# Sign Regulations in Wilmington, Illinois

Sign permit rules, size and height limits, setbacks, and ordinance citations for Wilmington, Illinois, compiled by PermitPal from the jurisdiction's published municipal code.

- **Jurisdiction:** Wilmington, Illinois (IL)
- **Canonical page:** https://permitpal.io/sign-regulations/illinois/wilmington
- **Data last verified:** 2025-05-09
- **Source:** [municode municipal code](https://library.municode.com/IL/Wilmington/codes/Code_of_Ordinances?nodeId=TITIXGERE_CH96SI)

## At a glance

Wilmington, Illinois regulates 8 sign types across 6 zoning districts. Antenna/Satellite Dish (Accessory to Residential Use)s in the E-R Estate Residential District, G-R General Residential District, R-1 Residential District, R-2 Residential District, R-3 Residential District, R-4 Residential District, R-5 Residential District zoning district are capped at 60 feet (if for private/personal use); must not exceed 7 ft in diameter for residential dish tall and 7 feet (diameter for satellite dish) wide, with a Must be in side or rear yard; setbacks for principal structure apply setback (Sec. Section 150.93(C), (D)(6)). Most commercial signs in Wilmington require a permit.

## Sign rules by zoning district (6 zones)

| Zoning District | Sign Types Regulated | Max Height | Max Area | Permit Required |
| --- | --- | --- | --- | --- |
| A-1 Agricultural District | 1 | — | — | — |
| E-R Estate Residential District, G-R General Residential District, R-1 Residential District, R-2 Residential District, R-3 Residential District, R-4 Residential District, R-5 Residential District | 2 | 60 feet (if for private/personal use); must not exceed 7 ft in diameter for residential dish | 1 square foot | — |
| R-B Restricted Business District, B-1 Neighborhood Commercial District, B-2 Light Commercial District, B-2A Central Business District, B-3 General Commercial District | 2 | 20 feet (canopy) | — | — |
| I-1 Office, Research and Light Industrial District, I-2 Light Industrial District, I-3 Heavy Industrial District, I-4 Large Scale Industrial Development District, I-5 Large Scale Planned Industrial District | 2 | — | — | — |
| Lowland Conservancy Overlay District | 1 | — | — | — |
| General Regulations For All Zones | 1 | — | — | — |

## Zone-by-zone sign requirements (sample of 3 of 6 zones)

### E-R Estate Residential District, G-R General Residential District, R-1 Residential District, R-2 Residential District, R-3 Residential District, R-4 Residential District, R-5 Residential District

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Home Occupation Sign | — | 1 square foot | — | — | 1 per residential dwelling with home occupation | Affixed to principal residential dwelling in which the home occupation is located | — | Section 150.91(A)(3) |
| Antenna/Satellite Dish (Accessory to Residential Use) | 60 feet (if for private/personal use); must not exceed 7 ft in diameter for residential dish | — | 7 feet (diameter for satellite dish) | Must be in side or rear yard; setbacks for principal structure apply | 1 per lot (plus 1 TV antenna allowed) | Side or rear yard, not visible between ground level and 10 ft from street | — | Section 150.93(C), (D)(6) |

### R-B Restricted Business District, B-1 Neighborhood Commercial District, B-2 Light Commercial District, B-2A Central Business District, B-3 General Commercial District

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Freestanding Electronic Banking Facility (ATM) Sign | 20 feet (canopy) | — | — | 10 ft from public right-of-way, 5 ft from any property line, not within residential buffer yard | 1 per ATM | Only on private property, not within 10 ft of right-of-way or within buffer yard to residential | — | Section 150.94 |
| Antenna/Satellite Dish (Accessory in Commercial Zone) | — | — | — | Setbacks for main structure; additional for towers equal to height unless engineer shows self-collapsing | 1 per business (plus TV antenna if needed) | Side or rear yard, not closer to side street than principal building | — | Section 150.93(C)-(G) |

### I-1 Office, Research and Light Industrial District, I-2 Light Industrial District, I-3 Heavy Industrial District, I-4 Large Scale Industrial Development District, I-5 Large Scale Planned Industrial District

| Sign Type | Max Height | Max Area | Max Width | Setback | Signs Allowed | Location | Permit Required | Ordinance Citation |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Antenna/Satellite Dish (Accessory in Industrial Zone) | — | — | — | Setbacks for main structure; additional for towers equal to height unless engineered self-collapse | 1 per business (plus TV antenna if needed) | Side or rear yard, not closer to side street than principal building | — | Section 150.93(C)-(G) |
| Cargo Container Facility Sign | — | — | — | Min 1000 ft from residences, screening with 100 ft landscape easement, other dimensional requirements | — | Permitted as a special use in most intense industrial/manufacturing zones (I-3 and up) | — | Section 150.85(D) |

