Recent commercial real estate transactions in New York City. : This 1926 six-story elevator building in West Harlem has 38 apartments — 19 four-bedrooms, 11 three-bedrooms and eight two-bedrooms — of which 32 are rent stabilized and six are market rate. The average apartment size is 950 square feet. A deli/grocery occupies 1,450 square feet on the ground floor. The 42,520-square-foot building, which offers a cap rate of 3.42 percent, has a net operating income of $584,751. The owner bought this building two years ago for $14.5 million.