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

Property taxes in Suffolk County, New York

Suffolk County has 534,162 parcels on the latest New York State assessment roll, including 461,685 single-family homes. The median residential bill across the county’s 68 school districts is $11,178 a year.

Median bill
$11,178/yr
across 68 school districts
Median home value
$622k
Most homes $388k to $1.40M
Single-family homes
461,685
of 534,162 parcels
School districts
68
with published median bills
School districts

The five cheapest and five most expensive districts in Suffolk

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 Suffolk ranking

Most expensive

  1. 1 Cold Spring Harbor $30,783
  2. 2 Sagaponack $28,638
  3. 3 Babylon $15,593
  4. 4 Bridgehampton $15,427
  5. 5 Half Hollow Hills $15,361

Cheapest

  1. 1 Fire Island $6,098
  2. 2 William Floyd $6,696
  3. 3 New Suffolk $7,054
  4. 4 Oysterponds $7,138
  5. 5 Hampton Bays $7,696

Suffolk County median, $11,178

Towns

Towns and cities in Suffolk County

Suffolk County is divided into 8 towns and cities. Each keeps its own assessment roll and sets its own town levy.

ZIP codes

The biggest ZIP codes in Suffolk County

The eight Suffolk ZIP codes with the most parcels.

Questions

Frequently asked questions

What is the average property tax bill in Suffolk County?

The median residential bill across Suffolk County’s 68 school districts is $11,178 a year. Individual bills vary fivefold or more by school district, town, village and special-district levies.

How are property taxes calculated in Suffolk County?

Property tax in Suffolk 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 Suffolk 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 Suffolk 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 Suffolk County

Property records searchAssessed value, deeds, mortgages and liens for any Suffolk parcel. Suffolk grievance guideFiling with your town’s board by Grievance Day, the third Tuesday in May. Reading a Suffolk tax billA line-by-line walkthrough. Suffolk payment scheduleWhen each town’s bills are due. Property tax by townEvery Long Island town and city, side by side. Nassau 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 Suffolk County Receiver of Taxes before making financial decisions.