St. Louis County Juvenile Detention Center
St. Louis County Juvenile Detention Center
County / Regional Juvenile Detention CenterMailing Address
[Youth Full Name] — [ID if known]
St. Louis County Juvenile Detention Center
100 S. Central Avenue, Clayton, MO 63105
St. Louis County Juvenile Detention Center
100 S. Central Avenue, Clayton, MO 63105
Physical Address
100 S. Central Avenue, Clayton, MO 63105
Governing Agency
St. Louis County
Inmate ID
Youth / Client ID — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Confirm the youth's current placement and current juvenile correspondence rules before sending mail.
Last verified: September 27, 2026
Verify current juvenile-facility photo rules before mailing photographs.
Last verified: September 27, 2026
Verify current juvenile publication/package rules before sending.
Last verified: September 27, 2026
Do not send cash. Verify the facility's approved youth-account procedure.
Last verified: September 27, 2026
Confirm current placement, guardian/visitor approval and visiting rules before travel.
Last verified: September 27, 2026
How to Address Your Letter
Confirm the youth's current placement and current juvenile correspondence rules before sending mail.
About St. Louis County Juvenile Detention Center
St. Louis County Juvenile Detention Center is a Missouri county, community corrections or juvenile custody-related facility record reviewed for current status and mail routing on 2026-09-27.