Building Division - Permits Section

Susan Ferguson This email address is being protected from spambots. You need JavaScript enabled to view it.
Building Division
One Manitton Court - First Floor
Islip, New York 11751
(631) 224-5466
(631) 224-5465

OFFICE HOURS: Front Counter
Monday - Friday 
8:00am - 4:00pm

Extended hours: Wednesday evenings until 7:00 p.m.    


The Building Division processes building permit, plumbing permit, Change of Use, Certificate of Compliance, and Certificate of Occupancy applications. The office is located at 1 Manitton Court, Islip, NY 11751 - directly behind Town Hall.


Please choose from any of the following links below
to download the form or application you need.

ResidentialRequired Forms & Applications
Return completed forms to the Building Department

Accessory Structures

Additions, Detached Accessory Structure, Deck, Garage
Conversions, Interior Alterations or Retaining Walls

Alterations and Accessory Structures
Hand Drawn Plans

Addition or Alteration

Main Building Addition, Accessory Building Addition,
Change of Use/Occupancy, Coal Stove, Decks, Demo,
Interior Alteration, Finished Cellar, Fire Damage Repair,
Fireplace (Free/Insert), Hot Tub, Solar Panels or Pool

Alterations and Accessory Structures
Hand Drawn Plans

Building Permit

Compliance Permit Compliance Permit - Residential
Deck Deed Affidavit
Demolition Building Permit
Electrical Certificates
Equine Permit
Field Change
Field Change Requirements

Finished Cellar - Residential

Finished Cellar Residential Requirements

Fireplaces - Inserts and Freestanding

Factory Manufactured Requirements

Plumbing/HVAC Permit

Garage Conversion

Alterations and Accessory Structures
Hand Drawn Plans
Homeowner's Affidavit Homeowner's Affidavit (BP-1)
Home Occupation Home Occupation Requirements
Lawn Sprinklers

Lawn Sprinklers Requirements

Plumbing/HVAC Permit

Manufactured/Modular Home

Manufactured/Modular Home Requirements

Building Permit

Pods Pod Requirements

Pools and Hot tubs

In-Ground, Above-Ground and Alarms

Pool Safely - Guidance For Safety

 Pool - Above Ground Application

 Pool - In Ground Application 

Pool Alarm Requirements

Prove It to Move It Program Prove It to Move It Program
Retaining Wall Retaining Wall Requirements
Signature Affidavit Signature Affidavit
Temporary Trailer Temporary Trailer Permit Application


back to top


Commercial Forms & Applications 
Return completed forms to the Building Department
2010 NYS Building Code Evaluation Summary  
Addition or Accessory
Building Permit Application
Change of Use Requirements - Commercial  
Compliance Permit Requirements - Commercial
Compliance Permit Application
Elevator Requirements
Elevator Permit Application
High Rack Storage Questionnaire  
Interior Alteration Requirements  
New Commercial Building Permit  
Solar Panel Permit Requirements - Commercial  

back to top