Business Licensing & Operations in St. Charles County, MO (2026)
6 rules for unincorporated St. Charles County, Missouri.
Verified from official government sources
Adult Entertainment
St. Charles County allows sexually oriented businesses only in I1 Light Industrial and I2 Heavy Industrial districts, and never within 500 feet of a church, school, park, residential zoning district, or another such business.
St. Charles County SOB Zoning & Spacing
Significant RestrictionsSt. Charles County, MO Code of Ordinances § 405.5062
A sexually oriented business may only be operated in "I1" Light Industrial and "I2" Heavy Industrial zoning districts as those districts are defined and described in the Unified Development Ordinance. A sexually oriented business shall not be operated within five hundred (500) feet of the following: a. A church, synagogue, mosque, temple or building which is used for religious worship...
Tattoo & Body Modification
St. Charles County requires anyone performing tattooing or body piercing in the unincorporated county to hold both an operator license and an establishment license from the Department of Community Health and the Environment. Licenses expire December 31 each year and must be renewed by January 1. Operating without a license draws a $500 fine per offense, with each procedure counted separately.
St. Charles County Tattoo & Body Piercing License
Significant RestrictionsSt. Charles County Code § 645.040(A)-(B)
A. No person shall perform tattooing and body piercing unless the person is authorized to do so by a license issued by the Department. Nor shall any person perform tattooing and body piercing except in a tattooing and body piercing establishment licensed by the Department. B. Tattooing and body piercing establishment licenses shall be valid for a term to expire with the last day of the calendar...
Secondhand Dealers
Every secondhand dealer, pawnbroker, gun dealer, auction house, antiques dealer, coin dealer or jewelry dealer in unincorporated St. Charles County must log each item bought or pawned in a permanent register within eight hours, hold new stock at least 24 hours after reporting it to police, and never buy from anyone under 18 without a parent's written consent, under Chapter 255.
St. Charles County Secondhand Dealer Rules
Some RestrictionsSt. Charles County Code §§ 255.010, 255.020(A), 255.050, 255.060, 255.070
DEALER IN SECONDHAND GOODS: Any gun dealer, auction dealer, pawnbroker, antiques dealer, precious metal coin dealer, jewelry dealer or dealer of any type engaged in the resale of secondhand goods in the unincorporated area of the County. Section 255.020(A): Every dealer in secondhand goods in the unincorporated area of St. Charles County acquiring any article or pledged good for trade or sale s...
Pawnbrokers
Pawnbrokers in unincorporated St. Charles County must give every borrower a written receipt under § 255.030 disclosing the loan amount, service charge, total redemption cost and maturity date, and must state that unredeemed pledged goods can be forfeited starting 60 days after that maturity date. Police can also place a hold order on suspected stolen pledges.
St. Charles County Pawnbroker Rules
Some RestrictionsSt. Charles County Code §§ 255.010, 255.030(A)(9), 255.090(A)(1)
PAWNBROKER: Any person in the unincorporated area of St. Charles County who is engaged in the business of lending money on the security of pledged goods or engaged in the business of acquiring tangible personal property on condition that it may be redeemed or reacquired by the original owner for a fixed price within a fixed period of time. Section 255.030(A)(9): A statement to the effect that t...
Auto Repair on Residential Property
Running an automobile, truck or vehicle repair shop out of a home is flatly prohibited in unincorporated St. Charles County. Code § 405.495(C)(1) names vehicle repair first among ten occupations a home-occupation permit can never authorize, alongside rental businesses, kennels, veterinary hospitals and firearms distribution, so no amount of screening, small scale or indoor operation makes it legal.
St. Charles County Bans Home Auto Repair
Heavy RestrictionsSt. Charles County Code § 405.495(C)(1)
C. Specific "Examples Of Home Occupations Prohibited". Home occupations shall not, in any event, be deemed to include, but not be limited to, the following: 1. Automobile, truck, or vehicle repair. 2. Rental business. 3. Stables or kennels.
Towing Companies
St. Charles County requires every towing business to hold a Chief of Police license issued through the Registrar before operating a tow truck anywhere in the county.
St. Charles County Tow Truck License
Significant RestrictionsSt. Charles County Code § 608.025
From and after May 1, 2003, it shall be unlawful for any person or corporation (1) to operate a towing business within St. Charles County, or (2) to conduct more than fifty percent (50%) of its wrecker or tow service business activities in the County ... unless the owner of the tow truck business shall first have obtained a license from the Chief of Police and delivered by the Registrar for sai...
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