Modoc County Jail
Modoc County Jail
County JailMailing Address
102 S. Court Street, Alturas, CA 96101
Physical Address
102 S. Court Street, Alturas, CA 96101
Governing Agency
Modoc County Sheriff's Office
Inmate ID
Inmate ID / Booking Number — Not required
Last Verified
September 29, 2026
Facility Mailing and Service Information
Verify the person's current custody/placement and identifier before mailing. Use the recipient's full legal name and follow the facility's current correspondence rules.
Source: Official sourceLast verified: September 29, 2026
Verify current photograph size, quantity and content restrictions before mailing.
Source: Official sourceLast verified: September 29, 2026
Verify current publication/package source and content rules before ordering.
Source: Official sourceLast verified: September 29, 2026
Do not send cash with ordinary correspondence. Use the current approved account-deposit method.
Source: Official sourceLast verified: September 29, 2026
Verify current visitor approval, identification, scheduling and facility rules before travel.
Source: Official sourceLast verified: September 29, 2026
How to Address Your Letter
Verify the person's current custody/placement and identifier before mailing. Use the recipient's full legal name and follow the facility's current correspondence rules.
About Modoc County Jail
Modoc County Jail is the county adult detention facility in Alturas.