Nassau & Suffolk Counties, New York Nassau grievance deadline March 31, 2027Nassau grievance deadline Mar 31
Long Island Property Tax
ZIP code 11790 · Suffolk County

Property taxes in Stony Brook, NY 11790

ZIP 11790 (Stony Brook) has 5,183 parcels in Suffolk County, including 4,510 single-family homes. The median home is valued at $691,667.

Median home value
$692k
Most homes $492k to $947k
Single-family homes
4,510
of 5,183 parcels
School districts
5
serving this ZIP code
School districts

School districts in ZIP 11790

Homes in Stony Brook (11790) are zoned into these school districts. The school portion is typically 60–75% of the bill, so the district on your tax bill matters more than the ZIP on your mail.

  1. Three Village4,816 parcels in this ZIP $15,3224,816 parcels
  2. South Country54 parcels in this ZIP $9,27054 parcels
  3. Middle Country37 parcels in this ZIP $10,60037 parcels
  4. Syosset32 parcels in this ZIP $16,28332 parcels
  5. Oysterponds28 parcels in this ZIP $7,13828 parcels
Towns

Towns in ZIP 11790

Questions

Frequently asked questions

What is the average property tax in Stony Brook, NY 11790?

It depends on the school district. Within one ZIP code, bills can differ two- or threefold between districts. Use the property tax calculator for an estimate on any address.

What county is ZIP 11790 in?

ZIP 11790 is in Suffolk County.

How do I lower property taxes in this ZIP code?

Apply for every exemption you qualify for (STAR, Enhanced STAR, senior, veterans) and consider a tax grievance if comparable homes nearby are assessed lower than yours.

Method

Methodology and sources

  • Parcels and assessment values: NY State Office of Real Property Tax Services (ORPTS) combined parcel file, roll year 2025.
  • ZIP to hamlet names: USPS ZIP code areas and Long Island hamlet names.

Estimates only, not professional advice.