Nassau & Suffolk Counties, New York Nassau grievance deadline March 31, 2027Nassau grievance deadline Mar 31
Long Island Property Tax
County

Property taxes in Nassau County, New York

Nassau County has 424,058 parcels on the latest New York State assessment roll, including 386,141 single-family homes. The median residential bill across the county’s 53 school districts is $11,129 a year.

Median bill
$11,129/yr
across 53 school districts
Median home value
$511k
Most homes $372k to $940k
Single-family homes
386,141
of 424,058 parcels
School districts
53
with published median bills
School districts

The five cheapest and five most expensive districts in Nassau

Median residential bills from the latest New York State assessment roll. The school district drives 60–75% of a bill, so it matters more than the town you live in.

Full Nassau ranking

Most expensive

  1. 1 East Williston $20,657
  2. 2 Manhasset $18,282
  3. 3 Jericho $16,828
  4. 4 Syosset $16,283
  5. 5 Roslyn $16,082

Cheapest

  1. 1 Hempstead $5,192
  2. 2 Uniondale $5,271
  3. 3 Freeport $5,688
  4. 4 Roosevelt $6,867
  5. 5 Westbury $7,329

Nassau County median, $11,129

Towns

Towns and cities in Nassau County

Nassau County is divided into 5 towns and cities. Each keeps its own assessment roll and sets its own town levy.

ZIP codes

The biggest ZIP codes in Nassau County

The eight Nassau ZIP codes with the most parcels.

Questions

Frequently asked questions

What is the average property tax bill in Nassau County?

The median residential bill across Nassau County’s 53 school districts is $11,129 a year. Individual bills vary fivefold or more by school district, town, village and special-district levies.

How are property taxes calculated in Nassau County?

Property tax in Nassau County stacks three layers: the county levy, the town levy and the school district levy (typically 60–75% of the bill). Village and special-district levies add on where they apply. Rates are published per $1,000 of full market value and lag the assessment year by 12 to 18 months.

Which town in Nassau County has the lowest property taxes?

Bills vary more by school district than by town. To compare, use the Long Island tax map or the cheapest school districts on Long Island.

How do I lower my property tax bill in Nassau County?

Two main paths: exemptions (STAR, Enhanced STAR, senior, veterans, volunteer firefighter) and a tax grievance filed with the assessment review board (Suffolk: third Tuesday in May; Nassau: by the March deadline).

Guides

More on Nassau County

Property records lookupAssessed value, deeds, mortgages and liens for any Nassau parcel. Department of AssessmentHow Nassau assessments work, the math and the deadlines. Nassau grievance guideHow to file with the Assessment Review Commission. Reading a Nassau tax billA line-by-line walkthrough. Nassau payment scheduleWhen each town’s general and school bills are due. Property tax by townEvery Long Island town and city, side by side. Suffolk CountyThe same figures for the other county. The complete guideEverything about Long Island property tax in one place.
Method

Methodology and sources

  • Parcels and assessment values: NY State Office of Real Property Tax Services (ORPTS) combined parcel file, roll year 2025. data.ny.gov
  • Tax rates: NY State ORPTS county, town and school combined rate file.
  • Median bill: the median of every school district’s median bill in the county.

Estimates only, not professional advice. Every figure is derived from public New York State data. Verify with the Nassau County Receiver of Taxes before making financial decisions.