Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest and crime 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 24, 2026 and September 30, 2026.
Cass County, Nebraska, has about 27,000 residents (2024 Census Bureau estimate). In Nebraska the public criminal record is the court file, kept by the Clerk of the District Court; the statewide criminal history kept by the Nebraska State Patrol is open to anyone who asks. This guide says where each record of a criminal case from Cass County is kept and how it is seen.
This guide covers the court file, the statewide record, local arrest records, the crimes behind the records, the prosecutor, sex offender registry, records requests and common questions.
Related guides: Cass County public records, Cass County arrest records, Cass County warrants, Cass County inmate search, Cass County court records, Nebraska arrest records and Nebraska inmate search.
Criminal Cases in the Cass County District Court
In Nebraska the public criminal record is the court file. Criminal cases from Cass County are heard by the Cass County District Court, which hears felonies, the larger civil cases and divorces; the County Court takes misdemeanors, traffic cases, probate, small claims and juvenile matters, and the file of each case is kept by the Clerk of the District Court.
For Cass County, SearchSystems opened and checked the court records page for the county at nebraskajudicial.gov/courts/cass-county-court (page title: Cass County Court | Nebraska Judicial Branch), phone 402-296-9334, 346 Main Street Room 201 Plattsmouth NE 68048, which answered when SearchSystems opened it on September 24, 2026. That page belongs to a lower court, the County Court, not to the Cass County District Court.
Statewide, Nebraska Trial Court Case Search is the Nebraska Judicial Branch's statewide case search, with a fee per search.
The Nebraska Criminal History and Your Own Copy
Nebraska is one of the states that lets anyone look up another person's statewide criminal history: the Patrol sells name-based criminal history checks to anyone online, through the Nebraska State Patrol. The result is the repository record, what agencies reported to the state, which is wider than one county's court index but can lag it.
Arrest Records Kept Locally in Cass County
The Cass County Sheriff's Office and the agency that reports for Plattsmouth keep the arrest records in Cass County: the report and the booking record of each arrest stay with the agency that made it, separate from the court file and from the state repository.
The FBI's agency list also places one more agency in Cass County: the State Patrol in Cass County (state police); it keeps the records of its own arrests.
Together, the two agencies in Cass County with all twelve months of 2025 on file reported 367 arrests to the FBI that year; how each case ended is in the court file, not in the arresting agency's.
The agencies and their counts, year by year, are in Cass County arrest records.
The Crimes Behind the Records: Cass County in 2025
The two agencies in Cass County with all twelve months of 2025 on file reported 11 violent and 128 property crimes to the FBI that year; the same agencies with both 2025 and 2024 complete reported 139 crimes in 2025 against 145 in 2024. Each reported crime is a report on file with the agency that took it, and each arrest that follows is the start of a criminal record.
The full crime section, agency by agency, is on the Cass County public records guide.
The County Attorney for Cass County
Charges in Cass County are filed by the County Attorney, which reviews the arrests of every agency in the county and brings the cases in the Cass County District Court or the County Court.
The office's page SearchSystems verified is at casscountyne.gov/county-attorney (page title: County Attorney | Cass County, Nebraska), phone 402-296-9346, 346 Main Street Plattsmouth, NE 68048-1964, which answered when SearchSystems opened it on September 24, 2026.
The Sex Offender Registry for Cass County
Registered sex offenders living in Cass County are listed on the Nebraska Sex Offender Registry, run by the Nebraska State Patrol at sor.nebraska.gov. The registry is public and can be searched online.
Registration itself is done in person with the local agency where the registrant lives: the sheriff's office, or the city police in a city with its own department.
Asking an Agency in Cass County for a Record
An arrest report, a booking record or a local criminal history letter comes from the agency that holds it, not from the court.
Under the Nebraska Public Records Statutes a county office must answer a request within 4 business days, and it may charge copying, and staff time after the first four hours.
Frequently Asked Questions
Are criminal records public in Cass County?
The court files of criminal cases are public, and so is the statewide criminal history kept by the Nebraska State Patrol: the Patrol sells name-based criminal history checks to anyone online. The arrest report itself is released by the agency that made the arrest, under the Nebraska Public Records Statutes.
Can I search Cass County criminal cases online?
The court records page SearchSystems verified for the county is at nebraskajudicial.gov/courts/cass-county-court (page title: Cass County Court | Nebraska Judicial Branch); it belongs to a lower court, not to the Cass County District Court. Statewide, Nebraska Trial Court Case Search is the Nebraska Judicial Branch's statewide case search, with a fee per search.
How do I get my own Nebraska criminal history?
Through the same name-based search, run on yourself.
Who prosecutes crimes in Cass County?
The County Attorney, reached at 402-296-9346, which files its cases in the Cass County District Court or the County Court.
Is this the official Cass 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.