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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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Documents

pdf RP-458-A Instructions Popular

Download (pdf, 188 KB)

RP-458-A Instructions.pdf

RP-458-A Instructions

pdf RP-458-a-Dis: Alternative Veterans Exemption - Disability Popular

Download (pdf, 86 KB)

RP-458-a-Dis.pdf

RP-458-a-Dis: Alternative Veterans Exemption - Disability

pdf RP-458-A: Alternative Veterans Exemption Popular

Download (pdf, 418 KB)

RP-458-A Application for Alternative Veterans.pdf

RP-458-A: Alternative Veterans Exemption

pdf RP-458-B Instructions Popular

Download (pdf, 194 KB)

RP-458-B Instructions.pdf

RP-458-B Instructions

pdf RP-458-b-Dis: Cold War Veteran's Exemption - Disability Popular

Download (pdf, 88 KB)

RP-458-b-Dis.pdf

RP-458-b-Dis: Cold War Veteran's Exemption - Disability

pdf RP-458-B: Cold War Veterans Exemption Popular

Download (pdf, 395 KB)

RP-458-B Application for Cold War Veterans.pdf

RP-458-B: Cold War Veterans Exemption

pdf RP-459-C Instructions Popular

Download (pdf, 192 KB)

RP-459-C Instructions.pdf

RP-459-C Instructions

pdf RP-459-C: Exemption for Disablities & Limited Income Popular

Download (pdf, 794 KB)

RP-459-C Application.pdf

RP-459-C: Exemption for Disablities & Limited Income

pdf RP-466-A: Volunteer Firefighters/Ambulance Workers Exemption Popular

Download (pdf, 294 KB)

RP-466-a Application for Fire Ambulance Application Revised with Page 2.pdf

RP-466-A: Volunteer Firefighters/Ambulance Workers Exemption

pdf RP-467 Instructions Popular

Download (pdf, 187 KB)

RP-467 Instructions 2023.pdf

RP-467 Instructions

pdf RP-467-Renewal Application Non filer Web Version Popular

Download (pdf, 748 KB)

RP-467 Renewal Application Non-filer Web Version.pdf

RP-467-Renewal Application Non filer Web Version

pdf RP-467: Application for Partial Tax Exemption for Real Property of Senior Citizens Popular

Download (pdf, 860 KB)

rp467_fill_in 1-24.pdf

RP-467: Application for Partial Tax Exemption for Real Property of Senior Citizens

pdf RP-485-B: Exemption Form Business, Commercial or Industrial Property Popular

Download (pdf, 43 KB)

rp485_Senior_Citizens_Exemption_with_instructions.pdf

RP-485-B: Exemption Form Business, Commercial or Industrial Property

pdf RP-524 Grievance Complaint Form Popular

Download (pdf, 172 KB)

RPTL-524.Grievance Complaint Form_2020_06_03_10_08_32_813.pdf

RP-524 Grievance Complaint Form

pdf School Tax Relief (STAR) Credit Information Popular

Download (pdf, 505 KB)

rp-5310-fs 24-25 ENGLISH.pdf

School Tax Relief (STAR) Credit Information

pdf School Tax Relief (STAR) Credit Information (SPANISH) Popular

Download (pdf, 659 KB)

rp-5310-fs-SPANISH.pdf

School Tax Relief (STAR) Credit Information (SPANISH)

pdf Worksheet - Assessor's Office Popular

Download (pdf, 46 KB)

Worksheet_2023_02_22_19_08_33_394.pdf

Worksheet - Assessor's Office