St. Charles County Juvenile Detention Center
St. Charles County Juvenile Detention Center
County Juvenile Detention CenterMailing Address
[Youth Full Name] — [ID if known]
St. Charles County Juvenile Detention Center
1700 S. River Road
St. Charles, MO 63303
St. Charles County Juvenile Detention Center
1700 S. River Road
St. Charles, MO 63303
Physical Address
1700 S. River Road, St. Charles, MO 63303
Phone
Governing Agency
St. Charles County Juvenile Justice Center
Inmate ID
Youth / Client ID — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
The juvenile detention facility is at 1700 S. River Road, St. Charles, MO 63303. Confirm the youth's current placement and current juvenile correspondence rules before mailing.
Source: Official sourceLast verified: September 27, 2026
Verify current juvenile-facility photo rules before mailing photographs.
Source: Official sourceLast verified: September 27, 2026
Verify current juvenile publication/package rules before sending.
Source: Official sourceLast verified: September 27, 2026
Do not send cash. Confirm any approved youth-account process with the Juvenile Justice Center.
Source: Official sourceLast verified: September 27, 2026
Confirm current youth placement and Juvenile Justice Center visitation requirements before travel.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
The juvenile detention facility is at 1700 S. River Road, St. Charles, MO 63303. Confirm the youth's current placement and current juvenile correspondence rules before mailing.
About St. Charles County Juvenile Detention Center
St. Charles County Juvenile Detention Center is a Missouri county, juvenile or detention facility record reviewed for current status and mail routing on 2026-09-27.