Property taxes in Great River, NY 11739

ZIP 11739 (Great River) contains 522 parcels in Suffolk County, including 486 single-family homes. The median home value is $973,054.

School districts in ZIP 11739

Residents in Great River (11739) are zoned across these school districts. The school portion of property tax is typically 60-75% of the total bill.

East Islip $11,058/yr · 459 parcels
Fire Island $6,098/yr · 11 parcels
Islip $12,718/yr · 8 parcels
Connetquot $11,408/yr · 6 parcels
Lindenhurst $12,962/yr · 4 parcels

Towns covered by ZIP 11739

Islip 490 parcels
Babylon 14 parcels
Brookhaven 8 parcels
Hempstead 3 parcels
Southold 2 parcels

Frequently asked questions

What is the average property tax in Great River, NY 11739?

Property tax in ZIP 11739 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 11739 in?

ZIP 11739 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.

Tracking property tax in Great River (11739)?

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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.