ARLINGTON HEIGHTS, ILL. — Next Realty Fund IX LP has acquired Arlington Executive Plaza, a medical office complex consisting of six single-story buildings in Arlington Heights. The purchase price was not disclosed. The buildings total approximately 62,500 square feet and are situated on more than 6.2 acres of land. The property is 90 percent leased by tenants such as Autism Home Support Services Inc., Cooperative Computer Services, Dawe’s Laboratories, BACT Process Systems Inc., Arlington Counseling Associates Ltd. and Dr. Kordas Pediatric Health. Tony Lombardo of Property Services Inc. represented the seller. Wintrust Bank provided acquisition financing.