San Mateo County Criminal Records

Criminal · Arrest · Court · Sex offender

Use the official court, custody, police-record, and statewide paths for San Mateo County, California; jurisdiction limits are explained.

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Searches are compiled from court, county, and statewide public-record sources.

San Mateo County public records: common questions

Where to search San Mateo County records

San Mateo County, California court, custody, police, and statewide records are kept in separate systems. Start court research with San Mateo Superior Court records viewing, copies, public access, and records-center procedures. Check current custody through San Mateo County Probation pretrial release, custody screening, monitoring, and court recommendations.

Court casesSan Mateo Superior Court records viewing, copies, public access, and records-center procedures
Current custodySan Mateo County Probation pretrial release, custody screening, monitoring, and court recommendations
Statewide recordsUse the California state-level source described below when available.
Federal recordsFederal court and custody records are outside county systems and require a separate federal search.

Verified local details

These details were drawn from the official sources linked in this guide. Reconfirm addresses, contacts, schedules, fees, and other time-sensitive details with the responsible agency.

The Superior Court of San Mateo County has branches in San Mateo, South San Francisco, Redwood City, and a Juvenile Branch in San Mateo.
The Superior Court's Southern Branch Hall of Justice and Records is at 400 County Center in Redwood City, and the court's main information number is 650-261-5100.
The Superior Court records page states that nonsealed or nonconfidential case files are available for public viewing and that cases filed after 2000 can be researched through court public computers.
San Mateo County states that its Sheriff's Office operates the Maguire Correctional Facility and Maple Street Correctional Center for adult custody.
San Mateo County Pretrial Services provides courts with background information and release recommendations for people arrested, booked into the county jail, or charged with crimes, and monitors supervised own-recognizance releases.

San Mateo County official record-source actions
Record type	Agency or source	Scope	Action	Last checked
Court cases	San Mateo Superior Court records viewing, copies, public access, and records-center procedures	County or local	Open source	August 24, 2026
Jail and custody	San Mateo County Probation pretrial release, custody screening, monitoring, and court recommendations	County or local	Open source	August 18, 2026
Police and incident records	San Mateo County Sheriff's Office law-enforcement coverage, adult correctional facilities, court support, and contracted policing	County or local	Open source	August 24, 2026
Court cases	Superior Court of California, County of San Mateo court locations, divisions, case access, hearings, and public services	County or local	Open source	August 20, 2026

How this guide is maintained: This matrix only republishes government and agency destinations supported by the researched guide or its reviewed county source registry. Page updated August 24, 2026. Agency sites and coverage can change, so confirm current rules with the source. Read our county source-review and correction policy.

If you are checking a San Mateo County record, start by identifying which agency created it. Court dockets, municipal cases, jail information, police reports, and state records are separate sources. This page brings those paths together for San Mateo County. San Mateo County has 743,568 residents (2025 estimate). The source map below identifies the relevant local courts and agencies. Offices and online systems change, so confirm details with the agency before relying on a record.

Quick facts

County-equivalent identity: 06-081
Population: 743,568 residents (2025 estimate)
Local detail: The Superior Court of San Mateo County has branches in San Mateo, South San Francisco, Redwood City, and a Juvenile Branch in San Mateo.
Local detail: The Superior Court's Southern Branch Hall of Justice and Records is at 400 County Center in Redwood City, and the court's main information number is 650-261-5100.
Local detail: The Superior Court records page states that nonsealed or nonconfidential case files are available for public viewing and that cases filed after 2000 can be researched through court public computers.
Local detail: San Mateo County states that its Sheriff's Office operates the Maguire Correctional Facility and Maple Street Correctional Center for adult custody.
Local detail: San Mateo County Pretrial Services provides courts with background information and release recommendations for people arrested, booked into the county jail, or charged with crimes, and monitors supervised own-recognizance releases.

What is specific about this local guide

Local detail: The Superior Court of San Mateo County has branches in San Mateo, South San Francisco, Redwood City, and a Juvenile Branch in San Mateo.
Local detail: The Superior Court's Southern Branch Hall of Justice and Records is at 400 County Center in Redwood City, and the court's main information number is 650-261-5100.
Local detail: The Superior Court records page states that nonsealed or nonconfidential case files are available for public viewing and that cases filed after 2000 can be researched through court public computers.

How do I search a San Mateo County Superior Court case or hearing?

The reviewed San Mateo County source provides a direct court access path for this search. Open Superior Court of California, County of San Mateo court locations, divisions, case access, hearings, and public services for the court's current case-search and document-access instructions.

