Kauai County, HI property tax rate
Kauai County · Hawaii · #3 of 4 in the state
Median annual property tax $1,866 · median home value $873,200
$1,866 a year · $156 a month using the area benchmark. Enter a value such as 350,000 or 350,000.00.
A rough planning estimate, not a tax quote.
Below the U.S. benchmark 0.94% (0.23×), below the Hawaii benchmark 0.27%.
Ranked among 4 Hawaii counties with available benchmarks; 1 county is not ranked because required figures are missing or reported as ranges.
What this benchmark means
Median real estate taxes paid ÷ median owner-occupied home value, ACS 2020–2024 — a ratio of two medians, not a statutory rate, not the median of individual bills and not your property's rate. Exemptions people already claim are reflected in the survey; your bill depends on taxable value, local districts, exemptions and reassessment after a sale.
Census figures behind this page
| Median real estate taxes paid | $1,866 |
|---|---|
| With a mortgage / without | $1,860 / $1,889 |
| Median home value | $873,200 |
| Median household income | $97,668 · tax is 1.9% of it |
| Median gross rent | $1,870 / mo |
| Owner-occupied | 69% of 23,632 homes |
| Population | 73,731 |
When it's due in Hawaii
All states| First half | Due Aug 20 Late after Aug 21 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill. |
|---|---|
| Second half | Due Feb 20 Late after Feb 21 under state law — the exact cutoff time, weekend/holiday carry-over and this year's date are on your bill. |
| Late penalty | 10% penalty plus 1% per month interest (12% annually) (Honolulu ROH § 8-3.2, Maui County Code § 3.48.220) |
| Appeal window | Honolulu: on or before January 15; Maui: on or before April 9; Hawaii County: on or before April 9 to Board of Review |
Administered entirely by 4 counties (Honolulu, Maui, Hawaii, Kauai). All four counties set due dates on August 20 and February 20. Regular annual schedule; tax year: fiscal year July 1 - June 30, bills mailed July & Jan. Source: Haw. Rev. Stat. § 246-48, rules checked 2026-09-19. Confirm the amount and deadline on your official tax bill.
Hawaii counties with a similar rate
All 5How this benchmark was computed
Median real estate taxes paid by owner-occupied households in Kauai County ($1,866) divided by the median value of those homes ($873,200), both from the Census Bureau's American Community Survey 2020–2024 5-year estimates. It is a ratio of two medians — a reasonable area benchmark, not the assessor's mill rate and not any one household's rate. Newly purchased homes are often reassessed to sale price, so a buyer's first bill can run above it. Data & method