Deals & DealmakersSlate Property cashes out of 21 Powers condo project in WilliamsburgREWAugust 1, 2016August 2, 2016 by REWAugust 1, 2016August 2, 201601088 Slate Property Group has cashed out of its planned condo project at 21 Powers Street in Williamsburg, Brooklyn. The development site, which contains a one-story