Town Square







A Message from the Supervisor

“Welcome to Islip, the 3rd largest town in New York State, but with an endearing small town feel. We are so proud of our town…our beaches, golf courses, marinas, parks, housing opportunities for all, businesses, industrial parks, healthcare and educational institutions including our own Islip MacArthur Airport that provides many job opportunities. I sincerely hope you find this website helpful.” Angie


Planning Document Search

Economic Development Contact


John Walser

40 Nassau Ave

Islip, NY 11751


(631) 224-5532

The Town of Islip Office of Economic Development assists companies in identifying sites for relocation or expansion, in fast tracking all necessary permits, and in accessing the many Federal, State and local economic programs available to help grow your business. 

View Subdivision and Land Development Regulations

View Town of Islip Zoning Map


Zoning is a tool that municipalities use to regulate the use and development of properties. This link will take you to the Town of Islip Zoning Map, where you can see the underlying zoning of a property and the regulations associated with that zone. All information presented on this site is subject to verification by the departments or agencies responsible for producing, entering, and updating that data for the Town of Islip.

View How to Navigate the Zoning Viewer

   Visit the Economic Development web site.