Sign Regulations in Decatur, Illinois
Decatur, Illinois has specific sign regulations covering 23 sign types across 9 zoning districts. Regulated sign types include Wall Sign, Temporary Freestanding Sign, Extended Temporary Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.
Data last verified: November 5, 2025
Sign Regulation Overview for Decatur, Illinois
Sample Sign Requirements in Decatur
| Sign Type | Max Height | Max Area | Setback |
|---|---|---|---|
| Directional Sign | 3 feet | 4 square feet | — |
| Portable Sign | 5 feet | 32 square feet | — |
| Electronic Message Unit Sign | — | 50 square feet in O-1, B-1, B-2, B-3, B-4, M-1, M-2, PD; 32 square feet in residential districts | 10 feet front yard; 100 feet from residential in non-residential |
* Sample data shown. Actual requirements may vary by zone. Use PermitPal for complete, location-specific regulations.
Sign Types Covered
23
- Wall Sign
- Temporary Freestanding Sign
- Extended Temporary Sign
- Temporary Wall Sign or Banner
- +2 more types
Zoning Districts
9
Different zoning districts with specific sign regulations
Data Includes
- Permit requirements
- Height restrictions
- Illumination rules
Official Resources for Decatur
Other Cities in Illinois
Frequently Asked Questions
Sign height limits in Decatur 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 Decatur, 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 Decatur, regulated sign types include Wall Sign, Temporary Freestanding Sign, Extended Temporary Sign, Temporary Wall Sign or Banner, 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 Decatur 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 Decatur are regulated with specific requirements for brightness, animation, and message duration. Decatur has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.
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Decatur, Illinois Sign Rules at a Glance
Decatur, Illinois regulates 23 sign types across 9 zoning districts. Freestanding Sign (Under 5 acres)s in the Agriculture District (AG), Single Family Residence District (R1, R2, R3), Two-Family Residence District (R5) zoning district are capped at 10 feet tall and 50 square feet, with a 5 feet from any property line setback (Sec. SECTION XXVI C.2). Most commercial signs in Decatur require a permit.
Detailed Sign Ordinance Requirements for Decatur, Illinois
Sign Rules by Zoning District in Decatur (9 zones)
| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
|---|---|---|---|---|
| General Regulations For All Zones | 4 | 35 feet; 40 feet if two faces on one-way street | 300 square feet per face (including border/trim, excluding base/supports); back-to-back single sign if <=30 degrees | — |
| Agriculture District (AG), Single Family Residence District (R1, R2, R3), Two-Family Residence District (R5) | 9 | 15 feet | 75 square feet | — |
| Multiple Dwelling District (R6) | 6 | 15 feet | 75 square feet | — |
| Office District (O1) | 6 | 15 feet | 75 square feet | — |
| Neighborhood Shopping District (B1) | 6 | 20 feet | 75 square feet | — |
| Commercial District (B2), Planned Shopping District (B3), Intensive Commercial/Light Industrial District (M1), Heavy Industrial District (M2) | 10 | 170 feet | 900 square feet | — |
| Central Business District (B4) | 10 | 35 feet | 300 square feet | — |
| Limited Industrial District (M3) | 6 | 10 feet | 50 square feet | — |
| Planned Development District (PD) | 5 | 35 feet | 200 square feet | — |
Zone-by-Zone Sign Requirements in Decatur(sample of 3 of 9 zones)
Agriculture District (AG), Single Family Residence District (R1, R2, R3), Two-Family Residence District (R5)
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Freestanding Sign (Under 5 acres) | 10 feet | 50 square feet | — | 5 feet from any property line | 1 per frontage | Per frontage | — | Unlock | SECTION XXVI C.2 |
| Freestanding Sign (5 acres or more) | 15 feet | 75 square feet | — | 5 feet from any property line | 1 per frontage | Per frontage | — | Unlock | SECTION XXVI C.2 |
| Wall Sign | — | 50 square feet | — | — | 1 per main building | On main building | — | Unlock | SECTION XXVI C.3 |
| Wall Sign - Home Occupation | — | 2 square feet | — | — | 1 | On main building | — | Unlock | SECTION XXVI C.1.b |
| Subdivision Identification Sign | — | 50 square feet | — | — | Up to 2 per major entrance | At each major entrance to the subdivision | — | Unlock | SECTION XXVI C.4 |
| Temporary Freestanding Sign | 3 feet | 6 square feet | — | — | 5 per lot | On lot | — | Unlock | SECTION XXVI C.5.a |
| Extended Temporary Sign | 3 feet | 6 square feet | — | — | 1 per lot | On lot | — | Unlock | SECTION XXVI C.5.b |
| Temporary Wall Sign or Banner - Other Uses | — | Combined with permanent wall signs not to exceed 15 percent of the wall | — | — | 3 total on main building | Attached to main building | — | Unlock | SECTION XXVI C.5.d |
Commercial District (B2), Planned Shopping District (B3), Intensive Commercial/Light Industrial District (M1), Heavy Industrial District (M2)
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Freestanding Sign - One or Two Businesses (Under 500 ft frontage) | 35 feet | 100 square feet | — | 5 feet from any property line | 1 per frontage | Per frontage | — | Unlock | SECTION XXVI F.3 |
