Kauai County property tax
Homeowners in Kauai County, Hawaii typically pay about 0.21% of their home's value in property tax each year — a median bill of $1,866 on a median home value of $873,200.
Typical effective rate
0.21%
higher than 100% of U.S. counties
Median tax paid
$1,866
per year
Median home value
$873,200
In HI
#3
of 4 ranked counties
At a glance
- Effective rate 0.21% — 77% lower than the U.S. median of 0.94%, and 20% lower than the Hawaii median of 0.27%.
- With vs. without a mortgage — median tax $1,860 for mortgaged homes, $1,889 for homes owned outright.
- State ranking — 3rd highest effective rate of 4 ranked Hawaii counties; nationally it sits around the 0th percentile.
Estimate a bill for Kauai County
Apply this county's typical effective rate (0.21%) to a home value of your choice.
Frequently asked questions
What is the property tax rate in Kauai County, HI?
The typical effective property-tax rate in Kauai County is 0.21% of a home's value per year, based on median taxes paid ($1,866) divided by the median home value ($873,200) in the Census ACS 2020–2024 5-year estimates. This is a typical burden for comparison, not a statutory mill rate.
How much is property tax on a typical home in Kauai County?
The median owner-occupied home in Kauai County is valued at $873,200, and the median real estate tax paid is $1,866 per year. Homes with a mortgage have a median tax of $1,860, versus $1,889 for homes without one.
How does Kauai County compare to the rest of Hawaii?
Kauai County's effective rate is 20% lower than the Hawaii median, ranking 3rd of 4 ranked counties in the state.
Compare nearby Hawaii counties
Counties ranked closest to Kauai County by in-state effective rate. Open the comparison tool or see all Hawaii counties.
| In-state | County | Effective rate | Median tax |
|---|---|---|---|
| 1 | Honolulu County | 0.28% | $2,553 |
| 2 | Hawaii County | 0.28% | $1,459 |
| 4 | Maui County | 0.16% | $1,466 |
Official data & resources for Kauai County
- Kauai County Census profile (data.census.gov) — housing, value and tax figures for this county.
- Table B25103 for Kauai County — median real estate taxes paid (the source for the tax figures above).
- Table B25077 for Kauai County — median home value.
- Federal forms & is property tax deductible? — IRS Pub 530, Schedule A and the SALT cap, plus your state tax agency.
Finding your exact bill
Your county or municipal assessor (sometimes called the appraisal district, property appraiser, or tax collector) sets the assessed value and the exact millage that produces your bill. Search for "[county name] [state] assessor" or "property tax" on an official .gov site.
Figures on this page are Census survey medians for the whole county (2020–2024 5-year), not an assessment of any individual property. Rates, exemptions and assessment practices vary by municipality and school district within a county.