Oahu Property Tax: Pay, Lookup, Rates & Exemptions Online
Oʻahu property tax is administered by the City and County of Honolulu. Use this guide to find the correct TMK record, pay a tax invoice, calculate your estimated bill, check current Honolulu rates, understand home exemption deadlines, avoid Residential A surprises, and file an assessment appeal before the January 15 deadline.
What Oʻahu property owners usually need first
Use this action board before leaving for an official portal. It tells you which Honolulu office or tool fits your issue.
Fast action board
- 1Need to pay? Open the official payment portal, search the invoice by TMK, add the correct invoice to cart, then save the receipt.
- 2Need a parcel record? Use RPAD Property Records Search. Confirm TMK, owner, class, exemption, assessed value and taxable value before relying on the result.
- 3Need due dates? First-half bills are mailed around July 20 and due August 20. Second-half bills are mailed around January 20 and due February 20.
- 4Need home exemption? File by September 30 for the next tax year. The exemption does not automatically transfer when you move or buy a new home.
- 5Value looks wrong? Assessment notices are mailed by December 15. Appeal by January 15 if value, classification or exemption is wrong.
Official tasks
How to look up Oahu property tax records by TMK, address or owner
TMK is the safest search key. Address and owner searches are useful, but condos, trusts, old mailing addresses and spelling variations can create confusing results.
| Need | Official Route | Micro-Step |
|---|---|---|
| TMK / parcel details | Honolulu Property Records Search | Search TMK first; if unknown, try address or owner and verify the parcel. |
| Assessment notice check | RPAD homepage | Compare assessment notice with online property record after December 15. |
| Invoice / amount due | Honolulu tax payment portal | Search invoice by TMK, then match tax year and balance before payment. |
| Deed or owner document | Hawaii Bureau of Conveyances search | Use when ownership, conveyance date, deed or recording is the real question. |
1Find the TMK firstTMK keeps lookup, payment and appeal records aligned.▾
Open the official property search. Search by TMK if you have it on the bill, assessment notice, escrow statement, DPP record, short-term rental record or deed paperwork. Save the full TMK before paying or appealing.
2Check class, exemption and taxable valueThe bill can jump because of class or exemption status, not only market value.▾
Look for property class, assessed value, home exemption, net taxable value and notice year. Residential, Residential A, Hotel/Resort, Bed and Breakfast, and Transient Vacation properties can have very different rates.
3Do not use assessment value as the bill amountAssessment notice and tax bill are different documents.▾
Assessment notice shows assessed value, class and exemption information. The tax bill or payment portal shows amount due. Use the invoice search before paying.
How to pay Oahu property tax safely
Honolulu property tax can be paid online, by phone, in person, by check or at Satellite City Halls during collection periods. Online payment is usually the fastest route if your TMK and invoice are correct.
Online payment
Use the official Honolulu Real Property Tax Payments portal. Search for the invoice, add the correct one to cart and pay by credit card or personal bank account.
Phone payment
The city notice lists phone payment at 808-825-6819, available 24/7, with service-provider convenience fee.
In-person Treasury
Division of Treasury: 530 South King Street, Room 115. Listed hours: Monday–Friday, 7:50 AM–4:15 PM, except holidays.
1Open the official payment portalStart from the official invoice search before entering payment details.▾
Go to Honolulu Real Property Tax Payments. Search for the invoice by TMK. Do not pay until the parcel, tax year and owner match your records.
2Verify tax year, installment and balanceA property can show current, prior or multiple invoices.▾
Check first-half or second-half installment, amount due, penalty/interest, tax year, TMK and property address. If your mortgage servicer pays taxes, compare the portal with your escrow statement before paying twice.
3Review convenience fees before submitOnline and phone payments include service-provider fees.▾
The city notice says credit card and electronic check payments online or by phone include a convenience fee from the service provider. Review the final confirmation screen before clicking submit.
4Save receipt and proofHelpful for escrow, refinance, closing or payment disputes.▾
Save confirmation number, amount, date, TMK, tax year and payment method. If paying by check, the city notice says to write the Tax Map Key on the check.
