Sign Regulations in Lemont, Illinois

Lemont, Illinois has specific sign regulations covering 22 sign types across 9 zoning districts. Regulated sign types include Monument Sign, Wall Sign, Awning Sign. Height restrictions apply. Permits are required for most commercial signs. Use PermitPal to get instant access to the complete regulations.

Data last verified: May 8, 2025

Sign Regulation Overview for Lemont, Illinois

Sample Sign Requirements in Lemont

Sign TypeMax HeightMax AreaSetback
Home Occupation Nameplate Sign72 square inches
Bed and Breakfast Wall Sign8 square feet
Institutional/Commercial Wall Sign (Residential Zone)5 ft above floor grade at entrance16 square feet

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

PermitPal Coverage for LemontFull Coverage

Sign Types Covered

22

  • Monument Sign
  • Wall Sign
  • Awning Sign
  • Changeable Copy Center
  • +2 more types

Zoning Districts

9

Different zoning districts with specific sign regulations

Data Includes

  • Permit requirements
  • Height restrictions
  • Illumination rules

Official Resources for Lemont

City WebsiteMunicipal Code2 permit application links available

Frequently Asked Questions

Sign height limits in Lemont 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 Lemont, 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 Lemont, regulated sign types include Monument Sign, Wall Sign, Awning Sign, Changeable Copy Center, 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 Lemont 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 Lemont are regulated with specific requirements for brightness, animation, and message duration. Lemont has documented illumination rules in our database. Use PermitPal to see the exact requirements for electronic message centers.

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Lemont, Illinois Sign Rules at a Glance

Lemont, Illinois regulates 22 sign types across 9 zoning districts. Institutional/Commercial Wall Sign (Residential Zone)s in the R-1 Single-Family Detached Residential District (R-1), R-2 Single-Family Detached Residential District (R-2), R-3 Single-Family Detached Residential District (R-3), R-4 Single-Family Detached Residential District (R-4), R-4A Single-Family Preservation and Infill District (R-4A), R-5 Single-Family Attached Residential District (R-5), R-5A Single-Family Detached and Attached Residential District (R-5A), R-6 Multi-Family Residential District (R-6) zoning district are capped at 5 ft above floor grade at entrance tall and 16 square feet (Sec. §17.11.130.C.1). Most commercial signs in Lemont require a permit.

Detailed Sign Ordinance Requirements for Lemont, Illinois

Sign Rules by Zoning District in Lemont (9 zones)

Zoning DistrictSign Types RegulatedMax HeightMax AreaPermit Required
R-1 Single-Family Detached Residential District (R-1), R-2 Single-Family Detached Residential District (R-2), R-3 Single-Family Detached Residential District (R-3), R-4 Single-Family Detached Residential District (R-4), R-4A Single-Family Preservation and Infill District (R-4A), R-5 Single-Family Attached Residential District (R-5), R-5A Single-Family Detached and Attached Residential District (R-5A), R-6 Multi-Family Residential District (R-6)68 feet72 square inches
B-1 Office/Retail Transitional District (B-1), INT Institutional District (INT)48 ft96 sq ft
B-3 Arterial Commercial District (B-3)48 ft72 sq ft
B-4 Commercial Recreation (B-4)38 ft96 sq ft
DD Downtown District (DD)64 ft24 sq ft
OL Open Lands District (OL)1
M-1 Light Manufacturing District (M-1), M-2 General Manufacturing District (M-2), M-3 Heavy Manufacturing District (M-3), M-4 Mineral Extraction District (M-4)38 ft100 sq ft (20 sq ft per tenant)
State Street Sign Overlay District15 ft30 sq ft
General Regulations For All Zones720 feet128 square inches

Zone-by-Zone Sign Requirements in Lemont(sample of 3 of 9 zones)

R-1 Single-Family Detached Residential District (R-1), R-2 Single-Family Detached Residential District (R-2), R-3 Single-Family Detached Residential District (R-3), R-4 Single-Family Detached Residential District (R-4), R-4A Single-Family Preservation and Infill District (R-4A), R-5 Single-Family Attached Residential District (R-5), R-5A Single-Family Detached and Attached Residential District (R-5A), R-6 Multi-Family Residential District (R-6)

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Home Occupation Nameplate Sign72 square inches1 per dwellingAttached to dwelling unitUnlock§17.06.080.D
Bed and Breakfast Wall Sign8 square feet1 per establishmentMounted on residenceUnlock§17.11.130.B
Institutional/Commercial Wall Sign (Residential Zone)5 ft above floor grade at entrance16 square feet1 per useAffixed flat to building wallUnlock§17.11.130.C.1
Institutional/Commercial Monument Sign (Residential Zone)8 feet32 square feet1 per use per frontageUnlock§17.11.130.C.2
Subdivision Monument Sign5 feet32 square feet1 per entranceAt each entrance to subdivision, in specific easement or outlotUnlock§17.11.130.D
Changeable Copy Center (Institutional/Commercial, Residential Zone)50% of total sign areaIncorporated into sign for institutional/commercial useUnlock§17.11.090.F, §17.11.130.C.3

DD Downtown District (DD)

