Total monthly cost of ownership
Cost to Own a Home in Royal Kunia, Hawaii
A $833,000 home here costs
$5,813per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $4,282. The real number is $1,530 higher every month — 36% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Royal Kunia against Honolulu County and Hawaii
| Measure | Royal Kunia | Honolulu County |
|---|---|---|
| Median home value | $833,000 | $873,000 |
| Median property tax | $2,271 | $2,482 |
| Effective tax rate | 0.273% | 0.284% |
| Median gross rent | $2,806 | $2,054 |
| Population | 13,687 | 1,003,666 |
The weather behind that power bill
Royal Kunia sits in Honolulu County, which averages a high of 85.6°F in its hottest month and a low of 64.4°F in its coldest, with 21.78" of precipitation a year and 41% of it in a single three-month stretch. That climate drives 3,609 cooling and 0 heating degree days, which is what sets the $467 electricity line above.
See the full climate breakdown for Honolulu County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Honolulu County
Full Honolulu County cost breakdown · Every county in Hawaii
Common questions
How much does it cost to own a home in Royal Kunia?
A $833,000 home in Royal Kunia, Hawaii costs approximately $5,813 per month with 20% down at 6.66%. That is $4,282 principal and interest, $190 property tax, $111 homeowners insurance, $535 utilities and $694 set aside for maintenance.
What is the property tax rate in Royal Kunia?
Royal Kunia has an effective property tax rate of 0.273%, based on a median home value of $833,000 and median real estate taxes of $2,271. That is lower than the Honolulu County average of 0.284%.
What is the average home price in Royal Kunia?
The median owner-occupied home value in Royal Kunia, Hawaii is $833,000, against $873,000 across Honolulu County.
Is it cheaper to rent or buy in Royal Kunia?
Median gross rent in Royal Kunia is $2,806 a month, against $5,813 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Royal Kunia — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Hawaii.
- Electricity price — EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate — Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.