Welcome to Nassau County! The western half of
Long Island in southern New York State.
Innovative industry High-Tech infrastructure Transit-oriented-development Placemaking Mixed-use development Global brand headquarters Vibrant downtowns Corporate and industry parks Beautiful beaches World-class golfing and fishing Nationally ranked k-12 schools Nassau County boasts all of that, and so much more. In conjunction with our many partners, the NCIDA is committed to fostering an environment where businesses can thrive and expand — and where our fellow residents are proud to live, employees come to work and everyone loves to play.
Nassau County delivers the best of all things—walkable downtowns, suburban charm, the nearby buzz of New York City, and one-step access to the world. Come to the place top-tier talent and innovative businesses call home.
Explore Nassau County
An interactive map of Nassau County to help you navigate our neighborhoods, roads and highways, parks, schools, and more.
Find information on vaccinations, testing and programs to mitigate the effects of COVID-19 on our local economy.
Learn about our diverse economy and workforce, and why Nassau County is the premier location for several major industry clusters.
Doing business here
Nassau County offers incomparable opportunities for businesses of all sizes and industries to thrive.
Nassau County offers residents the best of all things for living, working and playing.