Not to be used for the following permit types: Certificate of Compliance, Demolition, Elevator, Equine, PODS/Portable Storage, Pools, Plumbing/HVAC, Signs, Site Work Only (Engineering application), Solar (25KW or less), Temporary Trailers, Truss Signs.

This checklist is for commercial permit applications that must be reviewed under the BCNYS (new buildings, additions, applications to complete a shell building [interior arrangement], etc.) The checklist must be completed by the Registered Design Professional. Applications will not be accepted for intake until the minimum requirements are provided, as indicated on this checklist and the applicable building permits requirements form.

This checklist is for commercial permit applications that must be reviewed under the EBCNYS (i.e. alterations, change of occupancy, etc.) The checklist must be completed by the Registered Design Professional. Applications will not be accepted for intake until the minimum requirements are provided, as indicated on this checklist and the applicable building permits requirements form.

All Construction Documents submitted to the Town of Islip must contain the note as described on this document.

Step by step directions for filing applications electronically, including instructions on uploading documents

This is a fillable form.
The Registered Design Professional must complete this checklist and submit with the application to ensure the plans contain the minimum New York State and Town of Islip code requirements for review.

If you have questions regarding how a property can be developed or need a Zoning Denial in order to appear before the Zoning Board of Appeals (ZBA), please fill out this Zoning Inquiry Form (it can be filled out electronically) and email it to This email address is being protected from spambots. You need JavaScript enabled to view it.". You will receive a response from the Zoning Department either by phone or email, typically within 3 business days.

These guidelines can help you determine if your project requires a permit.