Property taxes in Lake Grove, NY 11755

ZIP 11755 (Lake Grove) contains 3,894 parcels in Suffolk County, including 3,436 single-family homes. The median home value is $642,292.

Median home value

$642k

P10 $388k · P90 $948k

Single-family parcels

3,436

of 3,894 total

School districts in ZIP

serving residents here

School districts in ZIP 11755

Residents in Lake Grove (11755) are zoned across these school districts. The school portion of property tax is typically 60-75% of the total bill.

Sachem $9,968/yr · 1,860 parcels
Middle Country $10,600/yr · 1,780 parcels
Three Village $15,322/yr · 127 parcels
Longwood $9,972/yr · 29 parcels
Connetquot $11,408/yr · 17 parcels

Towns covered by ZIP 11755

Brookhaven 3,630 parcels
Smithtown 195 parcels
Islip 43 parcels
Babylon 10 parcels
Southold 5 parcels

Frequently asked questions

What is the average property tax in Lake Grove, NY 11755?

Property tax in ZIP 11755 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 11755 in?

ZIP 11755 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 Lake Grove (11755)?

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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.