ZIP Code 11789

In ZIP code 11789, which covers Stony Brook, homes carry a median value of $428,500 while the county-level property tax rate sits at 1.73%. That combination implies annual property taxes near $7,400 before any exemptions. Households here earn a median of $131,528, and per-capita income reaches $52,906, so the tax bill consumes roughly six percent of median household earnings. Sales tax adds 8.75% at checkout. High home values paired with a rate above the national average make ownership costly, though strong local incomes help offset the annual burden.