Walter F. Matystik 314 Marietta Ave Hawthorne, New York, 10532 Phone: 914-548-4999 Company Name: Walter F Matystik Lawyer Category: Environmental Law Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Hawthorne 314 Marietta Ave Hawthorne, New York 10532 Claim/Edit Listing