| Freestanding Sign - One or Two Businesses (500 ft or more frontage) | 35 feet | 100 square feet | — | 5 feet from any property line | 2 per frontage | Per frontage | — | Unlock | SECTION XXVI F.3 |
| Freestanding Sign - One or Two Businesses (800 ft or more frontage) | 35 feet | 100 square feet | — | 5 feet from any property line | 3 per frontage | Per frontage | — | Unlock | SECTION XXVI F.3 |
| Freestanding Sign - Multi-Tenant Three or More Businesses | 35 feet | 200 square feet | — | 5 feet from any property line | 1 per development | Per development | — | Unlock | SECTION XXVI F.3 |
| Temporary Freestanding Sign | 10 feet | 32 square feet | — | — | 1 per lot | On lot | — | Unlock | SECTION XXVI F.5.a |
| Extended Temporary Sign | 3 feet | 6 square feet | — | — | 1 per lot | On lot | — | Unlock | SECTION XXVI F.5.b |
| Temporary Wall Sign or Banner | — | Combined with permanent wall signs not to exceed 15 percent of the wall | — | — | 3 total on main building | Attached to main building | — | Unlock | SECTION XXVI F.5.c |
| Interstate Freestanding Sign | 170 feet | 900 square feet | — | 200 feet from another interstate freestanding sign | 1 per lot | Along interstate frontage | — | Unlock | SECTION XXVI F.10 |
Central Business District (B4)
| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Premium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account) | Ordinance Citation |
|---|---|---|---|---|---|---|---|---|---|
| Freestanding Sign - One or Two Businesses (Under 500 ft frontage) | 35 feet | 100 square feet | — | 5 feet from any property line | 1 per frontage | Per frontage | — | Unlock | SECTION XXVI F.3 |
| Freestanding Sign - One or Two Businesses (500 ft or more frontage) | 35 feet | 100 square feet | — | 5 feet from any property line | 2 per frontage | Per frontage | — | Unlock | SECTION XXVI F.3 |
| Freestanding Sign - One or Two Businesses (800 ft or more frontage) | 35 feet | 100 square feet | — | 5 feet from any property line | 3 per frontage | Per frontage | — | Unlock | SECTION XXVI F.3 |
| Freestanding Sign - Multi-Tenant Three or More Businesses | 35 feet | 200 square feet | — | 5 feet from any property line | 1 per development | Per development | — | Unlock | SECTION XXVI F.3 |
| Temporary Freestanding Sign | 10 feet | 32 square feet | — | — | 1 per lot | On lot | — | Unlock | SECTION XXVI F.5.a |
| Extended Temporary Sign | 3 feet | 6 square feet | — | — | 1 per lot | On lot | — | Unlock | SECTION XXVI F.5.b |
| Temporary Wall Sign or Banner | — | Combined with permanent wall signs not to exceed 15 percent of the wall | — | — | 3 total on main building | Attached to main building | — | Unlock | SECTION XXVI F.5.c |
| Rooftop Sign | 20 feet above roof deck, coping or parapet (combined building + sign not exceed B-4 max height) | 300 square feet | 1/3 of building face width at top | — | — | On roof of 3+ story building | — | Unlock | SECTION XXVI F.7 |
PermitPal covers all 9 zoning districts in Decatur — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.
See all 9 zones for Decatur — start freeProhibited Signs in Decatur
- Pennants, streamers, lines of whirling or spinning elements, and similar
- Revolving or flashing beacons that resemble traffic control devices or emergency vehicle signals
- Signs which are an imitation of, or resemble in shape, size, copy or color an official traffic sign or signal
- Signs portraying obscene, indecent or immoral matter
- Signs employing exterior brilliant, intermittent, rotating or flashing lights, including electronic message unit signs, shall not be permitted within 100 feet of the boundary of any "R" District
- No sign, except those necessary for traffic and parking control and projecting yard signs as listed in subparagraph 13, shall be posted in a right-of-way, boulevard, or other publicly-owned space
- No portion of any sign, exclusive of the standard of a freestanding sign, located within a vision clearance area, shall be less than nine feet above the level of the sidewalk or lot line (or twelve feet where traffic lights may be obscured)
Exempt Signs in Decatur
- Outdoor political campaign signs on residential property for residential use are exempt from the time period regulations and the number of temporary signs to be displayed
- Signs necessary for traffic and parking control are exempt from the right-of-way prohibition
Sign Plan & Submission Notes for Decatur
- In the B-3 Planned Shopping District, greater flexibility of uses including signs is allowed if the entire district is planned and developed as a unit
- In the PD Planned Development District, development including signs is subject to intensive review and the terms of a development order approved by City Council
- In the SPD Special Planned Development District, development including signs is subject to intensive review and the terms of a development order approved by City Council
- Projecting yard signs may be permitted to extend over the right-of-way in the B-4 District and within any specially designated sign district, planned unit development or other overlay district, subject to proof of liability insurance and indemnification of the City
Source: other municipal code