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Department of
Economic Development
and Planning

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The Suffolk County Department of Economic Development and Planning is privileged to open the doors of our county to you − a place that offers the best for business and the best for life. Rich in history, culture and recreational venues, blessed with outstanding resources for education and scientific research, and possessed of a dynamic economic environment and workforce, Suffolk is an ideal home for any family or business.

Our Mission

The Department of Economic Development and Planning’s mission is to foster a comprehensive understanding of how to grow, improve and conserve Suffolk County’s amazing resources within both the built and natural environments. Our goal is to implement initiatives and projects to realize a Suffolk County that is modern and sustainable, where ambition, quality of life and economic growth thrive.


We achieve this through a variety of initiatives:

  • Fostering transformative capital projects: Connect LI, iZone, Wyandanch, Ronkonkoma Hub/South, BRTs
  • Assisting business and industry prosper in areas like agriculture, cultural affairs and film, fishing, aquaculture, green energy, and employer attraction, relocation, clustering and growth
  • Facilitating redevelopment of underutilized parcels, zombie homes and brownfields
  • Preserving open space and farmland
  • Funding water quality and sustainability improvements
  • Funding planning and implementation of community improvement opportunities with investments in economic development, affordable housing, TOD, bike lanes and sidewalks, and downtown revitalization improvements
  • Serving as a catalyst to address the issues of youth retention, social and economic inequities, and COVID-19 impact

Suffolk truly is better for business and better for life. Contact our office to learn more about all the ways we can help make relocating or expanding a business here as easy and trouble-free as possible.

Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901