Search San Joaquin County Jail Inmates

San Joaquin County Jail Overview

The San Joaquin County Sheriff's Office Custody Division, under Sheriff Patrick Withrow, operates the local detention system through the John Zunino Jail Complex, Intake, Main Jail, Jail Core, South Jail, and the Honor Farm Complex. The public record trail uses several names, so a San Joaquin County Jail record may point to CORE, SOUTH, intake, or another housing or visiting value. Those labels matter because visitors, bail agents, attorneys, and family members need the correct lobby or phone line before they act.

The jail holds adults in local custody before trial, people serving county sentences, people booked on local warrants, and people held while another agency or court claim is sorted out. It is not the same system as California Health Care Facility, Stockton, which is a state CDCR prison. Current county jail records are searched through WIC, while sentenced state prisoners are searched through CIRIS after transfer to CDCR custody.

The Sheriff's custody page states that the division manages inmate population, transportation and hospital security, medical services, food and maintenance liaison work, Records Division coordination, AB 109 realignment duties, and construction projects. In 2026 source review, the page also listed two captains, nine lieutenants, an Inmate Programs Director, and an estimated 270 correctional officers, deputies, and support staff for the 24-hour custody system.

The Sheriff's Custody Division overview shows the public WIC link and county jail capacity information for the San Joaquin County Jail system.

The custody page is the strongest county source for the jail's operating names, lookup path, and custody-division responsibilities.

San Joaquin County Jail Capacity

The Sheriff's custody page reports a BSCC-rated jail capacity of 1,550 for the San Joaquin County jail system. A later BSCC rated-capacity workbook, updated April 24, 2026, lists John J. Zunino Facility at 1,195 beds, San Joaquin County Honor Farm at 355 beds, and San Joaquin Detention and Program Facility at 268 beds. Those sources are both official, but they count the local detention system from different publication points.

For the primary San Joaquin County Jail page, the safer facility-specific number is the BSCC John J. Zunino entry because it names the main jail facility. The broader 1,550 figure remains useful for the sheriff's published county custody system, and the 1,818 combined workbook total helps explain why newer program beds can make the local capacity picture look different from older sheriff text.

Look Up San Joaquin County Jail Custody

The official current-custody channel is the San Joaquin County Who is in Custody portal. WIC covers San Joaquin County jail bookings, recent booking logs, releases, charges, bail, court dates, arresting agency, arrest date, housing or visiting location, scheduled release when shown, and holds. The WIC disclaimer warns that records can be incomplete or inaccurate and should not be used for legal action without confirming them with the proper office.

A San Joaquin County Jail search works best when the person has already completed intake. A new arrest may not appear at once. If the name search fails, use booking number search, browse by last initial, check the recent booking log, or call the jail information line. If the person has moved after sentencing, the correct next search is CDCR CIRIS, not WIC.

1. Open WIC and choose the custody search route for name, booking number, last initial, or recent booking log.
2. Enter a last name, first name, middle name, gender, booking number, or last initial based on what is known.
3. Open the detail record and compare name, DOB, booking time, bail, court, and housing values before relying on a match.
4. If the record is missing or unclear, call (209) 468-4562, check VINELink for notification, or use CIRIS, BOP, or ICE when the custody system may have changed.

For a fuller roster walkthrough, the San Joaquin County jail inmate records page explains WIC fields, search filters, and the county-to-state fallback chain.

San Joaquin County Jail Contact

Most public questions about a current San Joaquin County Jail inmate start with the jail information line. Records copies, incident reports, and warrant checks route through the Sheriff's Records Division during business hours. The jail campus and business address are close, but the research separates the inmate mail and visiting campus address from the broader sheriff business address.

Visit San Joaquin County Jail

The Sheriff's visiting information page separates public visiting by Jail Core, South Jail, and Honor Farm. Jail Core and South Jail are the key visiting sites for the main San Joaquin County Jail. Visitors must check in at least 30 minutes before the desired visit, bring valid photo ID, follow dress rules, and leave prohibited items outside the visiting room. A visitor may visit only once per day at any of the three facilities.

Research found a schedule conflict. The current web page lists Monday through Friday visiting from 9:00 AM to 4:00 PM with a closure from 11:45 AM to 1:00 PM. A Sheriff's PDF handout lists broader hours, including 8:00 AM to 5:00 PM most days and 8:00 AM to 7:00 PM Wednesday. Because of that conflict, call the specific visiting phone before leaving for the jail.

The Sheriff's visiting page also documents ID rules, contraband limits, minor visitor rules, and directions to the French Camp campus.

The visiting source is important because housing labels such as CORE and SOUTH affect which phone line and lobby a visitor should use.

San Joaquin County Jail Mail and Money

The Sheriff's inmate rules page gives the county jail mail format and limits. Mail should include the inmate name and booking number, then San Joaquin County Jail or Honor Farm, and the Mathews Road address. Incoming mail is inspected for contraband. Attorney and court mail is treated as confidential and checked in the inmate's presence. Paperback books and magazines must come from a publisher or bookstore.

Money can be deposited through the 24-hour lobby kiosk, visiting-lobby kiosks, USPS money order, SmartDeposit or Access Corrections online, or the phone deposit line. The Sheriff's deposit instructions say inmates may buy up to $80 per week in commissary. Family and friends may also use MyCarePack for up to $50 per week in package purchases. Jail Core and South Jail commissary orders are processed on Mondays and Thursdays.

San Joaquin County Jail Booking

Booking begins when the jail receives a person after an arrest or warrant. The custody page names Intake as part of the John Zunino Jail Complex, while WIC detail records show the public pieces that may follow: booking number, date in, arresting agency, arrest type, charges, warrants, bail, court date, housing, and release information. Property and money taken at booking are receipted, and the Sheriff's deposit material cites the booked person's right to at least three free local telephone calls under Penal Code 851.5.

After intake, classification assigns housing based on custody needs, risk, medical issues, program placement, and available space. A San Joaquin County Jail inmate may later be released, moved to Honor Farm, held for court, kept on a warrant or detainer, or transferred to CDCR after a state-prison sentence. A hold means another agency or legal order may keep the person in custody even when local bail appears on the roster.

Booking number

The local jail number assigned to a booking. San Joaquin samples use seven digits, with decimal sub-arrests possible.

Hold or detainer

A request or legal claim from another agency that may block release after local bail.

Classification

The jail decision that places a person in housing and sets security, program, and visit conditions.

Programs at San Joaquin County Jail

San Joaquin County Jail programming is broader than a basic holding operation. The Sheriff's custody material lists GED, Adult Diploma, Life Skills, Ownership/Re-Entry, Office Technology and Job Readiness, Friends Outside classes, C-TECH vocational certificates, religious services, recreation, library and law-library access, caseworker support, alternative work programs, electronic monitoring, and community partner services.

The County Office of Education provides several education programs, while Friends Outside supports parenting, conflict resolution, anger management, substance-abuse, women's wellness, dads peer support, and individual case management. C-TECH certificates cover telecommunications, network cabling, residential audio and video systems, telephone systems, and business connections. These programs depend on classification, sentence status, housing location, and jail operations.