Building Division

Permit applications must be filed electronically. Electronic filing not only helps streamline the review process, it also has economic and environmental benefits by saving on paper and gas.

Please follow the directions detailed in the Electronic Submittal Process flyer located on our webpage under Permit Applications.

Back to Top

Applications and paperwork can be placed in the Drop-Off Pail located by the entrance to the Building Division. Please make sure your contact information is included in your package.

If you are picking up a Permit or CO, the Permits or Records Department will notify you when it will be available for pickup in the Pickup Bin. If you owe any paperwork or fees, please visit the appropriate department to complete your transaction.

The Drop-Off and Pickup Bins will be accessible during normal business hours.

Back to Top

FOIL requests should be submitted online; follow the directions at islipny.gov/foil. If you do not have access to a computer, you can pick up a form at the Records Office, and drop off the completed form in the Drop-off Bin.

FOIL requests will be processed in the order in which they were received and will not be processed at the counter.

Inspections can be scheduled by calling the Records Office at 631-224-5470, or via email at This email address is being protected from spambots. You need JavaScript enabled to view it.. The inspectors cannot schedule inspections.

Inspectors do not hold office hours; if you need to speak to an inspector, you can reach them at:

• Building Inspectors – 631-595-3764
• Plumbing Inspectors – 631-595-3756

Back to Top

The Permits Department manages the permitting process from intake to permit issuance.

If you need to reach the Permits Department, please send a detailed email to This email address is being protected from spambots. You need JavaScript enabled to view it., or call 631-224-5464. Due to high call volumes, we suggest contacting us via email.

Back to Top

Back to Top

The Records Section manages FOIL requests (for Building Division documents only), scheduling of inspections, collection of documentation and certifications, and final close-out of the permit by issuance of a Certificate of Occupancy or Compliance.

If you need to reach the Records Department, please send a detailed email to This email address is being protected from spambots. You need JavaScript enabled to view it., or call 631-224-5470. Due to high call volumes, we suggest contacting us via email.

Back to Top

Meetings are by appointment only; please call 631-224-5467 to set up a meeting. Whenever possible, meetings will be held via video or phone conference. A detailed agenda must be submitted to the Plans Examiner prior to the scheduling of a meeting.

Back to Top

The Subdivision and Land Development Regulations contains helpful information regarding the Subdivision, Site Plan and Land Clearing process including design submission and improvement standards. This 2019 Amendment includes updates to the appendices. If you have any questions, please give our Engineering Division a call at 631-224-5360.

Back to Top

The Town of Islip local laws, ordinances and resolutions are collectively known as the “Code of the Town of Islip” and can be researched at the link below. Where the Code of the Town of Islip refers to development please click on the Zoning Code link for specifics pertaining to development.

Back to Top

Back to Top