Nassau & Suffolk Counties, New York Nassau grievance deadline March 31, 2027Nassau grievance deadline Mar 31
Long Island Property Tax
ZIP code 11803 · Nassau County

Property taxes in Plainview, NY 11803

ZIP 11803 (Plainview) has 10,697 parcels in Nassau County, including 10,040 single-family homes. The median home is valued at $577,000.

Median home value
$577k
Most homes $458k to $811k
Single-family homes
10,040
of 10,697 parcels
School districts
5
serving this ZIP code
School districts

School districts in ZIP 11803

Homes in Plainview (11803) 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. Plainview-Old Bethpage8,704 parcels in this ZIP $13,3198,704 parcels
  2. Bethpage1,197 parcels in this ZIP $10,3961,197 parcels
  3. Syosset149 parcels in this ZIP $16,283149 parcels
  4. William Floyd59 parcels in this ZIP $6,69659 parcels
  5. Long Beach49 parcels in this ZIP $9,35949 parcels
Towns

Towns in ZIP 11803

Questions

Frequently asked questions

What is the average property tax in Plainview, NY 11803?

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 11803 in?

ZIP 11803 is in Nassau 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.