Oahu property tax calendar: bills, exemptions, valuation and appeals
These are the important RPAD dates most homeowners, buyers, landlords and escrow teams need.
| Date | Official Event | What To Do |
|---|---|---|
| July 1 | Beginning of tax year | Confirm property class, exemption and mailing address before bills arrive. |
| July 20 | First-half bills mailed | Look for your bill or search invoice online if you do not receive it. |
| August 20 | First-half payment due | Pay or confirm escrow payment before penalty risk. |
| September 30 | Exemption claims and tax credit applications deadline | File home exemption, age details or tax credit paperwork before this date. |
| October 1 | Date of valuation | Property status around this date can affect assessed value/classification. |
| November 1 | Deadline for reporting exemption-affecting changes | Report sale, rental, move, mailing address change or exemption status change. |
| December 15 | Assessment notices mailed | Review value, exemption and class. Prepare appeal evidence if wrong. |
| January 15 | Deadline for assessment appeals | File appeal online, in person or by mail. Fax/email appeal is not accepted. |
| January 20 | Second-half bills mailed | Watch mail or search invoice online. |
| February 20 | Second-half payment due | Pay before deadline to avoid penalty and interest. |
Honolulu property tax rates and simple calculation
FY 2026–2027 rates are per $1,000 of net taxable real property value. Use your official class and net taxable value from RPAD or your tax bill.
Simple Oahu property tax formula
Estimated tax = net taxable value ÷ 1,000 × class tax rate.
| Class | FY 2026–2027 Rate | What It Usually Means |
|---|---|---|
| Residential | $3.50 per $1,000 | Typical owner-occupied or residential class property. |
| Residential A Tier 1 | $4.00 per $1,000 | Residential A first tier of net taxable value. |
| Residential A Tier 2 | $11.40 per $1,000 | Residential A value above Tier 1 threshold. |
| Hotel and resort | $13.90 per $1,000 | Hotel/resort class property. |
| Commercial | $12.40 per $1,000 | Commercial class property. |
| Industrial | $12.40 per $1,000 | Industrial class property. |
| Agricultural / Preservation | $5.70 per $1,000 | Agricultural or preservation property classes. |
| Vacant agricultural | $8.50 per $1,000 | Vacant agricultural class property. |
| Bed and breakfast home | $6.50 per $1,000 | B&B class property. |
| Transient vacation Tier 1 | $9.00 per $1,000 | Transient vacation first tier. |
| Transient vacation Tier 2 | $11.50 per $1,000 | Transient vacation value above Tier 1 threshold. |
Oahu home exemption, senior amount, Residential A and tax relief traps
Many high-bill problems on Oʻahu are not caused by the tax rate alone. They come from a missing home exemption, wrong classification, late filing or Residential A treatment.
Home exemption
Current RPAD FAQ amounts: $120,000 for owners under 65 and $160,000 for owners age 65+. Effective tax year 2027, amounts increase to $140,000 and $180,000.
Higher senior exemption
To qualify for the higher exemption, the owner must be 65 by June 30 of the tax year and date of birth must be on record by September 30 before the tax year.
Residential A risk
RPAD describes Residential A as certain high-value residential properties without a home exemption, plus certain vacant residential land and condos meeting value rules.
No back-year refunds
RPAD FAQ says refunds are not available for tax years before the home exemption takes effect.
1File home exemption before September 30Late filing can push the benefit to a later tax year.▾
Open the Honolulu Home Exemption page. Confirm ownership, occupancy, principal home status and required evidence before filing.
2Report changes within 30 days or by November 1Failure can affect exemption and mail delivery.▾
RPAD FAQ says owners must notify RPAD of mailing address changes within 30 days or by November 1 at the latest. It also says exemption-affecting changes must be reported after the property ceases to qualify.
3Do not assume exemption transfers after purchaseNew owner must verify their own filing.▾
If online records still show an old exemption after purchase, it may belong to the prior owner. RPAD FAQ warns the notice of assessment will indicate approval or disapproval for your claim.
