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St. James General Contractor | St. James Home Renovations | Setauket Home Renovations | Smithtown Kitchen Remodeling

Cassis Construction

General Contractor

Dean Cassimatis 516-322-0497

Serving Suffolk County With All Your Contracting Needs


Call Today to Book Your Appointment!



By selecting a qualified and experienced contractor to plan, manage and complete your next project you can be sure you will see several returns on your investment: increased property values, a more enjoyable living or work space and greater energy efficiency. Let us take the headache out of major and minor improvement projects and get the job done right. Our professional service and industry expertise will make sure that your project is completed to your specifications by giving you one knowledgeable point of contact to manage your project’s overall plan and timeline, all subcontractors and your budget.


Hiring a general contractor is the first step in taking control of your home improvement project. Having an industry professional coordinate and manage all aspects of your project means fewer delays, tighter quality control and a more successful outcome. All of these contribute to a greater return on your investment.


Proudly serving: St. James , Setauket, Smithtown

St. James General Contractor Cassis Construction is a licensed residential general contractor specializing in Home and much more in St. James , NY. We do Home and all work related in the 11780 area and surrounding areas in St. James