Massey Knakal's (MK) Northern Manhattan sales team has closed on four transactions consisting of 17 buildings valued at more than $24.125 million, according to Shimon Shkury, managing partner. The properties sold include: The Central Harlem portfolio, comprised of 12 walk-up residential and mixed-use buildings. The portfolio sold for $15 million; 166-68 East 104th St., which sold for $2.925 million; 2266-68 Frederick Douglass Blvd.,which sold for $3 million; 2033 Second Ave., which sold for $3.2 million; and according to Shkury, the firm also closed one of the largest East Harlem development sites to trade this year: 2269-75 First Ave., which sold for $11.5 million. The firm has also recently completed the following transactions: A residential development site with plans for a 72,000 s/f condominium at 948-952 Second Ave. in Midtown East was sold in a deal valued at $30 million. MK broker Clint Olsen exclusively represented the seller with broker Michael Harari. 312 Bowery in NoHo was sold by in a deal valued at $22.1 million. The elevatored property is comprised of 22,749 s/f. MK vice chairman John Ciraulo exclusively represented the seller with managing director James Nelson and broker James Kinsey. A residential development site at 20 Henry St. in the Brooklyn Heights section of Brooklyn sold in an all-cash deal valued at $19.6 million. MK managing director/partner Brian Leary exclusively represented the seller with MK chairman Robert Knakal. MK has sold two lots at 178-180 East 93rd St. on the Upper East Side in a deal valued at $8.745 million. MK broker Cory Rosenthal exclusively represented the seller with broker Guthrie Garvin. Richard Steinberg of Warburg Realty assisted. 161 West 132nd St. in Central Harlem was sold in an all-cash deal valued at $5 million. MK broker Patrick O'Malley exclusively represented the seller. MK has sold a two-story, mixed-use property at 108-15/17 72nd Ave. in the Forest Hills section of Queens in a deal valued at $3.995 million. MK broker Nikolay Diankov exclusively represented the seller and Eric Borukhov of Dakota Realty of Forest Hills assisted in representing the seller. The buyer represented himself. MK has sold two adjacent pre-war buildings at 528-530 50th St. in Brooklyn's Sunset Park in a deal valued at $2.15 million. The four-story properties combined contain over 14,280 s/f. MK broker Adam Hess exclusively represented the seller. A four-story, walk-up apartment building at 511 East 86th St. on the Upper East Side was sold in an all-cash deal valued at $2.75 million. The property contains 6,400 s/f. MK partner Marco Lala represented the seller with Rosenthal. MK has sold a vacant lot near Fordham University at 351 East 194th St. in the Riverdale, Bronx in an all-cash deal valued at $1.175 million. It contains 27,079 buildable s/f MK broker Karl Brumback exclusively represented the seller.