Florissant Municipal Court handles ordinance violations and many traffic matters in-city, but every felony case (and most serious misdemeanors after preliminary review) moves to the 21st Judicial Circuit at the St. Louis County Courthouse in Clayton. That jurisdictional shift matters because the defense pace, the prosecutor's office structure, and the available alternative dispositions are all different.
Police agencies in North County include the Florissant Police Department, the St. Louis County Police Department (North County precinct), the North County Police Cooperative covering some smaller municipalities, and MSHP on the state highways. Arrests originating from these agencies enter the system through different evidence chains, and the police-report quality varies meaningfully. Body-camera footage retention varies by agency: SLCPD generally retains for 90 days unless specifically flagged; smaller departments sometimes much shorter. Preservation requests within the first weeks matter.
The St. Louis County Prosecutor's Office reorganized after 2018 to add restorative-justice and alternative-disposition programs. For first-time felonies with no violent component, diversion programs and Suspended Imposition of Sentence (SIS) are realistic outcomes. Drug-court eligibility exists but requires specific clinical screening and prosecutor approval. None of these are automatic. The request has to be filed and supported at the right stage of the case.
The reform picture here is often described loosely, so it is worth being precise. The 2016 federal consent decree binds the City of Ferguson, its police department and its municipal court, and not other North County municipalities. What changed practice across the rest of St. Louis County was Missouri's 2015 municipal-court legislation, which capped the share of revenue a city may take from traffic fines and tightened rules on fines, bail, and failure to appear. The practical result is that bail practices, fine amounts, and enforcement patterns in North County look different than they did a decade ago, and which set of rules governs your case depends on which municipality wrote the ticket.