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I started D&D construction in 1990, and in 2002 we had a name change to

DeMasco General Contracting, Inc. We still have the same License# with the Nassau County Office of Consumer Affairs since 1990 and are proud of our clean record with them.


DeMasco General Contracting, Inc is a full service general contracting firm. From the ground to the roof and all stops in between, we can make all your dreams a reality. And as always, Customer Satisfaction is #1. Specializing in Dormers, Extensions, Kitchens, and Baths, let us show you what QUALITY means.


We are fully licensed / insured and have Workers Compensation Insurance in Nassau & Suffolk. We are also a Lead - Safe EPA Certified firm and have fulfilled the requirements of the Toxic Substances Control Act (TSCA) section 402 and have received certification to conduct lead- based paint renovation, repair, and painting activities pursuant to 40 CFR part 745.89.


License & Insurance numbers available upon request.