Taxes in Kapaa
Kapaa's tax picture combines Hawaii's lowest county-level property-tax rate with the state's real, statewide graduated income tax structure.
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Learn moreHawaii's lowest county property-tax rate
Kauai County's owner-occupied nominal rate runs approximately $2.59 per $1,000 of assessed value (fiscal year 2026-2027) -- the lowest of Hawaii's four counties, notably below Maui County's $6.00-$7.00/$1,000 rate.
Hawaii's real, graduated income tax
Hawaii's 2026 top marginal income tax rate runs 11%, tied with California for the highest top rate of any US state.
The General Excise Tax, not a sales tax
Kauai County's combined GET rate runs 4.5% as of 2026 (the county surcharge has run since January 1, 2019), applied broadly across goods and services.
Key takeaways
- Kapaa property owners benefit from Hawaii's lowest county-level property-tax rate.
- Hawaii's 2026 top income tax rate runs a real 11%, among the nation's highest.
- Kauai County's combined GET rate runs 4.5%.
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