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Welcome to KSP Construction, LLC. KSP construction LLC is based in Connecticut and serves Connecticut and New York. We are specialized in all phases of carpentry and offer high quality construction, competitive pricing and guaranteed workmanship. Our reputation as a contractor says it loud and clear. People want to work with us. We attract some of the best talent the marketplace has to offer. Our quality and craftsmanship is best in class.


"Strong relationships have always been at the core of my success."
Kostya Polyansky - Owner of KSP Construction, LLC