Hawaii Property Tax Appeal Guide | Property Tax Edge
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Hawaii

West · 4 counties

Complete property tax appeal guide for Hawaii homeowners — rates, deadlines, exemptions, and step-by-step appeal instructions.

Hawaii Department of TaxationEasy to Appeal
0.29%
Effective Tax Rate
Rank #51 nationally
100%
Assessment Ratio
100% of market value
$839,100
Median Home Value
latest Census/ACS estimate
$2,239
Median Annual Tax
Per year
1

Lowest effective tax rate in the US at 0.29%

2

Only 4 counties — one of the simplest structures in the country

3

Despite low rates, high home values mean substantial dollar amounts

Appeal Deadline

Varies by county — Honolulu: January 15; Maui & Hawaii County: April 9; Kauai: December 1–31 of the PRECEDING year

Watch the year. Honolulu and Kauai run in the calendar year BEFORE the tax year — Kauai's window for 2026 was December 1–31, 2025, and it is only open for that one month, so 'December 31' does not mean you have until the end of this year. Honolulu's January 15 gets NO weekend or holiday rollover (ROH 8-1.16 carves it out). Maui and Hawaii County close April 9. Assessment notices mail De

Verified August 2026 against the official source · official source · always confirm the current date with your county

Understanding Hawaii's Assessment Ratio

100%
100% of market value

Hawaii assesses at 100% of market value, so your assessed value should equal what your property is worth on the open market.

This makes appeals straightforward: if comparable homes in your area sold for less than your assessed value, you have grounds for an appeal.

How to Appeal Your Property Tax in Hawaii

1

Receive assessment notice

2

File by your county deadline — Honolulu January 15 (no weekend rollover); Maui and Hawaii County April 9; Kauai December 1–31 of the PRECEDING year

3

Attend Board of Review hearing

4

Appeal to Tax Appeal Court if needed

Appeal Body
County Board of Review → Tax Appeal Court

Exemptions & Relief Programs

Homestead Exemption
$100,000 home exemption (Honolulu); varies by county
Senior / Disabled Exemption
Additional exemptions for 65+ homeowners; varies by county

Key Statutes & Legal References

§
HRS §246 (property tax)
§
HRS §232 (Tax Appeal Court)

Hawaii Property Tax Code

Governing Code
County Real Property Tax Codes (e.g., Revised Ordinances of Honolulu ch. 8) — HRS ch. 246 repealed
Assessment Authority
County Real Property Assessment Division
Appeal Board
Board of Review
Assessment Cycle
Annual (July 1 assessment date)

Key Statutes

ROH ch. 8, art. 7 (Honolulu)
Assessment of Real Property
County ordinance requiring assessment of real property at 100% of fair market value (each county's code contains an equivalent provision).
ROH §8-10.3 (Honolulu)
Home Exemption
County ordinance providing a home exemption from assessed value for owner-occupied residences (each county sets its own amounts).
ROH ch. 8, art. 12 (Honolulu)
Board of Review Appeals
County ordinance establishing the Board of Review appeal process (each county maintains its own board).
HRS §232-17
Tax Appeal Court
Establishes the Tax Appeal Court for formal property tax appeals.

Major Exemptions

Home Exemption
Owner-occupied primary residence (varies by county)
$100,000–$160,000 assessed value
Senior Home Exemption
Age 65+, owner-occupied
Additional $20,000–$40,000
Disability Exemption
Totally disabled
Varies by county
Official Code

Hawaii Appeal Tools

Use these tools to build your appeal case for Hawaii:

Over-Assessment Calculator
County Appeal Guides
Jurisdiction Intelligence
CAD Interactive Map
Sales Comparables Tool
Deadline Manager

Quick Hawaii Calculator

$
$
Assessment ratio: 100% · Rate: 0.29%

Quick Links

Over-Assessment Calculator
Find a Consultant
Deadline Manager
Community Forum
Easy to Appeal
Lowest effective tax rate in the US; only 4 counties; simple process

Taxing Authority

County Real Property Assessment Division
Assessment Frequency
Annual

Ready to Appeal Your Hawaii Property Tax?

Use our free tools to calculate your potential savings, find a local consultant, and manage your appeal deadlines.