## Prohibited signs in Wilmington

- No buildings or structures shall be erected, converted, enlarged, reconstructed or structurally altered, nor shall any building or land be used for any purpose other than is permitted in the district in which the building or land is located.
- No permit or license shall be issued to authorize the use or change in use of any land or building contrary to the provisions of this chapter.
- No sign may be erected, moved, or altered unless in accordance with Chapter 96 (Signs).
- No outdoor storage or outdoor processing is allowed within 300 feet of a residence or a residential district in large scale planned industrial districts, unless appropriately screened or enclosed.
- Cargo container facilities are prohibited in all zoning districts except as a special use in the city's most intense industrial/manufacturing zoning district (I-3), subject to additional requirements.
- It is unlawful to store or park certain recreational vehicles or trailers on public right-of-way or village property.
- No accessory building, structure or use shall be constructed or established prior to the time of construction or establishment of the principal building, structure or use to which it is accessory.
- No person shall undertake or continue any development activity contrary to or in violation of any terms of the Lowland Conservancy Overlay District regulations.
- No development, including clearing or removal of natural ground cover/trees, is permitted within the Lowland Conservancy Overlay District unless a special use permit is granted.
- Dumping, filling, mining, excavating, dredging, or transferring of any earth material within the Lowland Conservancy Overlay District is prohibited unless a special use permit is granted.
- No signage, other than company identification logos, shall be allowed on any cargo container unless approved in accordance with the sign ordinance.

## Signs exempt from permit in Wilmington

- Emergency work necessary to preserve life or property is exempt from special use permit requirements in the Lowland Conservancy Overlay District, but subsequent reporting and permitting is required.
- Work consisting of the operation, repair, or maintenance of any lawful use of land existing on the date of adoption of Lowland Conservancy Overlay District is exempt.
- The private/personal use of an antenna or satellite dish for the reception or transmission of radio or television signals, ham radio signals, or citizen band transmissions, of a height no greater than 60 feet, is exempt from building permit requirements.
- Resurfacing or paving of existing parking lots, provided said lot is not being expanded, is exempt from site plan requirements.
- A site plan is not required for minor improvements or remodeling of an existing business where the total impervious area does not change, but information required for a building permit may still be needed.
- Lands adjacent to farm ditches are exempt from the Lowland Conservancy Overlay District unless farm ditches are found to contribute to adverse environmental impacts or hazards.

## Sign plan & submission notes

- All developments in the R-4 and R-5 Residential Districts must be planned unit developments (PUDs), which require the submission of preliminary and final plats, including landscape and site plans; signs for planned unit developments must comply with Chapter 96 (Signs).
- For multifamily residential, commercial, industrial or any other nonresidential developments, no building permit shall be issued without complying with site plan submission. The site plan must include the location, size, height, and orientation of all signs other than signs flat on building facades.
- A site plan must be submitted for new construction, change of zoning, parking lot expansions, minor changes to commercial entrances, or additions to water retention/detention facilities. The site plan must include signage information.
- For conditional use, variance, or map amendment applications, the applicant must post a sign upon the property, with details as specified by ordinance (size, content, legibility, etc.).
- Within I-4 (Large Scale Industrial Development) and I-5 (Large Scale Planned Industrial District), a preliminary and final site plan is required. These must include the location, size, height, and orientation of project monument signs and, at the owner's election, building signs. In case of conflict between the sign ordinance and sign provisions in an approved final site plan, the site plan approval governs.
- For I-4 and I-5 Districts, landscaping plans must be submitted as part of the preliminary site plan and may include details relevant to sign landscaping.
- For planned unit developments (PUD), preliminary and final plats require landscape plans and may require sign details, subject to further request by the planning and zoning commission or city council.
- In large scale industrial districts, site plan reviews include monument and wall sign details; a permit must be issued by the building department prior to installing any sign.

## Full detail

This page publishes an overview of every zoning district plus a sample of 3 districts in full. Complete zone-by-zone requirements for all 6 zoning districts in Wilmington — every sign type, every field — are available with a free PermitPal account: https://app.permitpal.io/?address=Wilmington+IL&override=true&utm_source=landing&utm_medium=city-page&utm_campaign=city-wilmington

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