Land Use & Zoning

A nonconforming use in Illinois is best defined as:

AA use that violates current zoning but was lawfully established before the current zoning ordinance took effect✓ Correct
BAn illegal structure built without permits
CA use that requires a special use permit
DA use that conforms to the zoning but not to the building code

Explanation

A nonconforming use (or legal nonconforming use) is one that was lawfully established before the current zoning regulations took effect but does not comply with current requirements. Illinois municipalities generally allow these uses to continue but restrict their expansion or reconstruction after destruction. Over time, municipalities may phase out nonconforming uses through amortization provisions.

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