Pleasant Prairie, Wis. — Quantum Real Estate Advisors Inc. has brokered the sale of a roughly 26,000-square-foot retail center in Pleasant Prairie for an undisclosed price. Built in 2007, the property is located at 9740-9800 76th St. The center was fully leased at the time of sale to tenants such as Starbucks, Panda Express, Aspen Dental and AT&T. Chad Firsel of Quantum represented the seller, a Chicago-based private investor. Daniel Waszak of Quantum represented the buyer, a Miami-based investor.