**IMPORTANT NOTICE ON REOPENING*
BUILDING DIVISION OPERATIONS
8:00am – 4:00pm, Monday – Friday
(check our department webpage for holiday hours)DROP-OFF AND PICKUP BINS
- Applications and paperwork can still be placed in our Drop-Off Pail. Please make sure your contact information is included in your package.
- If you are picking up a Permit or CO, it will be placed in the Pick-Up Bin. If you owe any paperwork or fees, you can visit the appropriate department to complete your transaction.
- The Drop-Off and Pickup Bins will be accessible during normal business hours.
FOIL’s
- FOIL requests should be submitted online; visit islipny.gov/foil and complete the form online.
- If you don’t have access to a computer, you can drop off your completed FOIL application in our Drop-off Bin. FOIL requests will be processed in the order in which they were received and will not be processed at the counter.
INSPECTORS
- Inspectors do not hold office hours. They can be reached at:
- Building Inspectors 631-595-3764
- Plumbing Inspectors 631-595-3756
INSPECTIONS
- Inspections can be scheduled by calling 631-224-5470, via email at This email address is being protected from spambots. You need JavaScript enabled to view it., or at the Records Department Counter.
PLANS EXAMINERS
- Meetings are by Appointment Only. Please call 631-224-5467. Whenever possible, meetings will be done via video or phone conference.
ZONING INQUIRIES
- If you have an inquiry for the Zoning Department, please complete a Zoning Inquiry Form, providing as much detail as possible. The form can be found on our website at islipny.gov/building-division-permits-list/922-zoning-inquiry-form/file, or call 631-224-5438.
- Meetings are by Appointment Only. To request a meeting with the Zoning Dept, please complete a Zoning Inquiry Form (see above). Once your inquiry has been reviewed and researched, a member of the Zoning Department will contact you.
The Permits Section manages the permit intake, plan review and approval and permit issuance.
The Records Section manages inspection scheduling, final recording and close-out of the permit by issuance of a Certificate of Occupancy or Compliance - certifying that the Town asserts to the State that the permitted structure adheres to the State Code.
View Town of Islip Zoning Map
View Town Code
View All Building Division Documents A–Z
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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.Popular
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Building Permit - Electronic Submittal ProcessPopular
Step by step directions for filing applications electronically, including instructions on uploading documents
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Building Permit ApplicationPopular
This is a fillable form.
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. -
Building Permit Application - DemolitionPopular
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.
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Building Permit Application - Truss Sign Application and Requirements RESIDENTIALPopular
This application must accompany any residential building permit application that employs truss construction, pre-engineered wood construction and/or timber construction.
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Building Permit Requirements - Commercial Factory Manufactured Fireplaces / Fireplace Stoves Popular
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Building Permit Requirements - Commercial Plan Intake Checklist Existing BuildingPopular
RDP to complete this checklist to ensure the plans contain the minimum NYS and TOI requirements prior to application submission. This completed checklist must accompany the permit application.
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Building Permit Requirements - Commercial Plan Intake Checklist New BuildingPopular
RDP to complete this checklist to ensure the plans contain the minimum NYS and TOI requirements prior to application submission. This completed checklist must accompany the permit application.
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Building Permit Requirements - Residential Plan Intake ChecklistPopular
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. -
Building Permit Requirements - Site Work Only PermitPopular
Please Note: Site Plan Approval is required before a Site Work Only Permit Application can be considered.
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Building Permit Requirements – Shell / Vacant BuildingPopular
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.
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Building Permit – Elevator Permit Application and RequirementsPopular
This is a fillable form. Handwritten applications will not be accepted
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Building Permit – Solar Permit Application and Requirements (NYS Unified Solar Permit)Popular
NY State Unified Solar Permit Application for systems with a rated DC capacity of 25 kW or less.
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Building Plan Review NotePopular
All Construction Documents submitted to the Town of Islip must contain the note as described on this document.
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Compliance Permit - Application and Requirements RESIDENTIALPopular
Certificate of Compliance applications should be used in lieu of a building permit application if the structure was built more than 4 years ago.
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Compliance Permit - CommercialPopular
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Construction Activity AgreementPopular
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Electrical Inspection Agencies Qualified in the Town Of IslipPopular
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.)
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Electrical Inspection Agency Qualification RequirementsPopular
Requirements for companies interested in becoming qualified to perform electrical inspections in the Town of Islip
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Equine PermitPopular
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Fee Schedule for the Building Division - CommercialPopular
Includes fees for Commercial Building Permits and Commercial Plumbing Permits -
Fee Schedule for the Building Division - ResidentialPopular
Includes fees for Residential Building Permits and Residential Plumbing Permits -
Field Change RequirementsPopular
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Home Occupation RequirementsPopular
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Inspection Process – Building & PlumbingPopular
General guideline for applicants and contractors in understanding the inspection process for issued permits
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Pool, Hot Tub and Spa Safety BrochurePopular
Pool Safely - Guidance For Safety - The Pool and Spa Safety Act
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Pool/Hot Tub/Spa Barriers and AlarmsPopular
2020 Residential Code of New York State detailing code requirements including barriers (fencing) and alarms.
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Pool/Hot Tub/Spa Certificate of Occupancy ChecklistPopular
Requirements needed to obtain a CO/CC on your pool.
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Prove It to Move It ProgramPopular
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RDP Instruction and Compliance Forms for New Commercial Buildings and AdditionsPopular
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.
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Sign Permit ApplicationPopular
FORM CAN BE FILLED IN ELECTRONICALLY.
FOR TRUSS SIGNS, PLEASE USE BUILDING PERMIT APPLICATION.
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Signature AffidavitPopular
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STRUCTURAL REQUIREMENTS FOR WOOD FRAMED AND COLD-FORMED STEEL FRAMED BUILDING CONSTRUCTION DOCUMENTS 2020Popular
NYSBC 2020 requirements for any new building or new building addition over one story in height
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Temporary Trailer and Portable Storage Unit Permit ApplicationPopular
Application for temporary trailer and temporary storage: Commercial Uses – construction trailer, office trailer, temporary storage trailer, and Residential Uses - temporary residential trailer or portable storage units. -
Type I and Type II Kitchen Hood Submittal Checklist 2020Popular
Required for any commercial kitchen hood application.
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When is a Permit Required?Popular
These guidelines can help you determine if your project requires a permit.
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Wind Turbine Permit Requirements Popular
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Workers Compensation and Disability RequirementsPopular
INSURANCE REQUIREMENTS: Workers Compensation and Disability Requirements. NOTE: See separate form for Plumbing/HVAC Insurance permit requirements.
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Zoning Inquiry FormPopular
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 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.
| Plumbers Examining Board | |
|---|---|
| James Lange, Chairman | |
| Michael J. Barone | Sean Conlon |
| Anthony M DiFede | Peter Russo |
| James Alcus | Dale A. Gross |
| Planning & Development Department Divisions | |
|---|---|
| Planning Division: (631) 224-5450 | |
| Building Division: Permits: (631) 224-5466 | Building Division: Records: (631) 224-5470 |
| Engineering Division: (631) 224-5360 | |
| Zoning Board of Appeals: (631) 224-5489 | |
| Economic Development: (631) 224-5512 | |