Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site between September 23, 2026 and October 2, 2026.
Marin County, California, has about 256,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Superior Court of California, County of Marin, and the file of each case, kept by the Superior Court clerk, is the public record of it. This guide says which court hears what, where to look a case up and who keeps the files.
This guide covers the courts, the records page, criminal cases, kinds of files, cities and common questions.
Related guides: Marin County public records, Marin County arrest records, Marin County warrants, Marin County inmate search, Marin County criminal records, California arrest records and California inmate search.
The Courts That Hear Cases from Marin County
Court cases from Marin County are filed in the Superior Court of California, County of Marin, which hears every civil, criminal, family, probate, traffic and juvenile case.
Divorces go to the Superior Court's family law division, and the file stays with the Superior Court clerk.
The Superior Court clerk keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the California Public Records Act.
Looking Up a Case from Marin County
The court records page SearchSystems verified for the county is at marin.courts.ca.gov/divisions/court-records-exhibits (page title: Court Records & Exhibits | Superior Court of California | County of Marin), phone (415) 444-7080, which answered when SearchSystems opened it on September 23, 2026.
California has no single public index of every trial court case; each court's records are looked up through that court.
The California court page SearchSystems verified is at courts.ca.gov/policy-administration/public-records/who-where-how-vi....
What Reaches the Court from Marin County
Together, the seven agencies in Marin County with all twelve months of 2025 on file reported 3,134 arrests to the FBI that year; the District Attorney decides which of those arrests become cases in the Superior Court of California, County of Marin.
The District Attorney's page SearchSystems verified is at marincountyda.org/our-team (page title: Mission Statement | Marin County District Attorney), phone (415) 473-6450, 3501 Civic Center Drive Suite 145 San Rafael, CA 94903, Monday-Friday: 8:00 AM to 4:00 PM, which answered when SearchSystems opened it on September 30, 2026.
The Kinds of Court Files
The court file is one record with several readers: a criminal case from the arrest to the sentence, a divorce from the petition to the judgment, a traffic ticket from the citation to the conviction the court reports to the California Department of Motor Vehicles, and an eviction or a lien on land.
The other Marin County guides take the kinds of file one at a time: Marin County criminal records, Marin County divorce records, Marin County traffic tickets, Marin County DUI and Marin County property records.
Cities in Marin County
Wherever in the county a case arises, it is filed in the Superior Court of California, County of Marin.
SearchSystems has a guide to the offices of these cities in Marin County, with the 2024 Census Bureau population; a city with its own court records guide opens there:
- San Rafael (59,961)
- Novato (52,311)
- Mill Valley (13,904)
- Larkspur (12,807)
- San Anselmo (12,645)
- Fairfax (7,476)
- Sausalito (7,075)
Frequently Asked Questions
How do I look up a court case in Marin County?
The court records page SearchSystems verified for the county is at marin.courts.ca.gov, phone (415) 444-7080.
Which court hears felonies in Marin County?
The Superior Court of California, County of Marin, which hears every civil, criminal, family, probate, traffic and juvenile case.
Who keeps the court records in Marin County?
The Superior Court clerk. Copies come from that office under the court's own rules.
Is there a statewide court case search in California?
No. Each court's records are looked up through that court.
Is this the official Marin County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.