Islip, NY · Suffolk County
Building Permit Application
Property owners or their authorized representatives use this application to request a building permit from the Town of Islip for eligible residential or commercial work.
What this form is
The application requests owner, property, and project details and lets applicants identify the permit type for residential or commercial work. Islip requires applicants to review the requirements for their specific permit type and submit the application with those requirements; the form lists some permit types that need separate tailored applications. The signer affirms the information is true and complete under the penalties of perjury.
Who needs it
Property owners or authorized representatives seeking a listed residential or commercial building permit in Islip should complete this application.
How to submit it
Submit it to the city department named on the form; check the city website for current contact details.
About notarization
This application is signed without a notary; the signer makes an affirmation under the penalties of perjury, but the document does not require notarization.
How to submit this form
- 1
Download The Application
Download the Building Permit Application PDF for eligible residential or commercial permit types.
- 2
Complete The Application
Fill in the owner, property, project, and permit type information, along with applicable tenant or contractor details.
- 3
Gather Permit Requirements
Review the requirements for the selected permit type and gather any applicable supporting documents listed in the application.
- 4
Submit To The City
Follow the submission process for your permit type and submit the application to the department named on the form.
Frequently asked questions
- Do I need a notary for the Building Permit Application?
- No. The application is signed without a notary. The signer affirms the information under the penalties of perjury, but the document does not require notarization.
- How do I submit the Building Permit Application?
- Review the requirements and submission process for your permit type, then submit the application to the department named on the form. Check the city website for current contact details.
- What information does the application ask for?
- It asks for owner and property details, a brief description of the permit request, and the selected permit type. It also provides spaces for tenant, contractor, design professional, and expeditor details when applicable.
- Are separate documents required with the application?
- Requirements depend on the permit type. The form says recently purchased properties may require a deed or closing papers, and entities may need documentation confirming the signer's authority.
Need something notarized?
This Building Permit Application doesn’t need a notary — but if you have another Islip form that does, a commissioned online notary can help.
