1. County Gov Expo

    St. Charles County Government Expo

    The County is partnering with Mid Rivers Mall to offer the St. Charles County Government Expo from 11 a.m.–2 p.m., Saturday, March 9. Read on...
  2. EFile Assessor

    St. Charles County Assessor to Mail 2019 Personal Property Assessment Forms

    The St. Charles County Assessor will mail approximately 175,000 personal property assessment forms by Jan. 25. Assessments are due by March 1. Read on...
  3. Smoking Ban

    Smoke-Free Air Act of 2018

    On Nov. 6, 2018, St. Charles County voters passed an amendment to the County Charter that places a countywide smoking ban, with exemptions, on all enclosed areas in incorporated and unincorporated St. Charles County. Read on...
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