Southwest Idaho Juvenile Detention Center
Southwest Idaho Juvenile Detention Center
Regional Juvenile Detention CenterMailing Address
[Recipient Full Name] — [Youth / Resident ID]\nSouthwest Idaho Juvenile Detention Center
[Youth Full Name]
222 N. 12th Avenue
Caldwell, ID 83605
[Youth Full Name]
222 N. 12th Avenue
Caldwell, ID 83605
Physical Address
222 N. 12th Avenue, Caldwell, ID 83605
Phone
Governing Agency
Canyon County / Third Judicial District
Inmate ID
Youth / Resident ID — Not required
Last Verified
September 29, 2026
Facility Mailing and Service Information
Confirm the youth's current placement and use the youth's full legal name. Follow the center's current correspondence rules.
Source: Official sourceLast verified: September 29, 2026
Confirm current juvenile photo/content restrictions before mailing.
Source: Official sourceLast verified: September 29, 2026
Confirm current juvenile publication/package rules before sending.
Source: Official sourceLast verified: September 29, 2026
Do not send cash with ordinary correspondence unless the facility expressly allows it. Use the current approved inmate-account deposit method.
Source: Official sourceLast verified: September 29, 2026
Verify current visitation approval, identification, scheduling and facility rules before travel.
Source: Official sourceLast verified: September 29, 2026
How to Address Your Letter
Confirm the youth's current placement and use the youth's full legal name. Follow the center's current correspondence rules.
About Southwest Idaho Juvenile Detention Center
Current 90-bed Southwest Idaho Juvenile Detention Center serving Idaho's Third Judicial District.