Nassau & Suffolk Counties, New York Nassau grievance deadline March 31, 2027Nassau grievance deadline Mar 31
Long Island Property Tax
ZIP code 11718 · Suffolk County

Property taxes in ZIP 11718

ZIP 11718 has 1,225 parcels in Suffolk County, including 1,159 single-family homes. The median home is valued at $748,503.

Median home value
$749k
Most homes $569k to $1.09M
Single-family homes
1,159
of 1,225 parcels
School districts
5
serving this ZIP code
School districts

School districts in ZIP 11718

Homes in 11718 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. Bay Shore1,111 parcels in this ZIP $12,2071,111 parcels
  2. Fire Island53 parcels in this ZIP $6,09853 parcels
  3. West Islip7 parcels in this ZIP $12,3547 parcels
  4. Brentwood7 parcels in this ZIP $8,1627 parcels
  5. Islip6 parcels in this ZIP $12,7186 parcels
Towns

Towns in ZIP 11718

Questions

Frequently asked questions

What is the average property tax in ZIP 11718?

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 11718 in?

ZIP 11718 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.