Shawnee, Kan. — An investment group headed by Block & Co. Inc. Realtors has sold Monticello Center, an 8,000-square-foot retail building in Shawnee. The sales price was undisclosed. The property is fully leased to Chipotle, Farmers Insurance, Domino’s, Lush Nail Spa and Yoga Fit. Block & Co originally developed the building in 2004 and has remained its leasing and property management company. David Block and Larry Graves of Block & Co. represented the seller. Cory DeLong of AREA Real Estate Advisors represented the undisclosed buyer.