Florida investment firm pays more than $30 million for Downtown office tower

The SunTrust building sold for about $31 million, according to county records filed last week, the seventh Downtown high-rise tower to be sold since December of 2013.

Mainstreet Capital Partners, a real estate investment company, purchased units in the 383,239 square-foot Class A building at 76 S. Laura St. from a number of entities, including the Parador Group, the largest owner of units in the building. The purchase price works out to about $81 per square foot.

Mainstreet, based in Fort Lauderdale,…