Rubin Isak, CEO/co-founder and Alex Isak, director of sales for the Upper West Side of Falco Isak Realty Services, an investment sales firm, has just exclusively sold three, 10-unit walk-up townhomes on West 76th St. between West End Ave. and Riverside Dr. in the Upper West Side neighborhood of the borough. The portfolio traded for $15.5 million in an all-cash transaction. 303, 329 & 331 West 76th St., aka, "The West 76th Street Portfolio" is comprised of three walk-up row houses, which total 30 residential units and 17,141 s/f. The portfolio consisted of 20 free market units and 10 rent stabilized units. The sellers owned the buildings for over 45 years. The buyers are private investors based in the Upper West Side. The sellers' counsel was Belkin Burden Wenig & Goldman, LLP and the purchasers' counsel was Donovan LLP.