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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

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Folder Plumbing Licensing
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pdf Building Permit – Elevator Permit Application and Requirements Popular
pdf Building Permit - Commercial Solar Panel Requirements 2020 Popular
pdf Type I and Type II Kitchen Hood Submittal Checklist 2020 Popular
pdf RDP Instruction and Compliance Forms for New Commercial Buildings and Additions Popular
pdf Building Permit Application - Demolition Popular
pdf Compliance Permit Application and Requirements – COMMERCIAL Popular
pdf Electrical Inspection Agency Qualification Requirements Popular
pdf Pool/Hot Tub/Spa Barriers and Alarms Popular
pdf Pool, Hot Tub, Spa Permit Application and Requirements Popular
pdf Generator Permit Application and Requirements – RESIDENTIAL Popular
pdf Workers Compensation and Disability Requirements Popular
pdf Fee Schedule for the Building Division - Commercial Popular
pdf Fee Schedule for the Building Division - Residential Popular
pdf Geographic Table Design Requirements for Residential and Commercial 2020 Popular
pdf Building Permit Application - Truss Sign Application and Requirements RESIDENTIAL Popular
pdf Building Permit Requirements – New Commercial Buildings Popular
pdf Building Permit - Commercial Energy Code Requirements 2020 Popular
pdf Electrical Inspection Agencies Qualified in the Town Of Islip Popular
pdf Prove It to Move It Program Popular
pdf Temporary Trailer and Portable Storage Unit Permit Application Popular
pdf Building Permit Requirements - COMMERCIAL Shell-Vacant Building Popular
pdf Building Permit Requirements – Commercial Foundation Only Popular
pdf Plumbing/HVAC Permit Application & Requirements Popular
pdf Sign Permit Application Popular
pdf Signature Affidavit Popular
pdf Building Permit Requirements – Manufactured Homes Popular
pdf BP-1 (Exemption for workers’ compensation and disability benefits insurance coverage) Popular
pdf Building Permit Requirements - Residential Factory Manufactured Fireplaces, Fireplace Stoves and Related Chimneys (Inserts) Popular
pdf Equine Permit Popular
pdf Compliance Permit Application and Requirements – RESIDENTIAL Popular