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Hawaii's assessment ratio study

How closely Hawaii assessors' values actually track real sale prices — and whether you can use that in an appeal.

No usable published study

With no ratio study to cite, appeal to the county Board of Review and then the Tax Appeal Court on the county's own statutory grounds — typically assessment exceeding market value by more than a set percentage, plus lack of uniformity — proving both with your own comparable-sales analysis.

Official Hawaii dataCompare all 50 states + DC

Supplemental, Escape & Corrected Bills in Hawaii

Hawaii's four counties run property tax and NONE issues a California-style supplemental bill — a sale or new build shows up on the next annual notice (Honolulu mails by Dec 15, appeal window Dec 15-Jan 15). If a county issues an amended assessment (including omitted improvements), a fresh 30-day appeal window opens from that amended notice in Honolulu, with similar county-specific rules on the neighbor islands.

Amended assessment notice (county-issued)

A county Real Property Assessment Division issues an amended notice of assessment after the annual notice — e.g. to fix errors, add omitted improvements, or remove an exemption. Property tax in Hawaii is administered entirely by the four counties (Honolulu, Maui, Hawaiʻi, Kauaʻi); there is no state-level roll.

Appeal window: Honolulu: appeal to the Board of Review between Dec 15 and Jan 15 for the annual notice, OR within 30 days of the mailing of an AMENDED assessment notice. Other counties have analogous amended-notice appeal rights with their own deadlines (regular deadlines: Maui and Hawaiʻi County ≈ April 9; Kauaʻi ≈ Dec 31) — the deadline printed on the notice governs.30 days

Omitted property / added improvements

Improvements or property omitted from the roll (e.g. unpermitted additions discovered) are added by the county assessor, typically via an amended assessment for the next roll and, per county ordinance, possibly back years.

Appeal window: Same as amended-notice appeals: 30 days from the amended notice (Honolulu) or the county's stated deadline.30 days

Full details & sources →Got one of these bills? Track its deadline →
AI Evidence Packet · $49

Build your Hawaii appeal evidence packet

Our AI assembles a professional evidence packet — cover letter, comparable-sales analysis, assessment ratio check, hearing script, and your state's filing instructions. $49 one-time, no subscription, no percentage of your savings. You file it with your county; we don't file or represent you.

We prepare the evidence — you submit it. The $49 is charged when the packet is generated, not when an appeal succeeds. See a sample packet.

Build my packet

Hawaii property tax appeals — frequently asked questions

When is the property tax appeal deadline in Hawaii?+

In Hawaii, the appeal window is Varies by county — Honolulu: January 15; Maui & Hawaii County: April 9; Kauai: December 1–31 of the PRECEDING year. Watch the year. Honolulu and Kauai run in the calendar year BEFORE the tax year — Kauai's window for 2026 was December 1–31, 2025, and it is only open for that one month, so 'December 31' does not mean you have until the end of this year. Honolulu's January 15 gets NO weekend or holiday rollover (ROH 8-1.16 carves it out). Maui and Hawaii County close April 9. Assessment notices mail De Always confirm the exact date with your local county real property assessment division or appeal board, as it can vary by county.

How do I appeal my property tax assessment in Hawaii?+

The general process: 1) Receive assessment notice; 2) File by your county deadline — Honolulu January 15 (no weekend rollover); Maui and Hawaii County April 9; Kauai December 1–31 of the PRECEDING year; 3) Attend Board of Review hearing; 4) Appeal to Tax Appeal Court if needed. Appeals are heard by the County Board of Review → Tax Appeal Court.

What is the average property tax rate in Hawaii?+

Hawaii's effective property tax rate is about 0.29% of value — roughly $2,239 per year on the state's median home value of $839,100. Assessments are made at 100% of market value.

What exemptions can lower my property tax in Hawaii?+

Common relief includes the homestead exemption ($100,000 home exemption (Honolulu); varies by county) and senior relief (Additional exemptions for 65+ homeowners; varies by county). Eligibility and amounts vary — check with Hawaii Department of Taxation.

Is it worth appealing my property taxes in Hawaii?+

If your assessed value is higher than what your home would realistically sell for, an appeal can lower your bill — often for the life of the assessment. Use the free over-assessment calculator to estimate your potential savings before you file.