Search California State Prison, Corcoran Inmates

California State Prison, Corcoran is a CDCR state prison in Kings County, California, and inmate search for this facility runs through the statewide CDCR system. Families trying to look up inmates at California State Prison, Corcoran should not use the county jail roster unless the person is still in local jail before transfer. CSP-Corcoran holds sentenced state prisoners under California corrections rules, with prison-specific visiting, mail, medical, and classification procedures. The facility is close to other public-safety offices in county geography, but its records remain state prison records.

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CSP-Corcoran Prison Overview

California State Prison, Corcoran, often called CSP-COR or CSP-Corcoran, is operated by the California Department of Corrections and Rehabilitation at 4001 King Avenue in Corcoran. It is separate from the Kings County jail system and separate from Substance Abuse Treatment Facility and State Prison, Corcoran, even though both state prisons are in the Corcoran area. CSP-Corcoran holds sentenced CDCR incarcerated persons, not ordinary county pretrial detainees waiting for a first court appearance.

CDCR describes CSP-Corcoran as a complex, multi-mission institution. The research lists Level I, Level III, Level IV, Administrative Segregation Unit, Security Housing Unit, Protective Housing Unit, general population, Prison Industry Authority, a licensed Correctional Treatment Center, Long Term Restricted Housing, and an Enhanced Program Facility. That mix means a simple facility name on a locator result does not explain every custody or housing condition. Classification and CDCR policy control placement.


CSP-Corcoran Capacity

The sourced design-capacity figure for California State Prison, Corcoran is 3,114 from CDCR weekly population and facility materials. CDCR's facility page also lists unit capacities, including Level I 728, Facility 3A 800, Facility III-B 1,121, Facility III-C 1,080, Facility 4A 1,024, and Facility 4B 1,024. Unit capacity figures describe parts of the institution and should not be treated as a public inmate headcount for a specific person search.

3,114 CDCR Design Capacity
2015 ACA Accreditation Reported by CDCR

Capacity also differs from location lookup. The right question for a family member is whether CIRIS currently shows the person at CSP-Corcoran, not whether the institution has a stated design capacity. Transfers, court returns, medical moves, security placement, and classification can change location. Use the design-capacity number only as facility context. A person may be committed from one county, housed in Corcoran, and later transferred again within CDCR, so current location needs a fresh CIRIS check.


Search CSP-Corcoran Records

Use CDCR CIRIS for California State Prison, Corcoran inmate search. CIRIS is the statewide CDCR locator for sentenced state custody and can return name, CDCR number, age, current location, commitment counties, admission date, and Board of Parole Hearing information when shown. The Kings County Inmate Locator is for county jail custody. It does not search CSP-Corcoran, Avenal State Prison, or SATF after a person has moved into state custody.

  1. Search CIRIS by CDCR number when available because it is the strongest prison identifier.
  2. If the CDCR number is unknown, search by last name and add first name to narrow results.
  3. Read the Current Location field and confirm it says California State Prison, Corcoran or another CDCR facility.
  4. Check commitment counties so Kings County geography is not mistaken for the county of conviction.
  5. Call the CDCR Identification Unit at (916) 445-6713 if online search fails and you have enough identifying detail.
Lookup SourceWhat It Covers
CDCR CIRISCurrent CDCR custody, CDCR number, current location, commitment counties, and admission date.
CDCR Identification UnitAssistance with state population searches during posted weekday hours.
Kings County jail rosterLocal jail custody before sentencing or before state transfer only.
VINELinkCustody notification support, not a replacement for CIRIS.

CSP-Corcoran Contact

Facility phone questions should go to CSP-Corcoran. Statewide lookup help should go to CDCR CIRIS or the CDCR Identification Unit. The Sheriff's Office jail information line cannot approve prison visits, change CDCR mail routing, or answer prison classification questions for CSP-Corcoran.

California State Prison, Corcoran

4001 King Avenue

Corcoran, CA 93212

(559) 992-8800

CDCR state prison facility

CDCR Identification Unit

Statewide population search assistance

California Department of Corrections and Rehabilitation

(916) 445-6713

Monday-Friday, except holidays, 8:00 a.m.-4:30 p.m. Pacific


CSP-Corcoran Visiting

CSP-Corcoran visiting follows CDCR adult visitation rules. Use CDCR Adult Visitation guidance rather than the Kings County jail video-visit workflow. Visitors should confirm location through CIRIS, complete any required CDCR approval process, use current scheduling instructions, and check the facility status before traveling to Corcoran. Prison visits can be affected by classification, security operations, medical restrictions, lockdowns, and transfer status.

StepCSP-Corcoran Visiting DetailType
Verify locationUse CIRIS to confirm the person is at CSP-Corcoran.Lookup
Visitor approvalFollow CDCR approval requirements before scheduling.Approval
SchedulingUse current CDCR and facility instructions.Scheduling
Facility rulesFollow ID, dress, property, and security screening rules.Entry
Before travelRecheck status because prison operations can change visit availability.Status

CSP-Corcoran Mail

CDCR mail must include the incarcerated person's name and CDCR number. CSP-Corcoran uses different P.O. boxes by facility or unit. Institution mail is separate from inmate mail. Do not send CSP-Corcoran mail to Kings County Jail, and do not use a county jail booking number in place of a CDCR number.

ServiceProvider / Detail
Institution mailP.O. Box 8800, Corcoran, CA 93212-8309.
Inmate mail3A P.O. Box 3461; 3B P.O. Box 3466; 3C P.O. Box 3471; 4A P.O. Box 3476; 4B P.O. Box 3481; Facility Z/MSF/Hospital/Firehouse P.O. Box 3456; all Corcoran, CA 93212.
Money and packagesUse CDCR Family & Friends for current statewide rules and vendor instructions.
Legal mailConfirm current CDCR legal-mail rules and include the CDCR number.

CSP-Corcoran Intake

CSP-Corcoran intake is part of state prison classification, not local jail booking after an arrest. A person may begin in Kings County Jail or another county jail after arrest, then move through court, sentencing, transfer, reception, and CDCR classification. Once CDCR receives the person, CIRIS becomes the primary public locator. If the person is newly sentenced and does not yet appear, the transfer or classification record may not have caught up.

The institution's multi-mission structure makes classification important. Level I, Level III, Level IV, security housing, protective housing, treatment, medical, and enhanced-program placements are not the same thing. Public lookup can confirm location, but it does not disclose all security, medical, mental-health, or operational reasons for a placement.


About CSP-Corcoran Programs

CDCR lists CSP-Corcoran programs and operations including Prison Industry Authority dairy and milk processing, laundry, warehouse, maintenance repair, and OTDC. Vocational programs include computer technology, electronics, machine shop, sheet metal, and welding. Academic programs include adult basic education, GED, pre-release, English as a second language, and literacy. Community service crews, youth diversion, religious programs, arts, and victim awareness are also listed in the research.

CSP-Corcoran is also a basic care medical institution in CDCR materials, with 50 Correctional Treatment Center beds, 24 mental-health crisis beds, and 14 outpatient housing beds. The CDCR CIRIS search interface is the correct lookup source before using those facility contact and mail details.

California State Prison Corcoran CDCR CIRIS inmate search

The locator image reinforces the main workflow: search state prison custody through CDCR, then use the facility page, mail routing, and visitation resources once the current location is confirmed.

Note: Confirm CSP-Corcoran location, visit approval, and CDCR mail routing before travel or mailing.

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