Ronald J. Brien 20 Old Mamaroneck Rd Suite 2L White Plains, New York, 10605 Phone: 914-629-0813 Company Name: Law Office Of Ronald J. Brien Llc Lawyer Category: Landlord & Tenant Law Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations White Plains 20 Old Mamaroneck Rd Suite 2L White Plains, New York 10605 Claim/Edit Listing