Residences in unincorporated St. Louis County may hold a maximum of 3 yard or garage sales per year. No permit is required, but signs may not be placed in any public right-of-way.
The 3-per-year cap is administrative county policy and is not explicitly numbered in the code, but it is referenced in the Department of Public Works guidebook. Garage sales beyond 3 per year may be treated as a home occupation (§1003.020.59 home occupation rules apply) or as unlicensed retail. Sign-placement violations carry separate citations under §710.010.
Notice of Violation; cessation of sale; up to $1,000 fine for unlicensed retail.
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