ZIP Code 11930

In ZIP code 11930, near Stony Brook, households earn a median of $123,257, while per-capita income reaches $90,751. Property values run high here, with the median home assessed at $1,881,000, and the county's 1.73% effective property tax rate translates into a substantial annual bill on that valuation. Sales tax across the area totals 8.75%, adding to everyday costs. Strong earnings help offset these obligations, though the combination of steep housing prices and elevated property taxes means a sizable share of income goes toward carrying a home.