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Welcome to Nassau County! The western half of
Long Island in southern New York State.
Nassau County delivers the best of all things—vibrant businesses, 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.
- Innovative industry
- High-Tech infrastructure
- Transit-oriented-development
- Mixed-use development
- Global brand headquarters
- Convenient Inter-County Bus System
- Best Hospitals
- Vibrant downtowns
- Corporate and industry parks
- Beautiful beaches
- World-class golfing and fishing
- Nationally ranked k-12 schools
- Excellent Universities and Community College
- Convenient Interconnecting Roadways
- Variety of Residential Options
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 enjoy to work and children love to play.
Explore Nassau County
An interactive map of Nassau County to help you navigate our neighborhoods, roads and highways, parks, schools, and more.
COVID-19 resources
Find information on vaccinations, testing and programs to mitigate the effects of COVID-19 on our local economy.
Key industries
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.
Living here
Nassau County offers residents the best of all things for living, working and playing.
Work with us
The NCIDA is always looking for qualified service providers and from time to time, may issue request for qualifications for various services.
Upcoming Events
Featured Event
Tuesday, October 15, 1:30 PM EDT
NCIDA Public Hearing-Premiero Cherry LLC
15 Oct
Tuesday, October 15, 6:45 PM EST
NCIDA Board Meeting including Governance, Audit and Finance Committee Meetings
21 Nov
Thursday, November 21, 6:45 PM EST
NCIDA Board Meeting
19 Dec
Thursday, December 19, 6:45 PM EST
NCIDA Board Meeting
Latest News
How the Nassau County Industrial Development Agency succeeds in bringing business, housing to the county
October 15, 2024
How the Nassau County Industrial Development Agency succeeds in bringing business, housing to the countyNassau IDA awards tax breaks to revive Woodbury office
October 4, 2024
Nassau IDA awards tax breaks to revive Woodbury office