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Monument Sign4 ft24 sq ft1 per establishment1 per establishmentUnlock§17.11.160.C
Wall SignUp to 3 per facadeEstablishment facadeUnlock§17.11.160.D–G
Projecting SignMax depth 8 inches if internally illuminated1 per establishment1 per establishmentUnlock§17.11.160.C,G
Window Sign1 per windowOn/painted on window glassUnlock§17.11.160.C, D–E
Awning SignOn canvas awning frame (1 in max diameter)Unlock§17.11.160.F
Sandwich Sign4 ft12 sq ft1 per establishmentImmediately in front of establishmentUnlock§17.11.160.C, §17.11.100.F

General Regulations For All Zones

Sign TypeMax HeightMax AreaMax WidthSetbackSigns AllowedLocationPermit RequiredPremium Details(Illumination, Size Formula, Permit Requirements, Additional Requirements — available with a free PermitPal account)Ordinance Citation
Nameplate Sign128 square inches1 per buildingAttached to buildingUnlock§17.11.030.A
Temporary Sandwich Sign4 feet12 square feet1 per establishmentImmediately in front of establishmentUnlock§17.11.100.F
Political Campaign Sign5 feet32 square feet (aggregate per lot)No limit to number; total area limitAny, except public right-of-wayUnlock§17.11.100.B
Temporary Real Estate Sign (Residential)4 feet4 square feet1 per street frontageOn subject propertyUnlock§17.11.100.C.2,4,8
Temporary Real Estate Sign (Non-Residential)8 feet16 square feet1 per street frontageOn subject propertyUnlock§17.11.100.C.3–4,8
Balloon Sign (Temporary)20 feet20 feetUnlock§17.11.100.D
Special Event Sign50 sq ftUnlock§17.11.100.E

PermitPal covers all 9 zoning districts in Lemont — full sign requirements for every zone, plus illumination rules, size formulas, and permit requirements for every sign type — with a free account.

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Prohibited Signs in Lemont

  • Any sign not expressly permitted in this Zoning Ordinance is prohibited.
  • Billboards are prohibited.
  • Balloon signs are prohibited, except as permitted under § 17.11.100.
  • Roof signs are prohibited.
  • Pole signs are prohibited.
  • Signs painted directly on exterior walls of a building are prohibited, except in the Downtown District.
  • Signs that have illuminated effects which flash, scroll, or convey the illusion of movement are prohibited.
  • Signs that contain electronic video displays similar to or otherwise depicting a television screen are prohibited.
  • Signs that move or revolve by means of mechanical or electrical power are prohibited.
  • Signs attached to light or utility poles are prohibited, except banners as otherwise permitted by this chapter.
  • Signs in the public right-of-way are prohibited unless otherwise expressly allowed by this chapter.
  • Placement of any vehicle, trailer, or container displaying signage for the purpose of advertising a product or service or directing people to a business or activity in a public right-of-way, public property, or private property is prohibited.
  • Placement of any parked vehicle displaying a sign indicating it is for sale is prohibited on public right-of-way, public property, or private property, except for private driveways serving dwelling units and meeting certain conditions.
  • Attention-getting devices such as pennants, propellers, spinners, streamers, searchlights, or similar devices or ornamentation are prohibited, except for conformance with § 17.11.100.E regarding searchlights.
  • Abandoned signs are prohibited.
  • Feather flag signs are prohibited.
  • Internally illuminated signs are prohibited, except as specifically provided within the chapter.
  • Cutting, damaging, or removing any tree, shrub, or other vegetation within the public right-of-way or required landscaping for the purpose of increasing/enhancing visibility of any sign is prohibited.

Exempt Signs in Lemont

  • Nameplate signs attached to a building not more than 128 square inches in sign area are exempt.
  • Signs integrated into or on a coin-operated machine, vending machine, fuel pump, or telephone booth are exempt.
  • Signs indicating entrances, exits, service areas and parking areas that do not contain advertising or promotional information are exempt (size may be restricted).
  • Barber poles displayed on the premises of a barbershop are exempt (subject to Building Department approval for location and erection).
  • Signs required by law are exempt.
  • The following signs are exempt from permit requirement: noncommercial signs; real estate signs for residential property up to 4 square feet; window signs; signs for residential uses like nameplates, private parking, garage sale, no trespassing, beware of dog (less than 4 square feet each); signs for public convenience (not more than 4 square feet each); signs for observation of holidays that lack a commercial message; memorial plaques, cornerstones, historical information signs, and similar designations up to 4 square feet each; sandwich signs; signs listed as exempt under § 17.11.030.
  • Political campaign signs are exempt from permit requirements.
  • Real estate signs, including open house signs, do not require a permit from the Village.

Sign Plan & Submission Notes for Lemont

  • A "sign plan" is required for each unified business center, commercial PUD, or mixed-use PUD. For PUDs, the Village Board approves sign plans; for non-PUDs, the Zoning Administrator approves.
  • Sign plans must include: site plan of property/elevations indicating all sign locations, computation of aggregate maximum sign area, dimensions, and height, materials, and illumination details.
  • All signs for shopping centers and PUDs must be in harmony with the overall architectural concept for the site and compatible with each other and with the building elevations.
  • For planned unit developments (PUDs) containing commercial or institutional components, the purpose of the sign plan guidance in § 17.11.150 is to inform sign standards.
  • Major modifications to an approved PUD plan/plat (including significant changes to signs) require re-review and re-approval, involving a public hearing process.

Source: municode municipal code