Lost something in Sioux City? We'll help you get it back.
File one report and we notify the Sioux City Police Department, Sioux Gateway Airport, Sioux City Transit, animal control, and all active local channels. Then our system monitors the web continuously for matches.
๐Recently reported lost items in Sioux City โ updated this July 19, 2026
- ๐ Thermos lost near Sodrac Park, July 16.
- ๐ Medical bag lost near Rose Hill Neighborhood Park, July 14.
- ๐ Scarf and gloves lost near Town & Country Motel, July 13.
How ReportLost works
You file one report
Tell us what you lost, when, and where in Sioux City. We generate all the details needed for the right agencies and channels.
We route it to the right places
Your report goes directly to the Sioux City Police Department, Sioux City Transit if applicable, Sioux Gateway Airport if relevant, local animal control, and community lost and found groups across the city.
Automated monitoring finds matches for you
We scan Facebook groups, Nextdoor, marketplace listings, and web posts for 6 to 12 months, looking for items matching your description, location, and timeline. You'll get an alert the moment we find a credible match, so you never have to check daily yourself.
Where and how to report in Sioux City
Go direct if you prefer, or let us coordinate it all for you.
Sioux City Police Department
The police record lost property reports and hold items for a set period. Call their records line during business hours or visit the station at 601 Douglas Street. We tell you which precinct covers your loss location and generate the exact details to include in your report.
Sioux Gateway Airport
If you lost something at the airport terminal, check the information desk during business hours or call their lost and found line. For items left on a flight, United Airlines has a separate lost luggage service. We ensure your report reaches airport staff automatically.
Sioux City Transit System
Lost something on a bus? Call the transit administration right away; items are held for a limited time before disposal. The dispatch office at the MLK Transportation Center (501 Nebraska Street) can also help retrieve items. We contact transit staff on your behalf.
Sioux City City Hall & Customer Service
City Hall can direct you to lost property procedures and may hold items found in public spaces. Their customer service team answers questions about where to report based on location. We point you to the right desk and follow up on your behalf.
Lost Pet
If you've lost a dog, cat, or other pet, contact animal control immediately and reach out to Siouxland Humane Society, which runs a computerized lost and found pet service. The community also rallies through dedicated Facebook groups like 'LOST PETS OF SIOUX CITY & SURROUNDING AREAS'. For a faster, more thorough response, file a priority lost pet report with us.
Siouxland Humane Society: 712-252-2614|Animal Control: 712-279-6968
โ ๏ธ Spotted incorrect or outdated info on this page? Let us know, we fix it fast.
The sooner you report, the better
Acting quickly improves the odds that your item is still recoverable and hasn't been moved or disposed of. Once you submit your report to us, our team takes over the coordination and monitoring. You can breathe easier knowing we're actively searching the web on your behalf.
Report my lost item โLosing something in Sioux City is stressful, and the response is fragmented. The police take reports one way, the airport another, the transit system has its own process, and community members post finds on scattered Facebook groups. By the time you figure out which agency to call or which group to check, precious time passes and leads go cold.
ReportLost bridges that gap. One submission to us, and we notify every relevant authority and local channel in Sioux City. Better yet, our system keeps searching the web on your behalf for months, automatically scanning lost and found posts, marketplace listings, and social media. You submit once, and then you can focus on your day while we handle the legwork and alert you instantly if we spot a match.

Common places to lose things in Sioux City
We monitor reports from all over the city. No matter where you lost it, tell us.
Downtown & 6th Street
The heart of Sioux City, with shops, restaurants, and the central business district. Items are frequently left in retail stores and restaurants.
Sioux Gateway Airport (SUX)
Travelers lose belongings at gates, security, and baggage claim daily. Quick reporting increases the chance of recovery before flights depart.
Sioux City Transit Buses
Commuters leave phones, bags, and documents on buses and at transit centers. Transit staff hold items for a short window.
Riverside Parks & Recreation Areas
Along the Missouri River and in city parks, items are lost during outings. Community members often find and post items in local groups.
Retail & Shopping Centers
Malls and shopping areas see frequent losses. Store staff typically keep found items for a week or two before discarding them.
Community lost and found channels
Sioux City residents actively share found items on social media. We post to these channels for you and monitor them continuously.
Active group for posting and searching lost and found items across the city
Dedicated community for missing and found pets
Official city page where lost and found notices may be shared
Neighborhood social network where locals often post found items
Frequently asked questions
How long does the Sioux City Police Department hold lost items?
The police typically hold unclaimed lost property for 30 to 90 days before disposal, depending on the item's nature. It's important to report and claim items promptly. Check with the records line at 712-279-6440 for specifics on your item.
What happens to items left on Sioux City Transit buses?
Transit holds found items at the dispatch office (MLK Transportation Center, 501 Nebraska Street) for a limited period. Call 712-279-6404 as soon as you realize you've lost something on the bus, as items may be disposed of after a few weeks.
If I lost something at Sioux Gateway Airport, how do I claim it?
Contact the airport's lost and found desk at 712-279-0169 during business hours (Monday to Friday, 7am to 4pm), or ask at the information desk if you're at the terminal. For items left on a United flight, call United Airlines lost luggage at 800-335-2247.
How do I report a lost pet in Sioux City?
Call Siouxland Humane Society at 712-252-2614 immediately and post to 'LOST PETS OF SIOUX CITY & SURROUNDING AREAS' on Facebook. Animal control can also be reached at 712-279-6968. They maintain a computerized service to match lost and found pets.
Can I search lost and found posts myself without using ReportLost?
Yes, you can manually check the Sioux City Lost and Found Facebook group, call each agency, and monitor marketplace posts yourself. However, this is time-consuming and you might miss posts published when you're not looking. ReportLost automates the entire process, scanning the web continuously for six to twelve months so you don't have to check daily.
Is ReportLost.org official, or does it replace calling the police?
ReportLost is an independent service, not part of the Sioux City Police Department or city government. We complement official reporting by coordinating your report across all relevant agencies and channels, then monitoring the web on your behalf. You're not replacing direct contact with the police; you're ensuring your report reaches them and stays searchable across the community for months.
Lost & found in nearby cities
File your report now
The first few hours after a loss are critical. Submit your details to ReportLost, and we'll immediately notify the Sioux City Police, transit staff, airport, animal control, and local community groups. Our monitoring system starts searching right away and will alert you if we find a match.
Start my report โReportLost.org is an independent service and is not affiliated with the Sioux City Police Department, City of Sioux City, Sioux City Transit, Sioux Gateway Airport, Siouxland Humane Society, or any other government or private agency mentioned. We coordinate reporting and monitor public channels on your behalf, but we do not guarantee recovery of lost items. Always contact local authorities and relevant agencies directly if you prefer to report in person or need immediate assistance.