KansasOffice JLL sells three-building office park in Overland Park August 25, 2019 Share on Facebook Share on Twitter Share on LinkedIn Share via email JLL Capital Markets experts completed the $22.8 million sale of Executive Centre I, II and III, a three-building office park on 14.1 acres and totaling 222,426 square feet in Overland Park, Kansas. The buyer was Kansas City-based Brain Group. Managing director Steven Buss handled the sale on behalf of Minneapolis-based Onward Investors. Executive Centre I, II and III is 81 percent occupied with 93,000 square feet of new leases in the last 24 months. The buildings were constructed between 1981 and 1983 and benefited from a 2016 renovation including upgraded common areas and amenity spaces, new landscaping and signage and a new 1,153-square-foot fitness center.