Located in Suite A on the west side of the Ace Hardware, BOSS Appraisal has been in business for more than 15 years. It appraises single- and multi-family homes, condominiums, and commercial properties in Kendall, Kane, Cook, LaSalle, Will, DuPage, Grundy, DeKalb, Lake and McHenry counties. All BOSS appraisers are licensed and/or certified, providing customers with timely and professional service at competitive rates.