Type in your Nassau County address to see how your property taxes have changed compared to others, and what impact the tax grievance process has had.
An 18-month Newsday investigation dug deep into millions of Nassau property records to reveal stark differences in tax bills and an assessment system weighted against the middle class and poor. Read the full story.
The map contains parcels that have paid taxes every year since the 2010-11 tax year for which geographic location information was available. The tax totals for the 2016-17 tax year exclude any exemption checks mailed to new STAR property tax exemption recipients.
Production: Tara Conry | User Experience: Matthew Cassella | Development: Will Welch | Data: Matt Clark
Refund totals include those the county has paid and those it estimates it will pay in the future for challenges filed since the 2011-12 tax year.
Property Value Details
A property’s assessment is a fraction (.25%) of what the county estimates it is worth — its “full market value” — but since officials have not updated their “frozen” estimates since 2012-13, most properties have become assessed below what they are worth as real estate prices have risen. Appealed properties, though, are assessed even lower.
Exemption change indicates whether exemptions (like STAR for school taxes) changed, affecting the assessment by 10 percent or more than if they had not changed.