Property taxes in St James, NY 11780

ZIP 11780 (St James) contains 5,796 parcels in Suffolk County, including 5,459 single-family homes. The median home value is $695,875.

Median home value

$696k

P10 $229k · P90 $1356k

Single-family parcels

5,459

of 5,796 total

School districts in ZIP

serving residents here

School districts in ZIP 11780

Residents in St James (11780) are zoned across these school districts. The school portion of property tax is typically 60-75% of the total bill.

Smithtown $14,000/yr · 5,318 parcels
Bay Shore $12,207/yr · 60 parcels
Three Village $15,322/yr · 52 parcels
Brentwood $8,162/yr · 43 parcels
Riverhead $8,948/yr · 25 parcels

Towns covered by ZIP 11780

Smithtown 5,358 parcels
Islip 176 parcels
Brookhaven 120 parcels
Babylon 38 parcels
Southold 29 parcels

Frequently asked questions

What is the average property tax in St James, NY 11780?

Property tax in ZIP 11780 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 11780 in?

ZIP 11780 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 St James (11780)?

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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.