Cass County Jail
Cass County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate / Resident Full Name]
Cass County Jail
2501 W. Mechanic Street, Harrisonville, MO 64701
Cass County Jail
2501 W. Mechanic Street, Harrisonville, MO 64701
Physical Address
2501 W. Mechanic Street, Harrisonville, MO 64701
Governing Agency
Cass County Sheriff's Office
Inmate ID
Inmate / Booking ID — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use the incarcerated person's full legal name and a complete sender return address. Verify current Cass County Jail mail rules before sending correspondence.
Source: Official sourceLast verified: September 27, 2026
Verify current photo size, quantity and content restrictions before sending photographs.
Source: Official sourceLast verified: September 27, 2026
Verify current book, publication and package rules before sending.
Source: Official sourceLast verified: September 27, 2026
Do not mail cash unless explicitly permitted. Use the facility's current approved inmate-account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current visitor approval, identification and scheduling requirements before travel.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Use the incarcerated person's full legal name and a complete sender return address. Verify current Cass County Jail mail rules before sending correspondence.
About Cass County Jail
Cass County Jail is a Missouri county, community corrections or juvenile custody-related facility record reviewed for current status and mail routing on 2026-09-27.