This well established family owned and operated company has been passed down from generation to generation for over 3 decades. This hard working family is dedicated to the most excellent customer satisfaction. In addition, we have a lifetime guarantee standing behind all of our hard work.

One of our family members personally handle all aspects of your home renovation. One of our dedicated employees will take you by the hand and walk you through all phases of the construction process, from plans and permits to paint.

With our outstanding reputation our family has had the opportunity to open Carstan Funding, which is a registered Mortgage Broker with New York State Banking Department. This separate branch of our company enables our customer to live in the homes they have always imagined for themselves and for their families.

Carstan Construction has been improving homes for over 3 decades, and we are proud to say that we now have over 25,000 satisfied customers on Long Island. Allow our family to make the dreams you have for you and your loved ones a reality!