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St. Charles County, MO Animal Ordinances: Exotic Pets (2026)

Heavy Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Who may keep one
zoo, circus, research lab, or licensed sanctuary only
Microchip trigger
kept in county over 30 days per year
Microchip failure fine
up to $100/day (§205.080)
General violation penalty
up to $1,000 or 1 year jail (§205.250)
Enforcement
Division of Humane Services / County Counselor

Summary

St. Charles County bans owning, selling or harboring wild or exotic/dangerous animals anywhere in the unincorporated county except at a zoo, circus, scientific institution, research lab, or licensed sanctuary. Any such animal kept in the county over thirty days a year must be microchipped and registered with the Division.

These county ordinances apply to unincorporated areas of St. Charles County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

It shall be unlawful for any person to sell, own, possess or harbor any wild or exotic/dangerous animal in any place other than a properly maintained zoological park, circus, scientific or educational institution, research laboratory, or a licensed sanctuary or refuge. All such animals present in the County for more than thirty (30) days out of each year shall be identified by a microchip and that microchip registered at the Division. Any violation of the Section shall be considered a separate violation for each day the animal is subject to microchip and registration and, upon conviction, shall result in a fine of up to one hundred dollars ($100.00) a day for such failure to microchip and register such exotic or dangerous animal.

View official code

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

080 states the rule flatly: it is unlawful "to sell, own, possess or harbor any wild or exotic/dangerous animal" outside the narrow exempt settings listed above. " The ban has one narrow release valve, not an exception to ownership itself: an exempt-location animal present in the county more than thirty days out of the year must be identified by microchip and that chip registered with the Division. 00 a day, with a fresh violation running for every day the animal goes unchipped and unregistered. 260. 080 ban on exotic and dangerous animals.

Violations & Fines

Failing to microchip and register an exempt-location exotic or dangerous animal draws a fine of up to $100.00 per day under Section 205.080 itself, with each unchipped day a separate offense. Illegally possessing a banned wild or exotic animal outside the zoo/circus/lab/sanctuary exceptions falls under Section 205.250's general Chapter 205 penalty: up to $1,000.00, up to a year in the county jail, or both.

Frequently Asked Questions

Can I legally own an exotic pet like a large snake or primate in unincorporated St. Charles County?
Only if it is housed at a properly maintained zoo, circus, scientific or educational institution, research laboratory, or licensed sanctuary or refuge. Private ownership outside those settings is unlawful under Section 205.080, regardless of how the animal is kept.
What counts as an "exotic/dangerous animal" under the code?
Section 205.010 defines it as any animal not indigenous to the United States and/or not normally kept as a pet, listing non-human primates, alligators, large carnivores, deadly or poisonous animals, wolves, coyotes, and any wolf- or coyote-hybrid as examples.
Does a legally exempt facility still need to register the animal?
Yes. Section 205.080 requires any such animal present in the county more than thirty days a year to be microchipped and that chip registered with the Division, separate from the facility's underlying legal status.
What's the penalty for keeping a banned exotic animal?
The general Chapter 205 penalty in Section 205.250 applies: a misdemeanor fine up to $1,000.00, up to a year in the St. Charles County Jail, or both, on top of the Section 205.080 fine of up to $100.00 a day specifically for a missed microchip or registration.

Sources & Official References

Other rules in St. Charles County

All St. Charles County rules

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