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St. Louis County, MO Business Licensing & Operations: Tattoo & Body Modification (2026)

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

Key Facts

Permit fee
$100 per year, non-transferable
School buffer
500 feet from any school building
Minimum age
18, or notarized parental consent
Sterilization
Autoclave 250°F, 30 min plus drying
Inspections
At least every six months
Record retention
Client records kept 1 year minimum
Maximum penalty
$1,000 fine and/or 1 year jail

Summary

St. Louis County requires a $100 annual permit from the Director of Health before any establishment can tattoo or pierce skin in the unincorporated county, per County Code §621.030. New shops cannot open within 500 feet of a school building, tattoo artists need a separate operator's card, and clients under 18 need notarized parental consent. Violators face up to a $1,000 fine and a year in jail.

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

1. It shall be unlawful for any person, firm or corporation owning, controlling or leasing, acting as agent for, conducting, managing or operating any establishment to engage in the practice of tattooing or body piercing without first applying for and receiving a permit for the establishment from the Director in the manner herein provided. No permit shall be issued permitting the operation of any establishment in the unincorporated area of St. Louis County within five hundred (500) feet of any school building; except, however, this restriction shall not apply to the issuance of a permit for an establishment already in operation at the time this ordinance becomes effective.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 85 | Traffic: Supplement 80).

Full Breakdown

010). 030), and the county will not issue one within 500 feet of a school building for a new location, though shops already operating when the 2001 ordinance took effect are grandfathered in. 040), and it lapses every December 31 with no transfer allowed between owners or locations. 050). 060). 060). 060).

Violations & Fines

Operating without a permit, tattooing within 500 feet of a school, or breaking any sanitation, age-consent or recordkeeping rule in Chapter 621 is punishable under §621.070 by a fine of up to $1,000, up to one year in the County Jail, or both. The Director can also suspend or revoke the establishment permit or an operator's card for any violation, and an operator who attempts a tattoo-removal procedure faces immediate permit suspension and a show-cause revocation hearing.

Frequently Asked Questions

Do I need a county permit to open a tattoo shop in unincorporated St. Louis County?
Yes. County Code §621.030 makes it unlawful to operate a tattoo or body piercing establishment without a permit from the Director of Health, and the shop cannot open within 500 feet of a school building unless it was already operating before the 2001 ordinance took effect. The permit costs $100 a year and is not transferable to a new owner or address.
Can a minor get a tattoo in St. Louis County?
Only with notarized written consent from a parent or legal guardian on a form the Director of Health provides, plus proof that the person requesting the tattoo is the one named on the consent form. Operators who doubt a client's age must verify it with state-approved identification before starting the procedure, per §621.060.
How must tattoo equipment be sterilized?
Needles, hand pieces and other reusable instruments must go through steam-pressure sterilization, at least 30 minutes at 250°F, followed by at least 15 minutes of drying time, per §621.060. Ink cups, razor blades and acetate stencils are single-use and discarded after each patron, and contaminated waste goes into a marked biohazard bag for pickup by a medical waste service.
What happens if a tattoo shop violates the county code?
A violation of Chapter 621 is punishable by up to a $1,000 fine, up to one year in the County Jail, or both, under §621.070. The Director of Health can also suspend the establishment's permit or an operator's card, and inspects every shop at least twice a year to check compliance with the sanitation and licensing rules.

Sources & Official References

Other rules in St. Louis County

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All St. Louis County rules

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