Garrett M Johnson 6 Gramatan Ave Fl 5th Mount Vernon, New York, 10550 Phone: 914-663-9122 Company Name: Garrett M Johnson Attorney At Law Lawyer Category: Entertainment & Sports Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Mount Vernon 6 Gramatan Ave Fl 5th Mount Vernon, New York 10550 Claim/Edit Listing