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

Engineering Contact


Ron Meyer

Town Hall
Engineering Division

655 Main Street
Islip, NY 11751


(631) 224-5365

Phone Hours

M-F 8:00am–4:00pm

The Division of Engineering and Contracts administers the processing of site plan applications, assuring that site plans conform to our Town Zoning Regulations and Subdivision and Land Development Regulations as well as State and County Regulations. In addition, this Division manages contracts for Grant and Capital Improvement Projects, demolition and board-up/clean-up resolutions, and other land and waterfront construction projects.

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

View All Engineering Division Documents A–Z

Planning & Development Department Divisions
Planning Division: (631) 224-5450
Building Division: Permits: (631) 224-5466 Building Division: Records: (631) 224-5470
Engineering Division: (631) 224-5360
Zoning Board of Appeals: (631) 224-5489
Economic Development: (631) 224-5512