Lost and Found in Emerald Lake Hills, California
Report a lost item to San Mateo County Sheriff, check with local businesses and community groups, or use ReportLost's free public listing and optional paid search services.
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
California : found property must be held by law enforcement for at least 90 days before it can pass to the finder, be auctioned or disposed of. (California Civil Code §2080.2)
No report has been filed in Emerald Lake Hills yet. Yours would be the first, and it gets a public page that anyone who finds your item can search.
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 to Report a Lost Item
Create a Report
Post your lost item for free on ReportLost. Include photos, a detailed description, when and where you lost it, and how to contact you. The listing will be visible to anyone searching the site.
Choose a Search Option
Automatic search, $12 once: 6-month web search, anonymous email, QR stickers. Team-assisted search, $25 once: 12-month search, manual outreach to local services and community groups, potential posting to Nextdoor and Facebook groups.
Contact Local Services
Call San Mateo County Sheriff's non-emergency line at 650-363-4911 ext. 1 to report to police. Check with businesses and places where you were last seen. Post on local Nextdoor or Facebook community groups.
Where to Report and Search
Contact these local services to report your lost item and search for it.
San Mateo County Sheriff
Report a lost item to the Sheriff's non-emergency line. You can make a report directly, but the Sheriff does not actively search for lost personal property. Ask about any items turned in to their lost and found.
Local Businesses and Places
Call or visit the specific location where you lost your item (store, restaurant, gas station, parking lot). Many keep lost and found items for 30 to 90 days. Ask to speak with a manager and provide a detailed description.
Lost Pet
If you've lost a pet, contact San Mateo County Animal Control or check with local shelters and veterinary clinics. Post on Nextdoor and community Facebook groups dedicated to the area.
⚠️ Spotted incorrect or outdated information? Let us know so we can review it.
Ready to Post Your Lost Item?
Create a free public report on ReportLost to reach community members searching the site. Add photos and clear details so finders can identify your item.
Create a report →Emerald Lake Hills is an unincorporated neighborhood in San Mateo County. Lost items are typically handled by San Mateo County Sheriff and local businesses where you were last seen.
ReportLost offers a free public listing to help you connect with finders, plus paid options for automated web searching and direct outreach to local services. These services complement direct contact with police and community posting.

Common Areas in Emerald Lake Hills
Check these neighborhoods and nearby locations if your item may have been dropped or taken.
Downtown Emerald Lake Hills
Residential and commercial areas near main streets and local shops.
Jefferson Street Corridor
Busy thoroughfare with traffic; common area for lost items in vehicles or on roadside.
Community Groups
Post on local platforms to reach neighbors who may have found your item.
Post in your local Nextdoor neighborhood feed for immediate visibility.
Search for 'Emerald Hills' or 'Emerald Lake Hills' community groups and lost and found pages.
Post on the Bay Area subreddit if relevant.
Frequently Asked Questions
How long do businesses keep lost and found items?
Most businesses keep lost items for 30 to 90 days before discarding or donating them. Contact the place where you lost your item as soon as possible and ask to speak with a manager.
Should I file a police report for a lost item?
Police focus on stolen property, not lost items. You can report a lost item to San Mateo County Sheriff's non-emergency line for their records, but recovery is your responsibility. If you believe your item was stolen, you may file a theft report at 650-363-4911 ext. 1.
Is ReportLost an official service?
No. ReportLost is an independent service. It is not part of the Sheriff's office, police, or city government. Free public listing is a community resource; paid search options provide additional web searching and outreach on your behalf.
Lost & found in nearby cities
Compare Your Search Options
Choose the service level that fits your situation. All options start with a free public report; paid tiers add web search and local outreach.
Compare search options →ReportLost is an independent service and is not affiliated with San Mateo County Sheriff, city government, or local law enforcement. Always report to local police or Sheriff for items you believe were stolen. Verify all contact information before calling.