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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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pdf BP-1 (Exemption for workers’ compensation and disability benefits insurance coverage) Popular

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Homeowner's_Affidavit_(BP-1).pdf

BP-1 (Exemption for workers’ compensation and disability benefits insurance coverage)
Affidavit of Exemption to Show Specific Proof of Workers’ Compensation Insurance Coverage for a 1, 2, 3 or 4 Family, Owner-Occupied Residence.

pdf Building Permit - Commercial Energy Code Requirements 2020 Popular

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Building Permit - Commercial Energy Code Requirements 2020.pdf

pdf Building Permit - Commercial Solar Panel Requirements 2020 Popular

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Building Permit - Commercial Solar Panel Requirements 2020 2020-05-20.pdf

pdf Building Permit - High Pile Rack Questionnaire 2020 Popular

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Building Permit - High Pile Rack Questionnaire 2020 -- 2020-05-26 (1).pdf

pdf Building Permit Accessory Building Affidavit Popular

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Building Permit Accessory Building Affidavit.pdf

pdf Building Permit Application Popular

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Building-Permit-Application_2023-07-07.pdf

Building Permit Application

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.

pdf Building Permit Application - Demolition Popular

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Demolition Permit Application and Requirements 2023-12-27.pdf

Building Permit Application - Demolition

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 Building Permit Application - Truss Sign Application and Requirements RESIDENTIAL Popular

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Building Permit Application - Truss Sign Application and Requirements RESIDENTIAL 2021-04-21.pdf

Building Permit Application - Truss Sign Application and Requirements RESIDENTIAL

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

pdf Building Permit COMMERCIAL & RESIDENTIAL Application & Requirements – NYS Unified Solar Permit Application Popular

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Building Permit COMMERCIAL & RESIDENTIAL Application & Requirements - NYS Unified Solar Permit 2024-06-07.pdf

Building Permit COMMERCIAL & RESIDENTIAL Application & Requirements – NYS Unified Solar Permit Application

NY State Unified Solar Permit Application for systems with a rated DC capacity of 25 kW or less.

pdf Building Permit Requirements - Awnings Popular

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Building Permit Requirements - Awnings 2021-03-10.pdf

pdf Building Permit Requirements - COMMERCIAL Additions, Change of Use/Occupancy, Interior & Exterior Alterations, Repairs to Existing Commercial and Multiple Dwelling Buildings Popular

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Building Permit Requirements - COMMERCIAL Additions, Change of Use Occupancy, Interior & Exterior Alterations, Repairs to Existing Commercial and Multiple Dwelling Buildings 2023-12-12.pdf

pdf Building Permit Requirements - Commercial Change of Tenant Popular

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Building_Permit_Requirements_Commercial_Change_of_Tenant_2022-08-16.pdf

pdf Building Permit Requirements - Commercial Factory Manufactured Fireplaces / Fireplace Stoves Popular

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Building Permit Requirements - Commercial Factory Manufactured Fireplaces Fireplace Stoves 2021-04-26.pdf

pdf Building Permit Requirements - Commercial Plan Intake Checklist Existing Building Popular

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Building Permit Requirements - Commercial Plan Intake Checklist Existing Building 2022-10-13_Fillable.pdf

Building Permit Requirements - Commercial Plan Intake Checklist Existing Building

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.

pdf Building Permit Requirements - Commercial Plan Intake Checklist New Building Popular

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Building Permit Requirements - Commercial Plan Intake Checklist New Building 2022-10-06_Fillable.pdf

Building Permit Requirements - Commercial Plan Intake Checklist New Building
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.

pdf Building Permit Requirements - COMMERCIAL Shell-Vacant Building Popular

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Building Permit Requirements - COMMERCIAL Shell-Vacant Building 2021-08-24.pdf

Building Permit Requirements - COMMERCIAL Shell-Vacant Building

A building may be partially constructed without all the interior elements necessary to complete the building; this document provides guidance on applying the NYS Uniform Code for these situations. A shell, speculative or white box building cannot be occupied or issued a CO upon completion. A separate building permit application for Interior Arrangement must be sought in order to receive a CO.

pdf Building Permit Requirements - Pop-Up Store Popular

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Building Permit Requirements - Pop-Up Store 2021-03-25.pdf

pdf Building Permit Requirements - Residential Additions-Interior & Exterior Alterations-Accessory Structures and Decks Popular

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Building Permit Requirements - RESIDENTIAL Additions-Interior & Exterior Alterations-Accessory Structures and Decks 2023-10-26.pdf

pdf Building Permit Requirements - Residential Factory Manufactured Fireplaces, Fireplace Stoves and Related Chimneys (Inserts) Popular

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Building Permit Requirements - Residential Factory Manufactured Fireplaces, Fireplace Stoves and Related Chimneys (Inserts) 2020-06-12.pdf

pdf Building Permit Requirements - Residential New Dwellings Popular

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Building Permit Requirements - Residential New Dwellings 2022-01-31.pdf