Cost to Own
United StatesHawaiiHonolulu CountyWaialua Population 3,015 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Waialua, Hawaii

A $942,000 home here costs

$6,554

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $4,843. The real number is $1,711 higher every month — 35% more than the payment most buyers budget for.

Waialua median: $942,300
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $753,600 borrowed $4,843
Property tax0.338% effective rate for Waialua itself $265
Homeowners insuranceHawaii averages $1,299/yr (NAIC), or 0.16% of home value $126
Electricity52¢/kWh — Hawaii residential average, EIA $467
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $785
Total monthly $6,554

Waialua against Honolulu County and Hawaii

MeasureWaialuaHonolulu County
Median home value$942,300$873,000
Median property tax$3,185$2,482
Effective tax rate0.338%0.284%
Median gross rent$1,707$2,054
Population3,0151,003,666

The weather behind that power bill

Waialua 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 Waialua?

A $942,000 home in Waialua, Hawaii costs approximately $6,554 per month with 20% down at 6.66%. That is $4,843 principal and interest, $265 property tax, $126 homeowners insurance, $535 utilities and $785 set aside for maintenance.

What is the property tax rate in Waialua?

Waialua has an effective property tax rate of 0.338%, based on a median home value of $942,300 and median real estate taxes of $3,185. That is higher than the Honolulu County average of 0.284%.

What is the average home price in Waialua?

The median owner-occupied home value in Waialua, Hawaii is $942,300, against $873,000 across Honolulu County.

Is it cheaper to rent or buy in Waialua?

Median gross rent in Waialua is $1,707 a month, against $6,554 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 Waialua — 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.

Full methodology