Let's be precise about the number that makes the whole Great Kills equation work.
Staten Island's effective property-tax rate sits around 0.85% of market value. On a typical Great Kills home in the low-to-mid $700Ks, that works out to roughly $5,500–$7,000 a year, about $450 to $580 a month inside your housing payment. On a $730K house, the tax line doesn't fight the mortgage.
And the structure protects you going forward. New York City taxes one- to three-family homes as Class 1, assessed on a small fraction of market value, and caps how fast your assessment can rise: 6% in a single year, 20% over five years. Even when the market jumps, your bill climbs the stairs, not the elevator.
That predictability is the quiet advantage. You can hold this house for twenty years and never get blindsided by the tax line. It's part of why Great Kills families stay put, and why the carrying cost here feels lighter than the price tag suggests.
The honest caveat: what you save in tax near the harbor, you can give back in flood insurance. Always price the insurance before you price the house. On the station blocks and the inland high ground, the math stays firmly in your favor.