ready? Start Your Report
The faster you report a lost item, the faster it can be found and reunited with you. Your report will be routed to Mountlake Terrace Police, transit services, city departments, and community channels, then monitored continuously for matches over the next 12 months. Take the next step now.
Start my report →ReportLost.org is an independent service and is not affiliated with or endorsed by Mountlake Terrace Police Department, City of Mountlake Terrace, Sound Transit, Community Transit, PAWS, or any local government or transit agency. We are a third-party reporting and alert service designed to assist you in notifying relevant local offices and monitoring for matches. Always verify contact information and procedures directly with official agencies.