QUICK ACCESS


Town Square

Permits & Applications Portal

Documents Center

Report a Concern

FAQ

Town Phone Directory

Loading...

Folder Assessor

Documents

Select Toggle Title
pdf 2021-2022 Tentative Assessment Roll ( pdf, 16.82 MB ) (522 downloads) Popular
pdf 2022-2023 Final Assessment Roll ( pdf, 19.01 MB ) (568 downloads) Popular
pdf 2022-2023 Tentative Assessment Roll ( pdf, 16.80 MB ) (834 downloads) Popular
pdf 2023-2024 Final Assessment Roll ( pdf, 16.82 MB ) (380 downloads) Popular
pdf 2023-2024 Tentative Assessment Roll ( pdf, 16.84 MB ) (528 downloads) Popular
pdf 2024-2025 Tentative Assessment Roll ( pdf, 19.10 MB ) (538 downloads) Popular
pdf 2025-2026 Tentative Assessment Roll ( pdf, 19.12 MB ) (2713 downloads) Popular
pdf 2026-2026 - Final Assessment Roll ( pdf, 20.83 MB ) (1637 downloads) Popular
pdf Assessment Estimate for Apportionment or Consolidation ( pdf, 49 KB ) (13 downloads) New
pdf Chapter 14. Code of Ethics and Financial Disclosure Law Article IV. Conflicts of Interest and Disclosure ( pdf, 125 KB ) (372 downloads) Popular
pdf Commercial Assessment Estimate Request Form ( pdf, 718 KB ) (611 downloads) Popular
pdf Consolidation Request Application ( pdf, 31 KB ) (15 downloads) New
pdf Disclosure Affidavit For Town of Islip Officers and Employees ( pdf, 192 KB ) (532 downloads) Popular
pdf Residential Assessment Estimate Request Form ( pdf, 99 KB ) (570 downloads) Popular
pdf RP-421-F: Residential Capital Improvement ( pdf, 54 KB ) (434 downloads) Popular
pdf RP-457: First Time Homebuyer - New Construction ( pdf, 53 KB ) (310 downloads) Popular
pdf RP-458-A Instructions ( pdf, 188 KB ) (1712 downloads) Popular
pdf RP-458-a-Dis: Alternative Veterans Exemption - Disability ( pdf, 86 KB ) (1550 downloads) Popular
pdf RP-458-A: Alternative Veterans Exemption ( pdf, 418 KB ) (272 downloads) Popular
pdf RP-458-B Instructions ( pdf, 194 KB ) (258 downloads) Popular