We are located in Thornwood, New York, we have been incorporated since 1988, are fully licensed, insured and bonded and have been providing outstanding services throughout New York, Connecticut, and New Jersey for more than 2 decades. Our clients include some of Westchester’s largest Property Management companies in the industry, as well as multiple residential owners. Our unique and lengthy partnership with vendors and subcontractors enables us to provide superior services and competitive prices.

Our new computer system facilitates billing on AIA documents, in addition to user friendly invoicing, for easy interpretation. Our ‘hands on’ approach and friendly, reliable staff maintains our integrity and lays the foundation for our quality services.

The President

Born and raised in Westchester County, John Joseph Hahn, is the owner and founder of Hahn Contracting. A graduate of Business Administration, John has worked in the industry for more than 25 years, specializing in the newest techniques of renovation, reconstruction, and new development. John is customer oriented and remains in contact with his clients, architects, and subcontractors during all projects and always closes the project with a personal walk through to ensure customer satisfaction.