Criminal cases in Santa Clara County are arraigned and tried primarily at the Hall of Justice (190-200 W. Hedding St., San Jose CA 95110) and the downtown superior court complex, with additional matters at the Palo Alto and South County (Morgan Hill) courthouses. The location of the alleged offense generally determines which courthouse hears the case. Arrests are made by the Santa Clara County Sheriff's Office (which also runs the county jails and provides police services to unincorporated areas and contract towns) and by the police departments of San Jose, Sunnyvale, Santa Clara, Mountain View, Palo Alto, Gilroy, and other cities.
The Santa Clara County District Attorney's Office, led by District Attorney Jeff Rosen, prosecutes criminal cases countywide and has a national reputation for certain reform initiatives, including a Conviction Integrity Unit. Statewide changes shape charging exposure: Proposition 36 (the Homelessness, Drug Addiction, and Theft Reduction Act, approved by voters in November 2024) re-classified certain theft and drug offenses that Proposition 47 had reduced to misdemeanors back to "treatment-mandated felonies" or straight felonies under specified repeat-offense conditions, meaningfully changing exposure for defendants with prior qualifying convictions. Defense counsel track these developments closely because they directly affect plea offers and sentencing exposure.
The Santa Clara County jail system — the Main Jail (San Jose) and the Elmwood Correctional Complex (Milpitas) — is run by the Sheriff's Office and has been the subject of significant reform and oversight following the 2015 in-custody death of Michael Tyree, which led to consent-decree-style monitoring and changes in custody practices; custody conditions and status affect bail negotiation strategy and plea timing. Indigent defendants are represented by the Santa Clara County Public Defender's Office — one of the oldest and most respected public defender offices in the country — with the Alternate Defender Office and the Independent Defense Counsel Office (IDO) stepping in when the Public Defender has a conflict (commonly in co-defendant cases). A defendant who qualifies financially is appointed counsel at or before arraignment. Given the county's very large immigrant population, a non-citizen defendant should be aware that a conviction can carry immigration consequences, making coordination between criminal defense and immigration advice important under Padilla v. Kentucky and Penal Code §1016.3.
Pretrial release in Santa Clara County follows California's post-Humphrey framework (In re Humphrey (2021) 11 Cal.5th 135), requiring courts to consider ability to pay before setting cash bail and to weigh less restrictive alternatives; the county has been a leader in pretrial-release reform and operates a pretrial services program. Many lower-level misdemeanor and non-violent felony defendants are released on their own recognizance (O.R.) or under supervised pretrial release, though the county's bail schedule still applies as a baseline for serious and violent offenses. Diversion programs remain available for qualifying defendants even after Prop 36's passage — mental health diversion under Penal Code §1001.36, veterans' diversion, and drug court and other collaborative courts continue to operate.
Post-conviction relief is available through the Public Defender's office and private counsel: expungement under Penal Code §1203.4 for eligible completed-probation cases, Proposition 47 and Proposition 64 resentencing or reclassification petitions for certain drug and marijuana convictions, and reduction of "wobbler" felonies to misdemeanors under Penal Code §17(b). For non-citizens, a Penal Code §1473.7 motion can in some cases vacate a conviction that carried immigration consequences the defendant wasn't properly advised about — an important remedy given the county's diversity. Anyone facing charges should secure counsel immediately — private, public defender, or through the Santa Clara County Bar Association Lawyer Referral Service (408-287-2557) — given how quickly arraignment deadlines and bail decisions move.
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