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ZIP code 11751 · Suffolk County

Property taxes in Islip, NY 11751

ZIP 11751 (Islip) has 4,456 parcels in Suffolk County, including 4,070 single-family homes. The median home is valued at $585,329.

Median home value
$585k
Most homes $460k to $868k
Single-family homes
4,070
of 4,456 parcels
School districts
5
serving this ZIP code
School districts

School districts in ZIP 11751

Homes in Islip (11751) 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. Islip4,044 parcels in this ZIP $12,7184,044 parcels
  2. Fire Island56 parcels in this ZIP $6,09856 parcels
  3. Bay Shore53 parcels in this ZIP $12,20753 parcels
  4. Brentwood46 parcels in this ZIP $8,16246 parcels
  5. East Islip38 parcels in this ZIP $11,05838 parcels
Towns

Towns in ZIP 11751

Questions

Frequently asked questions

What is the average property tax in Islip, NY 11751?

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 11751 in?

ZIP 11751 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.