The California Department of Corrections and Rehabilitation (CDCR) manages a network of 32 state-operated adult correctional institutions and various community correctional facilities. This list serves as a resource for legal practitioners, family members, and researchers requiring accurate information regarding facility locations, operational statuses, and administrative oversight within the California prison system as of 2026.
Understanding the Structure of the California Correctional System
The California correctional system is organized into a complex network of institutions varying by security level, ranging from Level I (minimum security) to Level IV (maximum security), as well as specialized facilities for medical and mental health care. As of 2026, the CDCR categorizes its facilities by mission, which includes general population housing, reception centers, and specialized facilities for inmates with acute medical needs.
The administration of these facilities is governed by the California Code of Regulations, Title 15. Understanding your specific intent—whether for visitation, legal mail, or locating an inmate—requires identifying the specific facility to ensure compliance with institution-specific protocols.
Key Operational Classifications
- Reception Centers: These facilities serve as the primary intake points where new arrivals are processed, evaluated, and classified for long-term housing assignments.
- Level I and II Facilities: These institutions generally house inmates with lower security risks, often utilizing open dormitory housing and providing vocational and educational programs.
- Level III and IV Facilities: Designed for higher security requirements, these facilities typically feature reinforced cell housing and restricted movement protocols.
- Medical and Mental Health Facilities: These specialized units provide enhanced care for inmates with chronic conditions or intensive psychiatric requirements, often operating under federal court mandates regarding the quality of healthcare provided to incarcerated individuals.
Official List of California State Prisons (2026 Inventory)
The following table provides a reference for the major state-operated facilities. Note that facility statuses regarding operational capacity are subject to change based on the state’s long-term master plan for correctional facility reduction.
| Facility Name | Abbreviation | Location | Primary Security Level |
|---|---|---|---|
| Avenal State Prison | ASP | Avenal | II |
| California Correctional Center | CCC | Susanville | I/II |
| California Correctional Institution | CCI | Tehachapi | I-IV |
| California Institution for Men | CIM | Chino | I-III |
| California Institution for Women | CIW | Corona | I-IV |
| California Medical Facility | CMF | Vacaville | II-III |
| California Men’s Colony | CMC | San Luis Obispo | I-III |
| California Rehabilitation Center | CRC | Norco | I-II |
| California State Prison, Corcoran | COR | Corcoran | I-IV |
| California State Prison, Los Angeles County | LAC | Lancaster | I-IV |
| California State Prison, Sacramento | SAC | Represa | I-IV |
| California State Prison, Solano | SOL | Vacaville | II |
| California Training Facility | CTF | Soledad | I-II |
| Centinela State Prison | CEN | Imperial | I-IV |
| Chuckawalla Valley State Prison | CVSP | Blythe | II |
| Deuel Vocational Institution | DVI | Tracy | Deactivated |
| Folsom State Prison | FSP | Represa | I-II |
| High Desert State Prison | HDSP | Susanville | III-IV |
| Ironwood State Prison | ISP | Blythe | III |
| Kern Valley State Prison | KVSP | Delano | IV |
| Mule Creek State Prison | MCSP | Ione | I-V |
| North Kern State Prison | NKSP | Delano | I-IV |
| Pelican Bay State Prison | PBSP | Crescent City | I-IV |
| Pleasant Valley State Prison | PVSP | Coalinga | III-IV |
| Richard J. Donovan Correctional Facility | RJD | San Diego | I-V |
| Salinas Valley State Prison | SVSP | Soledad | III-IV |
| Sierra Conservation Center | SCC | Jamestown | I-II |
| Substance Abuse Treatment Facility | SATF | Corcoran | I-IV |
| Valley State Prison | VSP | Chowchilla | II |
| Wasco State Prison | WSP | Wasco | I-IV |
Locating an Inmate: Prerequisites and Protocols
To interact with or locate an individual within the California prison system, you must use the official CDCR inmate locator tool. The search requires either the inmate’s CDCR number or their legal name and date of birth.
Mandatory Steps for Inmate Contact
- Verification: Confirm the inmate's current location, as inmates are frequently transferred between facilities due to population management policies or medical needs.
- Registration: If you intend to visit, you must submit a formal visitor application through the department’s online portal and receive approval before scheduling an appointment.
- Communication Rules: Ensure all correspondence adheres to the institution’s mail guidelines, which strictly prohibit certain items and mandate specific addressing formats (Inmate Name, CDCR Number, Facility Name, PO Box/Address).
- Financial Support: Deposits for inmate trust accounts should only be processed through the official authorized vendors (e.g., GTL/ViaPath, JPay) to avoid security risks and ensure the funds reach the intended recipient.
Legal and Administrative Compliance
Standardized Mail Procedures All incoming mail is subject to search for contraband. Packages are generally prohibited unless they are sent directly from an approved vendor or contain specific authorized items like legal documents or approved religious materials.
Visitation Scheduling As of 2026, most facilities utilize an automated scheduling system. Visitors are expected to confirm their appointment 24 to 48 hours prior to arrival. Failure to adhere to the dress code or identification requirements will result in a denial of access.
Addressing Common Institutional Challenges
Navigating the California prison system often presents hurdles for families and legal representatives. The most frequent issues relate to facility transfers and the difficulty of navigating institutional bureaucracy.
- Inmate Transfers: The CDCR retains the authority to transfer inmates for security, medical, or population balancing reasons. Family members should keep their contact information updated within the inmate's file to receive notification of location changes.
- Medical Care Disputes: If an inmate is not receiving required medical care, legal counsel or family members should file a formal grievance. The CDCR has a multi-level grievance process (Form 602) that must be exhausted before federal litigation can be considered.
- Technology Access: Tablets are increasingly used for communication within many institutions. While these provide benefits, they also introduce risks related to technical failure or account suspension. Always maintain secondary, traditional forms of communication (U.S. Mail) as a contingency.
Frequently Asked Questions Regarding CDCR Facilities
How do I find out which prison an inmate is currently located in? Use the official CDCR Inmate Locator website, which provides real-time information on the facility housing status of all inmates under the jurisdiction of the California Department of Corrections and Rehabilitation.
Are there restricted items for sending mail to California state prisons? Yes, all prisons maintain a list of prohibited items, including (but not limited to) Polaroids, stamps, stickers, and electronic components. Review the specific facility's "Inmate Mail Guidelines" before sending any correspondence to ensure it complies with security protocols.
Can I visit any prison in California without an appointment? No, visitation must be scheduled in advance through the CDCR visitor processing portal. Walk-in visits are not permitted at any California state prison facility as of 2026.
What is the difference between a state prison and a county jail? State prisons, operated by the CDCR, house individuals sentenced for felonies typically serving terms longer than one year. County jails are managed by local sheriff's departments and hold individuals awaiting trial or serving shorter sentences for misdemeanors or lower-level felonies.
How are medical needs handled within the prison system? California state prisons provide medical and mental health care that must meet constitutional standards. Specialized facilities like the California Medical Facility (CMF) are equipped to handle high-acuity needs, while general population prisons offer on-site clinics and tele-health services for ongoing maintenance.
Final Guidance for Stakeholders
For those needing to engage with the system in 2026, the best course of action is to rely exclusively on the official CDCR domain (.ca.gov). Avoid third-party "inmate finder" services that often charge fees for information that is publicly available for free. Always cross-reference the facility's specific rules regarding visitation and legal mail, as these can be updated by the Warden’s office without broad public notice. Direct specific concerns regarding inmate rights or medical care to the Office of the Ombudsman or the Inmate Appeals Branch for formal resolution.
