The tri-state area has some of the highest property taxes in the nation — but the burden varies dramatically by county and state, and the three states calculate taxes in completely different ways. This guide explains how the systems compare, and where to look up the actual numbers for any property.
The Big Picture
New Jersey is widely reported to have the highest effective property tax rates in the nation, with many counties above 2% of market value. Connecticut's mill-rate system also produces high effective rates in many towns. New York City is generally the lowest for small residential properties — despite high absolute dollar amounts — because Class 1 homes are assessed at only 6% of market value, keeping effective rates near or below 1%.
Key Structural Differences
- New Jersey — properties are assessed at (or near) full market value and taxed at municipal general rates; equalization ratios adjust for assessment practices that lag the market
- New York City — four tax classes with different assessment ratios and caps; nominal rates look high but effective rates on 1-3 family homes are low
- NY suburban counties (Nassau, Suffolk, Westchester) — layered county, town, school, and village levies, driven largely by school district funding, produce some of the highest suburban tax bills in the country
- Connecticut — assessment at 70% of fair market value times a town-set mill rate; mill rates vary several-fold between wealthy towns and cities
See the Live Numbers
Rather than rely on a snapshot, compare real assessments and bills: the NYC property tax hub covers classes, rates, and exemptions with live lookups, and the data insights dashboard shows tri-state rollups computed from the same database that powers every property report.
Why This Matters for Investment
Property taxes are the largest recurring cost for real estate investors after debt service. A 1% difference in effective tax rate on a $500,000 property is $5,000/year — enough to flip a deal from profitable to break-even.
RegWatch shows assessed values, market values, annual tax, effective rates, and exemptions for every property in our database. Search any address to see the full tax picture.