Property taxes in Greenlawn, NY 11740

ZIP 11740 (Greenlawn) contains 2,984 parcels in Suffolk County, including 2,881 single-family homes. The median home value is $755,556.

Median home value

$756k

P10 $528k · P90 $1089k

Single-family parcels

2,881

of 2,984 total

School districts in ZIP

serving residents here

School districts in ZIP 11740

Residents in Greenlawn (11740) are zoned across these school districts. The school portion of property tax is typically 60-75% of the total bill.

Harborfields $14,419/yr · 2,053 parcels
Elwood $13,844/yr · 778 parcels
Northport-East Northport $10,858/yr · 64 parcels
South Huntington $11,298/yr · 19 parcels
Huntington $12,109/yr · 15 parcels

Towns covered by ZIP 11740

Huntington 2,931 parcels
Southold 14 parcels
Islip 10 parcels
Babylon 7 parcels
Brookhaven 5 parcels

Frequently asked questions

What is the average property tax in Greenlawn, NY 11740?

Property tax in ZIP 11740 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 11740 in?

ZIP 11740 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.