Nassau & Suffolk Counties, New York Nassau grievance deadline March 31, 2027Nassau grievance deadline Mar 31
Long Island Property Tax
ZIP code 11951 · Suffolk County

Property taxes in Mastic Beach, NY 11951

ZIP 11951 (Mastic Beach) has 4,246 parcels in Suffolk County, including 4,054 single-family homes. The median home is valued at $338,542.

Median home value
$339k
Most homes $208k to $466k
Single-family homes
4,054
of 4,246 parcels
School districts
5
serving this ZIP code
School districts

School districts in ZIP 11951

Homes in Mastic Beach (11951) 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. William Floyd4,213 parcels in this ZIP $6,6964,213 parcels
  2. Longwood8 parcels in this ZIP $9,9728 parcels
  3. South Country4 parcels in this ZIP $9,2704 parcels
  4. Central Islip3 parcels in this ZIP $10,9803 parcels
  5. Eastport-South Manor3 parcels in this ZIP $13,6753 parcels
Towns

Towns in ZIP 11951

Questions

Frequently asked questions

What is the average property tax in Mastic Beach, NY 11951?

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 11951 in?

ZIP 11951 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.