Crime Laboratory

The St. Louis County Crime Laboratory has been a forensic service provider to the citizens of St. Louis County since July 1966.  The laboratory currently services the St. Louis County Police Department, nearly ninety municipal police agencies within St. Louis County, as well as several federal agencies. 

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Contact Information

7900 Forsyth Blvd Clayton, MO 63105

8:00 a.m. to 4:30 p.m. (The Lab is closed on all St. Louis County Government Holidays)