Honolulu County property tax appeal 2027: deadline, forms and how to file
To appeal a Honolulu County assessment, file with the Board of Review; in Hawaii the deadline is January 15 in Honolulu, December 31 in Kauaʻi, and April 9 in Maui and Hawaiʻi County. Confirm the exact date on your notice or with the assessor; we add each county's 2027 date here when it is published.
Data as of 20 Oct 2026 · the Honolulu County assessorCheck your own assessment
Free. We compare the value on your notice with recent sales of similar homes nearby and tell you whether an appeal is worth filing. Have your assessment notice and tax bill handy.
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How to file in Honolulu County
- Step 1
File the appeal
Use the method your notice lists, by the deadline on the notice.
- Step 2 · before the hearing
Prepare and submit your evidence
Comparable assessed values, photographs of condition issues and recent sales where they are public. Ask the appraisal office for the evidence it will use.
- Step 3
Meet, then hear
An informal review usually comes before a formal hearing; most reductions happen at the informal stage.
Before you file: how to read your notice · evidence that works · informal vs formal hearing · when not to appeal
Honolulu County questions
Data as of 20 Oct 2026 · Hawaii statutesWhen is the property tax appeal deadline in Honolulu County?
Hawaii law sets it: Set by county ordinance: Honolulu January 15 (no weekend extension); Kauaʻi December 31; Maui and Hawaiʻi County April 9; 30 days after an amended notice. Confirm the exact date on your notice or with the assessor.
Who hears a appeal in Honolulu County?
The Board of Review hears the first appeal. Filing rules: ROH art. 8-12; Hawaiʻi County Code ch. 19; Kauaʻi County Code ch. 5A, art. 12; Maui County Code ch. 3.48.
What value should I compare on my Hawaii notice?
The figure labeled “Assessed Value”. Hawaii appeals are argued against market value as of Set by county: October 1 before the tax year (Honolulu, Kauaʻi) or January 1 (Maui, Hawaiʻi County), and comparable assessments of similar homes are also a recognized argument.
Does Hawaii cap assessment increases?
Set by county. Kauaʻi limits increases on owner-occupied homes to 3% a year after two years of the same owner. Hawaiʻi County limits its Homeowner class to 3% a year. Honolulu has no cap, only a home exemption.
Check whether yours is over-assessed
Nearby counties
- Honolulu RPAD, appeal information (grounds, ROH §8-12.3)
- Honolulu RPAD, appeals brochure (rev. Dec 30, 2024)
- Honolulu form BFS-RP-M-8-12, Notice of Real Property Assessment Appeal (rev. 10/2025)
- Honolulu RPAD, review your annual Notice of Assessment (October 1, December 15, January 15)
- U.S. Census Bureau, county population estimates (2024) and county gazetteer (2024).