Matthew Valvano Best Real Estate Agent 140 Chatsworth Avenue Town of Mamaroneck, New York, 10538 Phone: 914-462-7322 Website Company Name: Berkshire Hathaway HomeServices Westchester Properties Area of Expertise: Larchmont Profile Let this business know you found them on Westchester Magazine's Online Directories. Locations Town of Mamaroneck 140 Chatsworth Avenue Town of Mamaroneck, New York 10538 Claim/Edit Listing