Kauai County Property Tax Rate
Hawaii
Kauai County, Hawaii has an effective property tax rate of 0.21%, which is 77% lower than the national average of 0.92%. On a home valued at $873,200, homeowners pay approximately $1,866 per year in property taxes. Kauai County ranks #3 out of 4 counties in Hawaii for property tax rates.
$1,866
Per year
$873,200
2024 estimate
1.91%
Median income: $97,668
#3
of 4 counties in HI
Tax Breakdown
With Mortgage
$1,860
median annual tax
Without Mortgage
$1,889
median annual tax
Homeowners with a mortgage in Kauai County pay on average -$29 more per year than those without. This difference often reflects how property tax escrow accounts in mortgaged homes capture the full tax obligation.
How Kauai County Compares
Top Counties in Hawaii
Historical Property Tax Trends
| Year | Median Tax | Median Home Value | Effective Rate |
|---|---|---|---|
| 2020 | $1,460 | $606,900 | 0.24% |
| 2021 | $1,502 | $632,900 | 0.24% |
| 2022 | $1,679 | $742,900 | 0.23% |
| 2023 | $1,840 | $817,900 | 0.22% |
| 2024 | $1,866 | $873,200 | 0.21% |
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates
Hawaii Property Tax Exemptions
Available to Kauai County homeowners
General Homestead
Varies by county: Honolulu $100,000; Hawaii County $40,000-$100,000; Maui $200,000; Kauai $160,000
Owner-occupied primary residence
Over 65
Varies by county: Honolulu additional $40,000; Hawaii County up to $80,000 additional
Homeowners age 65+
Disabled Veteran
Varies by county; full exemption for totally disabled veterans in some counties
Veterans with 100% service-connected disability
Property Tax Calculator
Estimate your annual property tax in Kauai County
Estimated Annual Property Tax
$630
$53/month · Rate: 0.21%
Quick Facts
Think your property tax is too high?
Homeowners save an average of $1,148/year by appealing their assessment.
Learn How to Appeal →Frequently Asked Questions
Data Source: U.S. Census Bureau, 2024 American Community Survey 5-Year Estimates. Effective tax rates are calculated by dividing median real estate taxes paid by median home value. Actual property tax rates may vary based on local taxing jurisdictions, exemptions, and assessment practices. This information is for general reference only and should not be used as a substitute for professional tax advice.