Ariel Property Advisors (www.arielpa.com) arranged the sale of the following three properties totaling $6.85 million: * A 75-ft.-wide development site at 531 West 159th St. in Washington Heights sold for $3.3 million. The property features 25,779 buildable s/f as of right for residential development and 48,711 buildable s/f if a community facility is included. Exclusive agents Victor Sozio, Michael Tortorici, Jesse Deutch, and Josh Berkowitz represented the seller and procured the buyer, both private investors. * A 19,800 s/f, five-story walk-up building with 19 residential units and two commercial units at 576 Southern Blvd. in the Longwood section of the Bronx sold for $2.55 million. Exclusive agents Scot Hirschfield, Jason Gold, Shimon Shkury, and Sozio, represented the seller and procured the buyer, both private investors. * A one-story garage with 3,000 s/f of air rights at 707 Hart St. in the Bushwick section of Brooklyn sold for $1 million. Exclusive agents Daniel Tropp, Jonathan Berman, Mark Spinelli, and Tortorici represented the seller, an owner/user, and procured the buyer, an investor/developer.