Property tax data reports
Reusable calendars, county comparisons and charts with their sources and coverage limits attached.
Property tax due dates, 2026–2027
Dates announced by counties, busiest weeks, schedules set by law and published penalty rates.
Property tax rates by county
ACS ratios, highest and lowest counties, state summaries and a downloadable county dataset.
Updated , from cited verification dates. Individual sources may have earlier checks.