Sign Regulations in St. Louis, MO (2026)
2 verified sign regulations for St. Louis, Missouri, sourced directly from the municipal code and official government pages.
Verified from official government sources
Digital Billboards
New LED and digital billboards near interstate and primary highways are banned in St. Louis; only devices permitted before April 16, 2010 may keep operating as nonconforming signs.
St. Louis Digital Billboard Ban
Heavy RestrictionsSt. Louis Revised Code § 26.68.130(B)(10)(b)(iii)
Signs or devices may not have message surfaces made entirely or partly of light emitting diodes (LEDs) or similar lighting technology. Any sign or general outdoor advertising device with one or more LED message surfaces, trivision display or projection display that was permitted prior to April 16, 2010, shall be considered a nonconforming general outdoor advertising device and shall be allowed ...
Window Signs
St. Louis treats window signs as a standard permitted sign type, not a separately capped category, so they count toward each zoning district's overall on-premises sign-area limit: 30 square feet total combined signage in the "A" through "E" residential and two-family districts.
St. Louis Window Sign Rules
Some RestrictionsSt. Louis Revised Code § 26.68.080(C), (E)-(F)
C.Permitted Sign Types. Wall, window and ground. ... E.Permitted Maximum Sign Area. ... 2.All other uses. Total signage shall not exceed thirty (30) square feet.F.Permitted Maximum Height.1.Wall and Window Signs. The roof line of the building to which the sign is attached.