Property taxes in Mastic Beach, NY 11951

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

Median home value

$339k

P10 $208k · P90 $466k

Single-family parcels

4,054

of 4,246 total

School districts in ZIP

serving residents here

School districts in ZIP 11951

Residents in Mastic Beach (11951) are zoned across these school districts. The school portion of property tax is typically 60-75% of the total bill.

William Floyd $6,696/yr · 4,213 parcels
Longwood $9,972/yr · 8 parcels
South Country $9,270/yr · 4 parcels
Central Islip $10,980/yr · 3 parcels
Eastport-South Manor $13,675/yr · 3 parcels

Towns covered by ZIP 11951

Brookhaven 4,235 parcels
Islip 4 parcels
Riverhead 2 parcels
Babylon 2 parcels
Huntington 1 parcels

Frequently asked questions

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

Property tax in ZIP 11951 varies by school district. The biggest factor is which school district your home falls into — within a ZIP, bills can vary 2-3x. Use the property tax calculator to get an exact estimate for any address.

What county is ZIP 11951 in?

ZIP 11951 falls within Suffolk County.

How do I lower property taxes in this ZIP?

File for exemptions (STAR, Enhanced STAR, Senior, Veterans) and consider a tax grievance if comparable homes nearby are assessed lower than yours.

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Methodology & sources

Parcels and assessment values: NY State Office of Real Property Services (ORPS) combined parcel file, roll year 2025.
ZIP-hamlet mapping: USPS ZIP code area + LI hamlet locality database.

Estimates only — not professional advice.