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St. Louis County, MO Sign Regulations: Garage Sale Signs (2026)

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

Key Facts

ROW signs
Banned
Yard sales/year
Max 3 (unincorp.)
Code
§1003.168, §710.010

Summary

Garage and yard sale signs are prohibited in the public right-of-way under SLCRO §1003.168 and §710.010. Signs may only be placed on private property with the owner's permission. Real-estate signs are also limited to the property being sold.

City-specific rules exist: Florissant has its own garage sale signs rules that differ from St. Louis County's county-level regulations. If you live in Florissant, check the city-specific page instead.

Sec. 710.010. — Prohibited, Where. … Signs for garage sales are prohibited from being placed in a public right-of-way.

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

Sign Regulations cover all temporary signage. The §710.010 (Prohibited, Where) clause specifically bars signs from public roads, utility poles, medians, and ROW. Decorative holiday displays may be up no more than 30 days before and 7 days after the holiday. Temporary banners for commercial grand openings need a sign permit and are limited to 30 days.

Violations & Fines

Sign removal by county; up to $1,000 per violation; littering charge under §1218.050.

Frequently Asked Questions

Can I put garage sale signs on telephone poles?
No: all utility poles and public ROW are off-limits.
Can I put a sign in my neighbor's yard?
Yes: with their permission. But only on private property, never in the public ROW.

Sources & Official References

Other rules in St. Louis County

All St. Louis County rules

Compare St. Louis County to another location·View the Missouri sign regulations overview

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