Kevin J. Hynes 993 Mamaroneck Ave Ste 103 Mamaroneck, New York, 10543 Phone: 917-715-4301 Company Name: Law Office Of Gregory Sullivan Lawyer Category: Real Estate Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Mamaroneck 993 Mamaroneck Ave Ste 103 Mamaroneck, New York 10543 Claim/Edit Listing