How to appeal an Oahu property assessment
Appeal only the issue that matters: assessed value, property classification, exemption denial, or legal/uniformity problem. Gather proof before the deadline.
| Appeal Item | Official Detail | Action |
|---|---|---|
| Assessment notice | Sent on or before December 15 | Review value, class and exemption immediately. |
| Deadline | January 15 | File before deadline; do not wait for a tax bill. |
| Allowed filing methods | Online, in person or mail | RPAD FAQ says appeal cannot be filed by fax or email. |
| Ground 1 | Assessment exceeds market value by more than 10% | Prepare sales, appraisal, condition or error evidence. |
| Ground 2 | Lack of uniformity/inequality or method error | Compare similar properties and assessment treatment. |
| Ground 3 | Denial of qualified exemption | Attach proof of qualification and filing history. |
Wrong bill, missing exemption, escrow issue or high assessment: who to contact
Calling the wrong office wastes time. Use this table before contacting Honolulu.
| Problem | Start Here | Have Ready |
|---|---|---|
| Payment not posted | Treasury Division: 808-768-3980 | TMK, tax year, amount, date, confirmation number |
| Assessment value too high | RPAD: 808-768-3799 | TMK, notice year, comparable sales, photos, appraisal |
| Home exemption missing | RPAD exemptions / home exemption page | Proof of ownership, occupancy, DOB if 65+, filing date |
| Residential A surprise | RPAD Residential A information | Home exemption status, acquisition date, assessment notice |
| Mortgage escrow paid or duplicate payment | Treasury + mortgage servicer | Escrow statement, county receipt, TMK, payment date |
| Mailing address wrong | RPAD change of status / mailing address route | Owner name, TMK, old and new mailing address |
Honolulu RPAD and Treasury office map
Use the map for location planning only. Confirm whether you need Treasury, RPAD Honolulu, RPAD Kapolei, or a Satellite City Hall before visiting.
RPAD Honolulu
842 Bethel Street, Basement, Honolulu, HI 96813. Phone: 808-768-3799.
RPAD Kapolei
1000 Uluʻohiʻa Street, #206, Kapolei, HI 96707. Phone: 808-768-3799.
Treasury Division
530 South King Street, Room 115. Payment notice lists Monday–Friday, 7:50 AM–4:15 PM, except holidays.
Honolulu Hale / Treasury area
For payments, the city notice also mentions a 24/7 curbside black/gray drop box outside Honolulu Hale on South King Street for check drop-off.
Official Oahu / Honolulu property tax resources
Use these links only for official tasks. This page explains what to do first, but official sites are where you search, pay, file or appeal.
Oahu property tax FAQs
Short answers for the questions Oʻahu owners, buyers, landlords, heirs and escrow teams usually search.
QWho handles Oahu property tax?▾
The City and County of Honolulu handles Oʻahu real property tax. RPAD handles assessment, exemptions, property records and appeals; Treasury handles bills, payments and receipts.
QWhere do I pay online?▾
Use Honolulu Real Property Tax Payments. Search invoice by TMK, add the correct invoice to cart and pay by card or personal bank account.
QWhat are the due dates?▾
RPAD lists first-half payments due August 20 and second-half payments due February 20. Always verify exact due date and balance on the official bill.
QHow do I search by TMK?▾
Use Honolulu Property Records Search for property data and the Honolulu payment portal for tax invoices. TMK is the key identifier for parcel matching.
QHow do I calculate my tax?▾
Use net taxable value divided by 1,000, multiplied by the rate for your property class. Confirm exemptions and classification first.
QWhat is the home exemption amount?▾
RPAD FAQ lists current home exemption amounts as $120,000 for owners under 65 and $160,000 for owners 65 and older. Effective tax year 2027, those increase to $140,000 and $180,000.
QWhen do I file home exemption?▾
RPAD lists September 30 as the filing deadline for exemption claims and tax credit applications. Late filing can delay the benefit to a later tax year.
QWhat is Residential A?▾
RPAD describes Residential A as certain high-value residential properties without a home exemption, plus certain vacant residential land and condos. It can create a higher tax bill.
QCan I appeal by email?▾
No. RPAD says appeals cannot be filed by fax or email. File online, in person or by mail during the December 15 to January 15 appeal period.
QIs this an official tax site?▾
No. PropertyTaxUSA.org is an independent guide. Verify bills, rates, exemptions, appeals, payment status and deadlines with official City and County of Honolulu resources.
Bottom line
For Oʻahu property tax, think: TMK → RPAD record → tax invoice → payment receipt. Use RPAD for assessed value, property class, exemption and appeal questions. Use Treasury/payment portal for invoices, payment status and receipts. Review exemption status before September 30, assessment notice by December 15, appeal deadline by January 15, and tax bill installments by August 20 and February 20.
Independent guide notice: This article is informational only and is not the City and County of Honolulu, RPAD, Treasury Division, eHawaii.gov, Tyler Technologies or a legal/tax adviser.