Property taxes hit a record $4,427 nationally in 2025, rising 3.7% even as home values softened in many markets. ATTOM Data's latest analysis confirms what Texas homeowners have been experiencing firsthand: tax bills keep climbing regardless of actual market conditions.
This disconnect isn't a market problem — it's an assessment problem. And assessment problems are fixable through the property tax protest process. The Assessment Gap: Why Taxes Rise When Values Don't ATTOM's 2025 property tax analysis reveals a critical timing mismatch between assessments and market reality.
County appraisal districts typically assess properties based on data from 6-18 months prior to the tax year, creating natural gaps when markets shift quickly. In Texas, this timing issue becomes particularly problematic because: Assessment dates vary by county: Most Texas counties assess as of January 1st for the current tax year Market data lags: Appraisers often rely on sales from the previous 12-24 months Automated models dominate: Mass appraisal systems struggle with rapid market changes According to ATTOM's data, effective property tax rates averaged 1.08% nationally in 2025, but Texas counties often exceed 2-3% when combining all taxing entities.