Osage County Jail
Osage County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate ID if known]
Osage County Jail
131 W. 14th Street, Lyndon, KS 66451
Osage County Jail
131 W. 14th Street, Lyndon, KS 66451
Physical Address
131 W. 14th Street, Lyndon, KS 66451
Governing Agency
Osage County Sheriff's Office
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Osage County moved into its new Sheriff's Office and 124-bed jail facility in February 2025. Use the current Law Enforcement Center at 131 W. 14th Street, Lyndon, KS 66451; do not use the former 702 Ash Street jail address.
Source: Official sourceLast verified: September 27, 2026
Confirm current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Confirm current approved publisher/vendor and package rules before ordering books, magazines or newspapers.
Source: Official sourceLast verified: September 27, 2026
Do not enclose cash unless specifically authorized. Use the facility's current approved inmate-account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor approval requirements and the current visitation or video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Osage County moved into its new Sheriff's Office and 124-bed jail facility in February 2025. Use the current Law Enforcement Center at 131 W. 14th Street, Lyndon, KS 66451; do not use the former 702 Ash Street jail address.
About Osage County Jail
Osage County Jail is a Kansas detention/corrections record reviewed for current mailing and facility status on 2026-09-27.