By Jacqueline Beardsley Most Expensive Home SOLD in DuPage County In April the most expensive home that sold in DuPage County IL was in Clarendon Hills! Some information about this property- List Price $3,200,000 Sold Price $2,985,000 Bedrooms 6 +1 below grade Baths 6.1 ASF 8582 Taxes $33,584.66