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 September 27, 2026.
Harrisonville, Missouri, in Cass County, has about 10,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Cass County Circuit Court, and the file of each case, kept by the Circuit 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 and common questions.
Related guides: Harrisonville public records, Cass County court records, Harrisonville arrest records, Harrisonville warrants, Harrisonville inmate search, Harrisonville criminal records, Missouri arrest records and Missouri inmate search.
The Courts That Hear Cases from Harrisonville
In Harrisonville, the Cass County Circuit Court hears every civil, criminal, family, probate and juvenile case, with associate circuit judges taking misdemeanors, traffic and small claims.
A city with a municipal divisions of its own tries the tickets written under its ordinances.
Divorces go to the Circuit Court, and the file stays with the Circuit Clerk.
The Circuit 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 Missouri Sunshine Law.
Looking Up a Case from Harrisonville
For Cass County, SearchSystems opened and checked the court records page for the county at casscounty.com/2207/Circuit-ClerkCourts (page title: Cass County Circuit Court | Cass County, MO), phone 816-380-8227, Monday thru Friday 8am to 4:30pm, which answered when SearchSystems opened it on September 23, 2026.
Statewide, Case.net is the Missouri courts' free statewide case search.
The Missouri court page SearchSystems verified is at courts.mo.gov.
What Reaches the Court from Harrisonville
Together, the nine agencies in Cass County with all twelve months of 2025 on file reported 2,076 arrests to the FBI that year; the Prosecuting Attorney decides which of those arrests become cases in the Cass County Circuit Court.
The Prosecuting Attorney's page SearchSystems verified is at casscounty.com/2191/Prosecuting-Attorney (page title: Prosecuting Attorney | Cass County, MO), phone 816-380-8250, 2501 W. Mechanic St. 2nd Floor Harrisonville, MO 64701, which answered when SearchSystems opened it on September 23, 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 Missouri Department of Revenue Driver License Bureau, and an eviction or a lien on land.
The other Harrisonville guides take the kinds of file one at a time: Harrisonville criminal records, Harrisonville divorce records, Harrisonville traffic tickets, Harrisonville DUI and Harrisonville property records.
Frequently Asked Questions
How do I look up a court case in Harrisonville?
The court records page SearchSystems verified for the county is at casscounty.com/2207/Circuit-ClerkCourts, phone 816-380-8227. Statewide, Case.net is the Missouri courts' free statewide case search.
Which court hears felonies in Harrisonville?
The Cass County Circuit Court, which hears every civil, criminal, family, probate and juvenile case, with associate circuit judges taking misdemeanors, traffic and small claims.
Who keeps the court records in Harrisonville?
The Circuit Clerk. Copies come from that office under the court's own rules.
Is there a statewide court case search in Missouri?
Yes: Case.net, the Missouri courts' free statewide case search.
Is this the official Harrisonville website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.