Since 2010, the Brooklyn real estate market has been surging. Over the course of the last four years, the total dollar amount of commercial real estate sales in Brooklyn has increased 397 percent with transaction volume up 151 percent. In 2010, $1 billion of commercial sales were completed, compared to more than $5 billion in 2013 — and projections for commercial sales in Brooklyn for 2014 are more than $6 billion.