WARRENSVILLE HEIGHTS, OHIO — Quantum Real Estate Advisors Inc. has arranged the $13.1 million sale of a 45,422-square-foot office building in Warrensville Heights, an eastern suburb of Cleveland. Constructed as a build-to-suit for advertising agency Marcus Thomas in 2011, the property was renovated in 2021. Daniel Waszak of Quantum represented the buyer, a Miami-based private investor. A metro Cleveland-based developer was the seller.