Window Signs: Des Plaines vs Evanston
How do window signs rules compare between Des Plaines, IL and Evanston, IL?
Des Plaines and Evanston have similar restriction levels.
Des Plaines, IL
Cook County
Cook County Zoning Ch. 102 caps window signs at roughly 25 percent of glazed area in unincorporated commercial districts. Suburban Cook municipalities each set their own rules: Evanston allows 30 percent, Oak Park 25 percent, Schaumburg 20 percent, with permanent versus temporary distinctions.
View full Des Plaines rules →Evanston, IL
Cook County
Cook County Zoning Ch. 102 caps window signs at roughly 25 percent of glazed area in unincorporated commercial districts. Suburban Cook municipalities each set their own rules: Evanston allows 30 percent, Oak Park 25 percent, Schaumburg 20 percent, with permanent versus temporary distinctions.
View full Evanston rules →Key Facts Comparison
| Fact | Des Plaines | Evanston |
|---|---|---|
| Unincorporated cap | About 25 percent glazed area | About 25 percent glazed area |
| Evanston cap | 30 percent of windows | 30 percent of windows |
| Oak Park cap | 25 percent with exceptions | 25 percent with exceptions |
| Schaumburg cap | 20 percent typical | 20 percent typical |
| Authority | Local sign codes vary | Local sign codes vary |
Highlighted rows indicate differences between cities.
Des Plaines FAQ
Do I need a permit for a window sign in suburban Cook?
Permanent window signs usually need a sign permit from the municipal building department; many suburbs exempt temporary or seasonal signs under 30 days. Check your village or city code before installing painted or vinyl applied signage.
What counts toward the percentage limit?
Most codes count any opaque or translucent signage, including vinyl lettering, neon, LED open signs, and posters visible through glass. Clear glass area used for visibility into the store generally is excluded from the calculation.
Can I cover my entire storefront window during a sale?
Generally no. Even temporary sale banners count toward window coverage limits in most Cook suburbs. Some allow short-term coverage for grand openings or going-out-of-business sales with a temporary permit and time limits.
Evanston FAQ
Do I need a permit for a window sign in suburban Cook?
Permanent window signs usually need a sign permit from the municipal building department; many suburbs exempt temporary or seasonal signs under 30 days. Check your village or city code before installing painted or vinyl applied signage.
What counts toward the percentage limit?
Most codes count any opaque or translucent signage, including vinyl lettering, neon, LED open signs, and posters visible through glass. Clear glass area used for visibility into the store generally is excluded from the calculation.
Can I cover my entire storefront window during a sale?
Generally no. Even temporary sale banners count toward window coverage limits in most Cook suburbs. Some allow short-term coverage for grand openings or going-out-of-business sales with a temporary permit and time limits.
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