Hawaii County Home Exemptions (Sept 30 Deadline): Honolulu, Maui, Kauai and Big Island — Reef & Reason
Updated October 2026
A Hawaii home exemption reduces assessed value used to calculate eligible property taxes; it does not reduce your mortgage balance or automatically transfer from the seller. September 30 is an important filing date in several counties, not a universal statewide deadline. Buyers should confirm the deadline, occupancy test, and effective tax year with the county where the home is located.
Compare county rules before estimating taxes
Hawaii has some of the country’s lowest effective owner-occupied residential property tax rates, but classification and exemptions can materially change an individual bill.
| County | Planning point | Filing issue to verify |
|---|---|---|
| Honolulu | Basic home exemption is $120,000 under 65 and $160,000 at 65 or older | September 30 filing and eligibility requirements |
| Maui | Qualifying owner-occupied exemptions can exceed $200,000 | Generally a December 31 filing deadline rather than September 30 |
| Kauai | Qualifying home exemptions can reach $200,000 or more | September 30 requirements and applicable exemption category |
| Hawaii, or Big Island | Age-based and other qualifying exemptions can reach $200,000 or more | Applicable filing cycle, age tier, and occupancy documentation |
Do not treat $200,000 as a guaranteed basic exemption for every owner in every neighbor-island county. Age, ownership, residency, and other qualifications matter. County real property tax offices administer these programs; the Hawaii Department of Taxation handles separate state tax matters.
File deliberately after buying
Ask the county what evidence establishes eligibility. Depending on the jurisdiction, that may include ownership records, principal-residence information, and required residency documentation.
- Confirm whether all owners must sign.
- Check when occupancy must begin.
- Submit the application before the applicable deadline.
- Keep the submission receipt and review the next assessment notice.
- Report changes in use or eligibility when required.
Your escrow closing and your exemption application are separate processes. Review the Hawaii closing guide so neither step gets overlooked.
Build the payment around your likely tax bill
The seller may have a different exemption, age qualification, or property classification. Ask your lender how it estimated taxes and whether the initial escrow deposit anticipates your expected bill.
Use the monthly payment calculator to model payments with and without the expected exemption. The Consumer Financial Protection Bureau explains escrow accounts and payment changes. Once your county approves an exemption, confirm that future escrow analyses reflect the updated bill rather than assuming the monthly payment changes immediately.
Compare Current Mortgage Rates
Compare current APRs, points, fees, and estimated monthly payments from participating lenders below.
Loan Program Comparison: 2026 Benchmarks
Hawaii County Home Exemptions (Sept 30 Deadline): Honolulu, Maui, Kauai and Big Island — Choose a mortgage by comparing eligibility, upfront cash and total monthly costs, not the advertised rate alone. Conventional, FHA, VA and USDA serve different borrowers. Confirm county limits, taxes, insurance and lender requirements before comparing personalized Loan Estimates for your household.
Historical 2025 one-unit comparison: conforming $832,750; FHA floor $541,287. County and unit-count limits can differ.
| Loan program | Down payment / equity | 2026 one-unit baseline | Costs and page-specific comparison |
|---|---|---|---|
| Conventional | 3%–5% subject to eligibility | $832,750 | PMI generally below 20% down |
| FHA | 3.5% at 580+; 10% at 500–579 | $541,287 floor | 1.75% upfront MIP; 0.55% annual for >95% LTV, base loan ≤$726,200, term >15 years |
| VA | 0% for eligible borrowers | No VA limit with full entitlement | No monthly PMI; funding fee unless exempt |
| USDA | 0% for eligible borrowers | Income, address and repayment eligibility | Guarantee and annual fees; confirm current schedule |
| Jumbo | Lender-specific cash and reserves | Above applicable conforming limit | Lender-specific pricing and insurance |
| Home Equity / Refinance | Equity and underwriting dependent | Property and lender dependent | Compare closing costs, term and break-even |
Sources: FHFA limits; HUD FHA limits.
Editorial Methodology & Primary Sources
Verification date: Not recorded; check the primary source and lender timestamp before relying on an estimate.
Rate comparisons use participating lender feeds, not a whole-market survey or guaranteed offers. Freddie Mac PMMS is a market benchmark, not a personalized quote. Calculator models rely on published regulatory formulas and disclosed assumptions rather than fabricated first-person loan testing.
Monthly principal and interest use the amortization formula P × r / (1 − (1 + r)−n), where r is the monthly note rate and n is the number of payments; at zero interest use P / n. PITI adds monthly property taxes and homeowners insurance; PMI is separate. APR includes applicable finance charges under Regulation Z and is not the note rate used for payments. Compare lender Loan Estimates for actual APR and fees.
- Consumer Financial Protection Bureau (CFPB) — Loan Estimates, APR and borrower disclosures; Regulation Z.
- U.S. Department of Housing and Urban Development (HUD / FHA) — FHA program guidance.
- U.S. Department of Veterans Affairs (VA) — VA loan eligibility and benefits.
- Freddie Mac Primary Mortgage Market Survey (PMMS) — published rate benchmarks.
- U.S. Census state tax collections — state property tax benchmarks; confirm parcel-specific assessments and exemptions with the state revenue department and local assessor.
- Hawaii Housing Finance and Development Corporation — state housing finance and property tax authority.
- Hawaii Department of Taxation — state housing finance and property tax authority.
The payment snapshot uses illustrative annual taxes of 1% of home price, $1,200 insurance and 0.5% PMI below 20% down, not verified local quotes. Other calculators disclose their inputs and assumptions. Published guidance and lender feeds may change independently; confirm current program rules, taxes and offers before a decision.