Skip to Main Content
Loading
Loading
Government
Departments
Residents
Visit Nassau
Business & Investor Relations
e-Services
Nassau A-Z
Home
Departments
Assessment
Tax Map & Apportionment
Tax Map & Apportionment
Tax Map Verification
Request a Tax Map Verification Letter
Apportionment Application
Create an account for groupings, apportionment and splits
Log into your existing account for groupings, apportionment, and splits
FYI
Please make sure that the property that you are filing for has all taxes and/or liens paid prior to filing.
Please make sure if you are filing for an apportionment or split that you already have Town (Village if applicable) and Planning Commission approvals.
Assessment Home
Fines & Taxes
What the Department of Assessment Does
How Is My Property Tax Determined?
Exemption Brochures
Exemption Forms
Tax Map & Apportionment
Frequently Asked Questions
Freedom of Information Law & Fees
Glossary of Assessment Terms
Important Dates
Online ASIE Forms
Property Search
Contact
Rules and Regulations (PDF)
Assessment Rolls
Assessment Home
2024/2025 Tentative Assessment Rolls
2023/2024 Final Assessment Rolls
2023/2024 Tentative Assessment Rolls
2022/2023 Final Assessment Rolls
2022/2023 Tentative Assessment Rolls
2021/2022 Final Assessment Rolls
FOIL Requests
Class 3 Notice of Tentative Assessed Values
Reassessment Methodologies
News Releases
Arrow Left
Arrow Right
[]
Slideshow Left Arrow
Slideshow Right Arrow