High Desert State Prison (HDSP) is a CDCR institution near Susanville, Lassen County, in the northeastern corner of California. It received its first inmates in September 1995 and houses Level III and Level IV custody, including specialized ADA-accessible housing. This guide covers CDCR's statewide inmate locator, how to schedule a visit through the VSA system, sending money with JPay, phone calls, and mail rules. All data is verified from cdcr.ca.gov.
City
Susanville
County
Lassen County
State
CA
Facility Type
state prison
Gender
Male
Capacity
Not published by CDCR as a fixed number; check the current Weekly Population Report
Custody Levels
Level III and Level IV, with specialized ADA-accessible housing
Operator
California Department of Corrections and Rehabilitation (CDCR)
Address
475-750 Rice Canyon Rd., Susanville, CA 96127
Phone
(530) 251-5100
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CDCR runs one statewide inmate search tool, not a separate tool per prison. Here's how to use it to confirm someone is at HDSP.
View ArticleYou need CDCR Form 106 approval first, then you book your visit through the statewide VSA system.
View ArticleDeposits go through JPay statewide, or by mail directly to HDSP's Inmate Trust address.
View ArticleAll outgoing calls from HDSP are free. Here's the current status of the tablet transition to Securus.
View ArticleHDSP splits mail and money into two separate P.O. Boxes.
View ArticleCDCR runs one statewide inmate search tool, CIRIS, not a separate tool per facility. Search by name or CDCR number, then confirm the result lists High Desert State Prison.
See the full breakdownYou need CDCR Form 106 signed by the incarcerated person and approved by HDSP's Visiting Sergeant/Lieutenant before you can schedule anything. Once approved, book through CDCR's statewide VSA system.
See the full breakdownJPay processes deposits statewide: online, by phone, or by mailing a money order to JPay's lockbox. You can also mail a check or money order payable to CDCR directly to HDSP's dedicated Inmate Trust address, with a 30-day hold.
See the full breakdownAll outgoing voice calls are free statewide. HDSP is still on ViaPath Technologies as of this guide's last check, with a transition to Securus scheduled to begin July 27, 2026.
See the full breakdownHDSP splits its mailing addresses: a general Inmate Mailing box for letters and photos, and a separate Inmate Trust box specifically for money orders and deposits.
See the full breakdown6 of 8 questions
Use CIRIS, the California Incarcerated Records and Information Search, at ciris.mt.cdcr.ca.gov. Search by name or CDCR number, then confirm the result lists High Desert State Prison.
Inmate SearchFriday 12:00pm to 6:30pm, and Saturday and Sunday 8:00am to 2:30pm. Walk-in visits are also accepted at separate, shorter hours. Call (530) 251-5100 to confirm before you travel.
VisitationYes. CDCR Form 106, the Visitor Questionnaire, must be signed by the incarcerated person and mailed to HDSP's Visiting Sergeant/Lieutenant for a background check before you're added to the approved visitor list. Once approved, you schedule visits yourself through CDCR's VSA system.
VisitationCDCR doesn't publish a single downloadable family handbook PDF. Instead, its Prepare to Visit section on cdcr.ca.gov walks through ID requirements, attire rules, what you can bring, and what happens during processing, as a set of live webpages instead of one document.
AboutAs of this guide's last verification, HDSP is still on ViaPath Technologies. CDCR's published rollout schedule has HDSP transitioning to Securus Technologies starting July 27, 2026 for phones and July 28-31 for tablets. Confirm the current provider directly with the institution if you're visiting near that date.
Phone CallsGeneral letters and photos go to P.O. Box 3030, Susanville, CA 96127-3030. Money orders and trust deposits use a separate address, P.O. Box 270-249, Susanville, CA 96127.
MailHDSP is a CDCR institution near Susanville, Lassen County, that received its first inmates in September 1995. It's designed to house Level III and Level IV custody, and includes specialized ADA-accessible housing for inmates with disabilities.
AboutYes. HDSP participates in CDCR's Reentry Hub program, which uses Cognitive Behavioral Treatment addressing substance abuse, criminal thinking, and anger management for people assessed at moderate to high risk of reoffending, plus a Family Liaison Service Specialist for family reunification support.
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All information on this page comes directly from official government and facility sources. How we verify information › Last verified July 15, 2026. Official source: cdcr.ca.gov/facility-locator/hdsp ›