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


Folder Building Division - Permits Section


NYSBC 2020 requirements for any new building or new building addition over one story in height

pdf Building Permit – Elevator Permit Application and Requirements Popular

This is a fillable form. Handwritten applications will not be accepted

pdf Type I and Type II Kitchen Hood Submittal Checklist 2020 Popular

Required for any commercial kitchen hood application.

pdf RDP Instruction and Compliance Forms for New Commercial Buildings and Additions Popular

This packet provides guidance to Registered Design Professionals for preparing a NYS Code compliant submission, including a summary, Structural Design Affidavit, NYS Building Code Evaluation Summary (TOIBES), Attachment 1 and 2.

pdf Building Permit Application - Demolition Popular

This application is to be used for the demolition to a structure only. For interior demolitions (leaving the structure in tact), please use the Building Permit Application form as this would be considered an Interior Alteration to Vacant Space.

pdf Electrical Inspection Agency Qualification Requirements Popular

Tagged in contractor, Electrical

Requirements for companies interested in becoming qualified to perform electrical inspections in the Town of Islip

pdf Pool/Hot Tub/Spa Barriers and Alarms Popular

2020 Residential Code of New York State detailing code requirements including barriers (fencing) and alarms.

pdf Pool/Hot Tub/Spa Certificate of Occupancy Checklist Popular

Requirements needed to obtain a CO/CC on your pool.

pdf Generator Requirements – Residential Installations Popular

Residential Generators require a Plumbing Permit; no separate Building Permit is required.

pdf Workers Compensation and Disability Requirements Popular

INSURANCE REQUIREMENTS: Workers Compensation and Disability Requirements.  NOTE: See separate form for Plumbing/HVAC Insurance permit requirements.

pdf Fee Schedule for the Building Division - Commercial Popular

Tagged in building, fees, Permit, plumbing

Includes fees for Commercial Building Permits and Commercial Plumbing Permits

pdf Fee Schedule for the Building Division - Residential Popular

Tagged in building, fees, Permit, plumbing

Includes fees for Residential Building Permits and Residential Plumbing Permits

pdf Building Permit Application - Truss Sign Application and Requirements RESIDENTIAL Popular

This application must accompany any residential building permit application that employs truss construction, pre-engineered wood construction and/or timber construction.

pdf Pool, Hot Tub and Spa Safety Brochure Popular

Pool Safely - Guidance For Safety - The Pool and Spa Safety Act

pdf Electrical Inspection Agencies Qualified in the Town Of Islip Popular

Tagged in contractor, contractors, Electrical

Electrical Inspection Certificates (aka Electrical Certificates) must be obtained from any one of the qualified agencies on this list.(Electrical Contractors - In order to get on the list of qualified agencies, please refer to the Electrical Inspection Agency Qualification Requirements form.)