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A complete filing guide.
Small claims court is where money disputes are resolved on simplified procedures, with a filing fee set by the court and a hearing before a judge.
Below: the claim limit, the court's filing fee, the courthouse with its hours and phone, the towns and ZIP codes this county covers, and how to file. Squabble prepares the paperwork and files it for you.
Small claims here are heard at the courthouse below. When you file, the court confirms the right location for your case.
Tap a courthouse to see its details in the list below.
Confirm the courthouse before you file. The court's own small-claims page carries its current filing location and hours, and Squabble confirms the courthouse for your case when you file.
Small claims filings from St. Charles County are handled at St. Charles County Courthouse in St. Charles. St. Charles County covers 17 ZIP codes, including the Augusta, Cottleville and Defiance areas.
No, on paper, in person or by mail
Not offered
Monday to Friday 8:00 AM to 5:00 PM
Saturday to Sunday Closed
Residents of St. Charles County, Missouri, which has a population of 423,726, can file cases through the Missouri Small Claims Court, which handles claims up to $5,000. Cases from the county are heard at the St. Charles County Courthouse in St. Charles, located at 300 N. Second St. Suite 225, 63301. The courthouse is open Monday through Friday from 8:00 AM to 5:00 PM and is closed on Saturday and Sunday. Court staff can be reached by telephone at (636) 949-3080, and information is posted at http://stccountycourts.com/. The court serves communities across the county, including Augusta, Cottleville, Defiance, Lake Saint Louis, O Fallon, Saint Peters, Wentzville, and West Alton, covering ZIP codes such as 63303, 63304, 63366, 63376, and 63385. St. Charles County lies near St. Louis County, Lincoln County, and Franklin County. Electronic filing is not available for small claims cases in this county, so filings are handled at the courthouse during its posted business hours.
A case filed here usually comes from one of these communities:
Augusta, Cottleville, Defiance, Flinthill, Foristell, Lake Saint Louis, New Melle, O Fallon, Portage Des Sioux, Saint Charles, Saint Peters, Wentzville, West Alton.
ZIP codes:
About 423,726 people live in St. Charles County. St. Charles County Courthouse, in St. Charles, is about 6 miles from the St. Louis County courthouse in Clayton and 15 miles from the Lincoln County courthouse in Troy.
If the other side lives just over the county line, the case may belong next door:
State law sets the rules on what the court can hear, serving the other side, filing deadlines, interest, the hearing and collecting a judgment.
Last checked August 2026. Verify current details with the court.
Squabble prepares, Triple-Checks and files your case.
