Nassau County Property Tax Filing Guide
County:Nassau
Filing Fee:$0
Status:Online Filing Available
Next Deadline:
Filing Deadline Mar 2, 2026
3 Steps to File Your Protest
Follow this proven process to successfully challenge your Nassau County property assessment
1
Gather Your Evidence
Collect comprehensive documentation that proves your property is overassessed compared to similar properties in your area.
2
File Your Petition Online
Submit your Application for Correction of Assessment petition through the Nassau County portal to officially start your appeal process.
3
Attend Your Hearing
Present your case professionally to the Assessment Review Commission (ARC) at your scheduled hearing date and time (hearings begin in your county in January).
Complete Filing Guide
Follow these detailed steps to successfully file your property tax protest with Nassau County. Each step includes specific requirements and deadlines you must meet.
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