Blog
Data-driven analysis of U.S. housing markets, methodology explainers, and timely commentary from the US Property Tax Data team.
Guides
How Property Taxes Are Calculated: A Complete Guide
Property tax = assessed value × millage rate. But state-level assessment ratios and exemptions make this formula deceptively complex. Here's how it works in 2026.
Rankings
The 10 Highest and Lowest Property Tax States in 2026
New Jersey and Illinois top the list at over 2%. Hawaii and Alabama stay under 0.50%. Here's the full ranking based on ACS 5-Year data.
Guides
How to Appeal a Property Tax Assessment: 2026 Guide
If you believe your home is over-assessed, you can challenge it. Here's the step-by-step process, deadlines, and success rates for property tax appeals.