Cost to Own
United States › Hawaii › Kauai County › Hanamaulu Population 4,360 Data vintage ACS 2023 5-Year Rates updated 2026-10-29
The part nobody budgets Even with the mortgage fully paid off, the median home here still costs $1,026 a month in taxes, insurance, utilities and upkeep. See the full Kauai County picture

Total monthly cost of ownership

Cost to Own a Home in Hanamaulu, Hawaii

A $635,000 home here costs

$4,489

per month, all in, with 20% down at today's 7.24% 30-year fixed rate. By the 28% rule that takes a household income of about $192,500 a year.

P&I 77%Tax 2%Insurance 2%Utilities 7%Upkeep 12%

A standard mortgage calculator would have told you $3,462. The real number is $1,026 higher every month, 30% more than the payment most buyers budget for.

Compare Kauai County with anywhere in America · full county breakdown

Small-place caveat: the Census publishes these figures for Hanamaulu from a five-year rolling sample, and with about 4,360 residents that sample is small. The median home value here carries a much wider margin of error than a big-city figure does, so treat it as indicative rather than exact. The Kauai County figures are drawn from a far larger sample if you want a steadier number.

Hanamaulu median: $634,700
Under 20% adds PMI
Freddie Mac PMMS
HI 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, $508,000 borrowed $3,462
Property tax0.210% effective rate for Hanamaulu itself $111
Homeowners insuranceHawaii averages $1,299/yr (NAIC), or 0.16% of home value $85
Electricity47.18ยข/kWh, Hawaii residential average, EIA $234
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $529
Total monthly $4,489

Hanamaulu against Kauai County and Hawaii

MeasureHanamauluKauai County
Median home value$634,700$817,900
Median property tax$1,331$1,840
Effective tax rate0.210%0.225%
Median gross rent$1,452$1,810
Population4,36073,610

The weather behind that power bill

Hanamaulu sits in Kauai County, which averages a high of 87.5°F in its hottest month and a low of 64.4°F in its coldest, with 17.84" of precipitation a year and 45% of it in a single three-month stretch. That climate drives 4,056 cooling and 0 heating degree days, which is what sets the $234 electricity line above.

See the full climate breakdown for Kauai County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Kauai County

Full Kauai County cost breakdown · Every county in Hawaii

Talk to someone who works this market

These are Hanamaulu averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Hanamaulu every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Hanamaulu I already own here and may sell

Common questions

How much does it cost to own a home in Hanamaulu?

A $635,000 home in Hanamaulu, Hawaii costs approximately $4,489 per month with 20% down at 7.24%. That is $3,462 principal and interest, $111 property tax, $85 homeowners insurance, $302 utilities and $529 set aside for maintenance.

What is the property tax rate in Hanamaulu?

Hanamaulu has an effective property tax rate of 0.210%, based on a median home value of $634,700 and median real estate taxes of $1,331. That is lower than the Kauai County average of 0.225%.

What is the average home price in Hanamaulu?

The median owner-occupied home value in Hanamaulu, Hawaii is $634,700, against $817,900 across Kauai County.

Is it cheaper to rent or buy in Hanamaulu?

Median gross rent in Hanamaulu is $1,452 a month, against $4,489 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in Hanamaulu?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Hanamaulu, Hawaii at today's rate takes a household income of roughly $192,500 a year. That covers the full $4,489 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Hanamaulu, 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