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. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site on September 23, 2026.
Trinity County, California, has about 16,000 residents (2024 Census Bureau estimate), and arrests there are reported to the FBI by the Trinity County Sheriff's Office and two campus, state or other agencies. An arrest leaves the same records whoever makes it: the arresting agency's report, the record of anyone held at the county jail, and, if the District Attorney files charges, a case in the Superior Court of California, County of Trinity. This guide says who keeps each one, what it costs and who may see it, with the arrest counts each agency reported.
This guide covers who makes arrests, how many arrests, booking and the jail, finding an arrest, copies and common questions.
Related guides: Trinity County public records, California arrest records, California inmate search and California criminal records.
Who Makes Arrests in Trinity County
The Trinity County Sheriff's Office is the county agency that reports arrests to the FBI for Trinity County. It reported 159 arrests for 2025.
The FBI's agency list also places these agencies in Trinity County: Union Pacific Railroad in Trinity County (other); the Highway Patrol's Trinity River Area Office (state police).
How Many Arrests The Trinity County Sheriff's Office Reports
Each agency reports its arrests to the FBI by month, and the FBI publishes them on the Crime Data Explorer. These are the full-year totals, all offenses, as the FBI held them on October 8, 2026; a year with months missing or not reported is left out.
- Trinity County Sheriff's Office: 159 for 2025, 244 for 2024, 207 for 2023, 230 for 2022 and 515 for 2020; 2021 is missing months.
The Trinity County Sheriff's Office's 159 arrests in 2025 were down 35 percent from 244 in 2024.
Through August 2026, Trinity County Sheriff's Office reported 110 arrests, against 93 in the same months of 2025.
Booking: Where People Arrested in Trinity County Are Held
A person kept in custody after an arrest in Trinity County is held at the county jail, whichever agency made the arrest, apart from the short stay some city departments' own holding cells allow; a person cited and released at the scene is not booked at all. The jail's record of each person held, with the charges, is a public record of the arrest, and the court file takes over from there.
On an average day in 2025 the jail held about 39 people, down from about 46 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 53 beds, and it ran at 87 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
A sentence of more than a year is served in state prison; the California Department of Corrections and Rehabilitation lists its inmates at cdcr.ca.gov/search.
How to Find Out About an Arrest in Trinity County
For Trinity County the place to look is the case index of the Superior Court of California, County of Trinity, which shows whether charges were filed and the next court date (the court records page SearchSystems verified is at trinity.courts.ca.gov/online-services).
California does not let the public search another person's statewide criminal history. The record kept by the California Department of Justice goes to the person it belongs to and to employers and agencies the law authorizes; for everyone else the court's own case index is the public record of an arrest that led to a charge.
Getting a Copy of an Arrest Record in Trinity County
An arrest report belongs to the agency whose officer wrote it, and that agency releases it, not the court or the jail. Under the California Public Records Act the agency must answer within 10 days, with up to 14 more days in unusual circumstances, and it may charge the direct cost of copying only, not staff time.
- An arrest by the Trinity County Sheriff's Office: ask its records unit.
- An arrest by Union Pacific Railroad in Trinity County or the Highway Patrol's Trinity River Area Office: the records office of the agency involved.
- The court file of a case that was filed: the Superior Court of California, County of Trinity, through the court records page at trinity.courts.ca.gov/online-services.
- Your own statewide record: a Record Review through Live Scan fingerprinting, form BCIA 8016RR, $25.
Frequently Asked Questions
How many arrests are made in Trinity County each year?
The Trinity County Sheriff's Office reported 159 arrests to the FBI for 2025, its latest full year.
Where are people arrested in Trinity County booked?
Those kept in custody go to the county jail, run by the Trinity County Sheriff's Office; a person cited and released at the scene is not booked.
Are arrest records public in Trinity County?
The court files of criminal cases in the Superior Court of California, County of Trinity are public and can be looked up through the court. The statewide criminal history kept by the California Department of Justice is not public; you can get your own for $25. The arrest report itself is released by the agency that made the arrest, under the California Public Records Act.
How do I get a copy of an arrest report in Trinity County?
From the agency that made the arrest: the Trinity County Sheriff's Office for its own arrests, or the agency that reports for the city where it happened. Under the California Public Records Act the answer is due within 10 days, with up to 14 more days in unusual circumstances.
Is this the official Trinity 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.