Napa County Department of Corrections Jail
Napa County Department of Corrections Jail
County Jail / Department of Corrections FacilityMailing Address
1125 3rd Street, Napa, CA 94559
Physical Address
1125 3rd Street, Napa, CA 94559
Governing Agency
Napa County Department of Corrections
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 Napa County Department of Corrections Jail
Napa County Department of Corrections operates the county jail at 1125 Third Street in Napa.