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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

Receiver of Taxes

Overview of Your Taxes

The Office of the Receiver of Taxes is not a policy making office, it is an administrative office. Taxes are collected in accordance with New York State Real Property Tax laws and the Suffolk County Tax Act. CLICK HERE for a description of how your taxes are divided up.

Payment of Taxes

3rd Party Payers

Property Search

Look up information regarding a property in the Town of Islip. CLICK HERE.

Copy of Tax Bill

Coming soon. For instructions on how to access a copy of your tax bill CLICK HERE.

Exemptions
(STAR, Vets, Fire, EMS, etc.)

The Assessor's Office is responsible for the review and approval of all real property tax exemptions. LEARN MORE.

Late/Delinquent Taxes

View collection schedule, penalty schedule, and more. CLICK HERE.

Rate & Code/Tax Rates

View Rate and Code Sheets from 2012 – Current. CLICK HERE.

FAQ

When does collection begin?

When is my payment due?

What if I pay late?

How do I change my address?

On my tax bill, the word “RESTORATION” appears. What does that mean?

To find answers to these questions and more CLICK HERE.

FORMS

Change of Address Form

Designate a 3rd Party Form

Snowbird Form

To learn more about Receiver of Taxes forms CLICK HERE.

LINKS

Property Tax Payment Portal.

Assessor's Office

Suffolk County Comptroller's Office

To view more tax related links CLICK HERE.

The Assessor's Office is responsible for the review and approval of all real property tax exemptions.

All applications and/or renewals for real property tax exemptions must be filed with the Assessor's Office, no later than March 1st of each year. Please direct ALL exemption questions to this department.