Will County Detention Facility
Will County Detention Facility
County Adult Detention Facility / JailMailing Address
Smart Communications / Will Co. Adult Det. Ct.
[Inmate Full Name] — [Booking Number]
P.O. Box 9172
Seminole, FL 33775-9175
[Inmate Full Name] — [Booking Number]
P.O. Box 9172
Seminole, FL 33775-9175
Physical Address
95 S. Chicago Street, Joliet, IL 60436
Phone
Governing Agency
Will County Sheriff's Office
Inmate ID
Booking Number — Required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Address personal mail to Smart Communications / Will Co. Adult Det. Ct., inmate full name and Booking Number, P.O. Box 9172, Seminole, FL 33775-9175.
Source: Official sourceLast verified: September 27, 2026
Confirm current Smart Communications/Will County image restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Publications/packages follow separate Will County procedures; do not send them to the personal-mail processor unless specifically authorized.
Source: Official sourceLast verified: September 27, 2026
Use current Will County JailATM/approved deposit methods rather than enclosing cash in personal mail.
Source: Official sourceLast verified: September 27, 2026
Verify current custody and Will County visitation procedures before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Use Smart Communications / Will Co. Adult Det. Ct., inmate full name and Booking Number, P.O. Box 9172, Seminole, FL 33775-9175. The physical Will County Adult Detention Facility is at 95 S. Chicago Street in Joliet.
About Will County Detention Facility
Will County Adult Detention Facility is at 95 S. Chicago Street in Joliet. Personal mail is processed through Smart Communications in Seminole, Florida.