The Illinois Supreme Court found that the underlying allegations addressing construction defects were sufficient to establish "property damage" caused by an "occurrence."Acuity v. M/I Homes of Chicago, LLC, 2023 Ill. LEXIS 1019 (Ill. Nov. 30, 2023).

M/I Homes was the general contractor for a residential townhome development. The Owners' Association sued for breach of conract and breach of the implied warranty of habitability against M/I Homes. The complaint alleged that M/I Homes' subcontractors caused construction defects by using defective materials, conducting faulty workmanship and failing to comply with applicable building codes. The defects included leakage and uncontrolled water with moisture in locations in the buildings where it was not intended or expected. The Association further alleged that M/I Homes did not intend to cause the construction defects nor did it expect or intend the resulting property damage, such as damage to other building materials. The complaint further alleged that M/I Homes did not perform any of the construction work and that the subconractors performed all the work on its behalf.