KOS specializes in the single-family home market in Westchester County and Greenwich Connecticut, and prides itself on quality craftsmanship, customer satisfaction and an outstanding referral network that has been developed over the years.

The impeccable personal and professional reputation KOS Building Group has established within the community has been based on a two- decade run of construction success stories. KOS Building Group remains actively involved in the community, especially in the Real Estate market. Based on its extensive experience and unmatched knowledge of the marketplace, KOS is uniquely able to target customer needs, find the proper construction projects for development, and obtain real estate financing.