Guide · reviewed September 3, 2026
Honolulu Property Tax & Home Exemption
Understand City and County of Honolulu real-property tax basics, homeowner exemptions, and where to verify assessed values before making an offer.
Official records
Start with the assessed value
City and County of Honolulu real-property tax is based on assessed value, classification, and exemptions—not the listing price alone. Pull the parcel record and current assessment before budgeting monthly ownership cost.
Due diligence
What to verify before an offer
- Current assessed value, tax class, and billing cycle for the parcel.
- Whether a homeowner exemption is on file and whether you can qualify at closing.
- Special districts, agricultural use, or other classifications that change the rate.
- How the annual bill converts to a monthly allowance in your budget.
Related tool
Use the monthly cost calculator
Enter a monthly property-tax allowance in the true monthly homeownership cost calculator after you have written tax records—not a mainland default.
Property research
Organize county records
Open the Honolulu property research launcher for parcel, permit, hazard, and utility starting points tied to the specific address or TMK.