Sign Regulations in Saint Louis, Missouri
Saint Louis, Missouri has specific sign regulations covering 29 sign types across 9 zoning districts. Regulated sign types include Window Sign, Wall Sign, Ground Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.
Data last verified: January 16, 2026
Sign Regulation Overview for Saint Louis, Missouri
Sample Sign Requirements in Saint Louis
| Sign Type | Max Height | Max Area | Setback |
|---|---|---|---|
| Outdoor General Advertising Device - General Prohibition/Allowance | Max 35 ft above highway grade for exempt highway-related devices | Max 1,200 sq ft per face where allowed under state-highway-related exemption | As detailed in 26.68.130(C)(10)(d) for highway-related devices (50 ft from lot property line, 30 ft from building, 100 ft from on-premise signs, etc.) |
| Wall Sign | Up to roof line of building to which attached | Hotels/Motels: 30 sq ft per sign; All other uses: total signage on premises max 30 sq ft | Set back from premises boundary lines same as building containing conforming use; may project into required setback the permitted depth. |
| Window Sign | Up to roof line of building to which attached | Hotels/Motels: 30 sq ft per sign; All other uses: total signage on premises max 30 sq ft | Building setback determines sign setback; may effectively “project” only as window placement allows. |
* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.
Sign Types Covered
29
- Window Sign
- Wall Sign
- Ground Sign
- Projecting Sign
- +2 more types
Zoning Districts
9
Different zoning districts with specific sign regulations
Data Includes
- Permit requirements
- Height restrictions
- Illumination rules
Official Resources for Saint Louis
Other Cities in Missouri
Frequently Asked Questions
In Saint Louis, wall signs can be up to Up to roof line of building to which attached. Height limits vary by zoning district and sign type. Use PermitPal to get exact requirements for your specific location.
To get a sign permit in Saint Louis, submit an application to the local building or planning department with sign dimensions, location, and design specifications. Our data confirms permits are required for most commercial signs. Processing typically takes 1-4 weeks. PermitPal helps you identify specific requirements and prepare complete applications.
In Saint Louis, regulated sign types include Window Sign, Wall Sign, Ground Sign, Projecting Sign, and 2 more types. Most commercial signs require permits. Temporary signs and certain small signs may be exempt. Use PermitPal for specific exemptions.
Sign setback requirements in Saint Louis vary by zone and sign type, typically ranging from 5-15 feet from property lines. Use PermitPal for specific setback requirements at your location.
Digital and LED signs in Saint Louis are regulated with specific requirements for brightness, animation, and message duration. Saint Louis has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.
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