Champaign County limits lot coverage by the share of lot area covered by building area, not all pavement. Maximums range from 20% in the AG-1 Agriculture district to 30% in the R-1, R-2, and R-3 residential districts and 40% in R-4 (Section 5.3).
Champaign County's Zoning Ordinance controls building intensity through maximum lot coverage, defined as the percentage of the lot area covered by building area. The farmland-protecting AG-1 Agriculture district caps coverage at 20% and AG-2 at 25%. Single-family and two-family residential districts (R-1, R-2, R-3) allow up to 30%, and the R-4 multiple-family district up to 40% (Section 5.3). Because coverage counts building area rather than total impervious surface, driveways and open patios are treated differently than under some city codes that measure all hardscape. Exceeding the limit requires a variance from the Zoning Board of Appeals.
Exceeding the coverage cap violates the Champaign County Zoning Ordinance, and Planning and Zoning can reject the permit until the plan complies. Relief requires a variance from the Zoning Board of Appeals.
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Champaign County, IL
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See how Champaign County's lot coverage limits rules stack up against other locations.
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