Which San Mateo court branch handles my civil, criminal, family, juvenile, probate, or traffic matter?

The Superior Court of California, County of San Mateo is the county trial court. Its divisions include civil, criminal, family, juvenile, probate, traffic, and related matters, with locations in San Mateo, South San Francisco, and Redwood City. Check Superior Court of California, County of San Mateo court locations, divisions, case access, hearings, and public services to confirm the filing court, venue, and case type before relying on a search.

How do I view or request copies of San Mateo County court records?

The reviewed San Mateo County source provides a direct court access path for this search. Open San Mateo Superior Court records viewing, copies, public access, and records-center procedures for the court's current case-search and document-access instructions.

How do I find out where someone is held in San Mateo County custody?

The approved official source set for San Mateo County does not document a dedicated live inmate locator. Check San Mateo County Probation pretrial release, custody screening, monitoring, and court recommendations for the agency's current custody lookup or contact path; custody information can change quickly.

How do San Mateo County Pretrial Services and supervised own-recognizance release work?

San Mateo County Pretrial Services provides courts with background information and release recommendations for people arrested, booked into the county jail, or charged with crimes, and monitors supervised own-recognizance releases. Use San Mateo County Probation pretrial release, custody screening, monitoring, and court recommendations for the detention agency's current visitation, booking, release, and records procedures.

How do I request San Mateo County Sheriff's Office or police records under the California Public Records Act?

Current approved sources for San Mateo County do not substantiate record-type-specific police request instructions. Use San Mateo County Sheriff's Office law-enforcement coverage, adult correctional facilities, court support, and contracted policing to request the report from the agency that created or maintains it.

Which agency provides law enforcement in my San Mateo County city or unincorporated area?

Cities and towns may maintain separate police departments and local administrative or ordinance processes. The Sheriff's Office also provides contracted policing to specified local agencies, but a complete current municipal-jurisdiction list was not verified. Use San Mateo County Sheriff's Office law-enforcement coverage, adult correctional facilities, court support, and contracted policing to confirm the responsible law-enforcement agency before requesting a record.

How do I request San Mateo County property, coroner, or other department records?

No reviewed official source for San Mateo County establishes one page covering every local government program or service. Confirm the responsible department and its current eligibility, schedule, and fee requirements directly.

Jail, booking, and custody records

For current custody information, start with San Mateo County Sheriff's Office law-enforcement coverage, adult correctional facilities, court support, and contracted policing. The reviewed official pages do not provide a single current public jail-roster page with complete booking, visitation, and release information.

Finding San Mateo County criminal court records

Start with Superior Court of California, County of San Mateo court locations, divisions, case access, hearings, and public services for the official San Mateo County court path. County: San Mateo County government and countywide court services cover the county, including incorporated cities and unincorporated areas. The reviewed official pages do not provide a complete parcel-boundary description. Court: The Superior Court of California, County of San Mateo is the county trial court. Its divisions include civil, criminal, family, juvenile, probate, traffic, and related matters, with locations in San Mateo, South San Francisco, and Redwood City.

Local courts, citations, and municipal records

Municipal and local court coverage is separate from the county trial-court path. Custody: The San Mateo County Sheriff's Office operates the county's two adult correctional facilities. Probation's Pretrial Services handles release recommendations and monitoring, while juvenile custody services are administered separately by the county Probation Department. Municipal: Cities and towns may maintain separate police departments and local administrative or ordinance processes. The Sheriff's Office also provides contracted policing to specified local agencies, but a complete current municipal-jurisdiction list was not verified.

City pages and jurisdiction boundaries

The relevant local courts and agencies may serve different incorporated municipalities, so confirm the filing locality before relying on a record.

Statewide California criminal-record sources

Statewide California sources are separate from San Mateo County local records. Do not treat a statewide search as a complete county docket, jail roster, or police-record database.

Official San Mateo County and California record sources

For an official starting point, use Superior Court of California, County of San Mateo court locations, divisions, case access, hearings, and public services. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

Disclosure: criminal.com may earn a commission when you use the people-search tool on this page, which is powered by a third-party background-check service. Results are for personal knowledge only and may not be used for employment, housing, credit, tenant screening, or any other purpose covered by the Fair Credit Reporting Act. An arrest or booking record is not proof of guilt. This page is general information, not legal advice; for advice about a specific situation, consult an attorney.

Prefer an official source? For an official starting point, use Superior Court of California, County of San Mateo court locations, divisions, case access, hearings, and public services. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

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