Margaret Harrington Best Real Estate Agent 83 Katonah Avenue Katonah, New York, 10536 Phone: 914-232-3700 Website Company Name: Douglas Elliman Area of Expertise: Katonah Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Katonah 83 Katonah Avenue Katonah, New York 10536 Claim/Edit Listing