Sign Regulations in O'Fallon, Illinois

O'Fallon, Illinois has specific sign regulations covering 30 sign types across 8 zoning districts. Regulated sign types include Flag (Non-Commercial), Art/Statue/Monuments (<10 sq ft), Address/Occupant Identification Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.

Data last verified: February 20, 2026

Sign Regulation Overview for O'Fallon, Illinois

Sample Sign Requirements in O'Fallon

Sign TypeMax HeightMax AreaSetback
Flag (Non-Commercial)Pole max 35 feet (special use needed for more)Flag length max 10 feet
Art/Statue/Monuments (<10 sq ft)10 square feet
Address/Occupant Identification SignSingle-family: 3 sq ft; Multifamily: 6 sq ft

* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.

PermitPal Coverage for O'FallonFull Coverage

Sign Types Covered

30

  • Flag (Non-Commercial)
  • Art/Statue/Monuments (<10 sq ft)
  • Address/Occupant Identification Sign
  • Temporary Non-Commercial Sign
  • +2 more types

Zoning Districts

8

Different zoning districts with specific sign regulations

Data Includes

  • Permit requirements
  • Height restrictions
  • Illumination rules

Frequently Asked Questions

Sign height limits in O'Fallon vary by zone and sign type. Wall signs typically range from 25-40 feet, while monument signs are usually limited to 6-10 feet. Use PermitPal to get exact requirements for your property.

To get a sign permit in O'Fallon, 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 O'Fallon, regulated sign types include Flag (Non-Commercial), Art/Statue/Monuments (<10 sq ft), Address/Occupant Identification Sign, Temporary Non-Commercial 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 O'Fallon 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 O'Fallon are regulated with specific requirements for brightness, animation, and message duration. O'Fallon has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.

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