Kaufman Organization Share: Real Estate Kaufman Organization Visit Website Request Info 450 Seventh Avenue New York, NY 10123 (212) 563-6252 (212) 967-7056 (fax) Rep Info Map Whom to Contact Edward Hart 450 Seventh Avenue New York, NY 10123 Phone: (212) 563-6252 Fax: (212) 967-7056 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.