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Sign Code Summary

Westmont, IL

Local sign ordinance requirements — free, cited to the source section.

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Understanding sign regulations in Westmont, IL

Every outdoor sign in Westmont is governed by the municipality’s sign ordinance, which sets how large a sign may be, how tall it may stand, how far it must sit from the property line, whether it may be illuminated, and which sign types are permitted in each zoning district. This page summarizes those requirements in plain language and links each value back to the section of the Westmont code it came from.

Sign rules here are layered. The base zoning district — commercial, industrial, or residential — sets the default limits, and overlay districts such as historic or downtown districts can tighten them further. Because the most specific jurisdiction controls, a freestanding monument sign on a commercial parcel and a wall sign in a historic overlay can face very different limits even on the same street in Westmont.

Use the figures below as a fast first check, then run a full address lookup to confirm the exact limits for a specific parcel in Westmont, Illinois. The full report also covers permit requirements, prohibited sign types, and illumination rules — each cited to the source ordinance so your permit application can reference it directly.

Before you order or install a sign in Westmont, confirm three things: the maximum sign area and height allowed in the parcel’s zoning district, the minimum setback from the right-of-way, and whether the sign type you want — freestanding, monument, wall, projecting, or awning — is permitted there at all. Many permit denials come from missing a setback or an overlay-district restriction rather than from the size of the sign itself, so checking the governing section before applying saves a costly resubmittal.

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Max ground sign height
Freestanding wayfinding signs may not exceed ten feet in height
Ground sign setback
Freestanding wayfinding signs must be set back at least 25 feet from property lines

Awning Signs

Awning Sign Sf Calc
Sandwich board signs may not exceed eight square feet per side
Awning Projection Clearance
Sandwich board signs set back at least 15 feet from vehicular private drives

Building Signs

Building Sign Formula
One wall sign permitted per business, one per street-facing frontage on corner lots
Building Sign Max Number
Up to six wall plaques/signs not exceeding four square feet each are exempt
Building Sign Illumination
in full report

1 more building signs rule in the full report →

Directional Signs

Directional Max Size
Driveway signs may not exceed nine square feet in area

General Signs

Grand Opening Signs
Grand opening event signs allowed maximum duration 14 consecutive calendar days
Off Premises Signs
Off-premises signs prohibited except within 660 feet of Route 83 or Route 34
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Ground Signs

Ground Sign Type
One freestanding sign permitted per lot; pole signs prohibited
Ground Sign Formula
Multi-tenant centers: max gross sign area 50% of lot frontage or 200 sq ft, whichever less
Ground Sign Max Height
in full report
Ground Sign Setback
in full report

2 more ground signs rules in the full report →

Permit Process

Permit Time Frame
Signs without required permit issued are expressly prohibited
Triangulation Requirements
Signs that violate the sight vision triangle regulations are prohibited

Temporary Signs

Temp Signs Allowed
One temporary sign permitted per business per display period, max 30 days
Temp Sign Rules
Temporary signs may not exceed 32 sq ft in area, freestanding or wall-attached

Window Signs

Window Sign Allowable Area
Window signs may cover no more than 40 percent of the total window area

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