St. Charles County, MO Animal Ordinances: Pet Store Rules (2026)
Key Facts
- Registration required
- annual, per facility (§205.160)
- Registration fee
- $50.00 (§205.240)
- Pre-registration steps
- zoning-compliance letter + health inspection
- Violation correction window
- 10 days, re-inspected in 3
- Non-compliance
- registration revoked, shop closed
- Penalty
- up to $1,000 fine or 1 year jail
Summary
St. Charles County doesn't ban retail dog and cat sales, but no pet shop, dealer, boarding or breeding kennel, or grooming shop may operate in the unincorporated county without an annual registration and inspection from the Division of Humane Services under Section 205.160.
A. It is unlawful for any person to keep or maintain a boarding or breeding kennel, pet shop, grooming shop, or dealership in unincorporated St. Charles County without first obtaining a valid registration from the Division. B. It is unlawful for any person to keep or maintain a boarding or breeding kennel, pet shop, grooming shop, or dealership in unincorporated St. Charles County without maintaining a valid and current registration from the Division for each separate physical facility requiring a registration. C. The County Council shall set a fee, and, if required by any applicable provision of law, the voters shall approve that fee, for such kennel registration. That fee shall be assessed not upon individual animals but upon the owner or keeper of a boarding or breeding kennel, pet shop, grooming shop, or dealership. The registration shall run for a period of one (1) year from the date of issuance.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4863880; v61 updated 2026-05-11; through 05-11-2026).
Full Breakdown
010 defines a pet shop as "any commercial establishment where dogs, cats or other small animals are bought, sold, or exchanged," and separately defines dealer, boarding kennel, breeding kennel and grooming shop. 160(B) requires a separate registration for each physical facility, running one year from issuance. 210: adequate shelter and drainage, food and bedding storage protected from rodent and insect infestation, isolation of sick animals from sale stock, a proprietor or competent person on-site whenever the business is open, and a written veterinary-care agreement for boarding and breeding facilities.
180(B) makes it independently unlawful to operate a shop that is "unsanitary, detrimental to public health and/or safety, or not in compliance" with those conditions. 180(D), appealable to the Department Director within five days.
Violations & Fines
Operating an unregistered pet shop, dealer, boarding or breeding kennel, or grooming shop is a Chapter 205 misdemeanor under Section 205.250: a fine of up to $1,000.00, up to one year in the county jail, or both, with a separate offense for each day of operation. Uncorrected sanitary or operating violations lead to registration revocation and closure under Section 205.180(D).
Frequently Asked Questions
Can a pet store in unincorporated St. Charles County sell dogs and cats?
What does a pet shop need before it can open?
What happens if a pet shop fails a sanitary or recordkeeping inspection?
Does a chain need a separate registration for each store location?
Sources & Official References
Other rules in St. Charles County
Compare St. Charles County to another location·View the Missouri animal ordinances overview
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