Built in 1907, 901 Lexington is a charming pre-war building between 67th and 68th Streets, designed by George Mort Pollard (also of Hotel des Artistes). This 11-story, pet-friendly building has 17 apartments, a full-time doorman, bike and laundry rooms, and private storage. Washer/dryers are allowed, financing up to 50%, and there’s a 3% flip tax.