Property taxes in Hauppauge, NY 11788

ZIP 11788 (Hauppauge) contains 6,205 parcels in Suffolk County, including 4,801 single-family homes. The median home value is $721,875.

Median home value

$722k

P10 $568k · P90 $958k

Single-family parcels

4,801

of 6,205 total

School districts in ZIP

serving residents here

School districts in ZIP 11788

Residents in Hauppauge (11788) are zoned across these school districts. The school portion of property tax is typically 60-75% of the total bill.

Hauppauge $12,251/yr · 4,388 parcels
Smithtown $14,000/yr · 553 parcels
Three Village $15,322/yr · 277 parcels
Longwood $9,972/yr · 139 parcels
South Country $9,270/yr · 70 parcels

Towns covered by ZIP 11788

Islip 2,854 parcels
Smithtown 2,304 parcels
Brookhaven 730 parcels
Babylon 69 parcels
Huntington 65 parcels

Frequently asked questions

What is the average property tax in Hauppauge, NY 11788?

Property tax in ZIP 11788 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 11788 in?

ZIP 11788 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.