For escalator service, take the A train to the 145th Street station and the Northbound M3 to St. Nicholas Avenue and West 155th Street. 
Note: Taking the B/D train to the 155th Street station requires climbing 120 steps to reach 155th Street and St. Nicholas Avenue. 

898 St Nicholas Ave (at 155th Street) New York, NY 10032

(212) 335-0004

http://www.sugarhillmuseum.org/

by subway: C to 155th Street, 1 to the 157th Street