About Us

Founded by John Irwin in 1986, today, Irwin Contracting Inc. is a family operated general contracting business serving the construction needs of the New York metropolitan area. The company has maintained the special qualities that made it a success initially; talented employees, dedication to excellence, and attention to detail.

With a high-profile clientele base on Long Island and extending throughout the New York City area, Irwin Contracting Inc. has earned the reputation of being a resource for the design-build and construction services for today’s high-performance working and living environments.

Each project receives the dedicated attention and the participation of our entire team from inception to completion. Our talented craftsmen work neatly and respectfully. We will guide you through every phase of construction, and address any and all concerns to ensure the success of your project.


Our specialties range from commercial construction and construction management to home building and home remodeling. We are a Long Island general contractor and  construction company that has designed and developed buildings and homes in Nassau and Suffolk County Long Island to NYC and beyond. From the largest commercial construction projects to kitchen remodeling, bathroom remodeling and decks, we take great pride in the work we do.

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Serving Jericho, Roslyn, Syosset and many more local areas across Long Island.