Question: nyc who owns my building?
Answer:  Navigate to city's NYCityMap website http://maps.nyc.gov/doitt/nycitymap/,  Type in the address or the 10-digit BBL. ... ,  Depending on the address, the site may ask for a borough to clarify. ... ,  Sometimes there is white space. ... ,  Look over Building & Property Information, including BBL, size, etc.