The St. Mary’s County Sheriff’s Office is Moving to a New Alert System 
The St. Mary’s County Sheriff’s Office is Moving to a New Alert System
The Sheriff’s Office is transitioning to a new platform called tip411 for public alerts and anonymous tips.
Nixle alerts will end on November 12, 2025.
To continue receiving verified alerts from the Sheriff’s Office, please sign up for tip411 today.
🔹 Sign up for email or text alerts: www.FirstSheriff.com/tips
🔹 Download the free “SMCSO” app: Available in the Apple App Store and Google Play Store
tip411 also allows you to share information anonymously:
Text SMCSO + your message to 847411, submit online at www.FirstSheriff.com/tips, or send a tip through the SMCSO app.
In an emergency, always call 911.
Address/Location
St. Mary's County Sheriff's Office
23150 Leonard Hall Dr
Leonardtown, MD 20650
Contact
Emergency: 9-1-1
Non-emergencies: 301-475-8008