SCHILLER PARK, IL-Rreef, with a North America headquarters inSan Francisco, has acquired an office building at 5100 River Rd.here. The building was acquired on behalf of an institutionalclient. The seller was North River Group LLC, based here.

A representative from Rreef declined to be interviewed. Arepresentative from North River Group LLC did not respond to arequest to be interviewed. A sales price was not disclosed butsimilar properties in the area sold for between $22 million and $25million.

The 141,261-sf office building was constructed in 2000. Thefour-story building has a two-level parking garage. The property isnear I-90, I-290 and I-294. Tenants include Motorola, Invensys APVSystems, Logicalis and LifeFitness, according to the company'swebsite. The asking lease rate for the building was not disclosed,but the average rate for the O'Hare submarket for class A officebuildings is $26.48 per sf, according to a third quarter marketreport by Grubb & Ellis.