Cost to Own
United StatesCaliforniaSan Joaquin CountyMountain House Population 25,108 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Mountain House, California

A $860,000 home here costs

$6,472

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

A standard mortgage calculator would have told you $4,421. The real number is $2,050 higher every month — 46% more than the payment most buyers budget for.

Mountain House median: $859,700
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, $688,000 borrowed $4,421
Property tax1.163% effective rate for Mountain House itself $833
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $133
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $717
Total monthly $6,472

Mountain House against San Joaquin County and California

MeasureMountain HouseSan Joaquin County
Median home value$859,700$494,500
Median property tax$10,001$3,782
Effective tax rate1.163%0.765%
Median gross rent$3,232$1,633
Population25,108787,416

The weather behind that power bill

Mountain House sits in San Joaquin County, which averages a high of 95.4°F in its hottest month and a low of 38.4°F in its coldest, with 13.45" of precipitation a year and 56% of it in a single three-month stretch. That climate drives 1,566 cooling and 2,259 heating degree days, which is what sets the $299 electricity line above.

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

Other cities in San Joaquin County

Full San Joaquin County cost breakdown · Every county in California

Common questions

How much does it cost to own a home in Mountain House?

A $860,000 home in Mountain House, California costs approximately $6,472 per month with 20% down at 6.66%. That is $4,421 principal and interest, $833 property tax, $133 homeowners insurance, $367 utilities and $717 set aside for maintenance.

What is the property tax rate in Mountain House?

Mountain House has an effective property tax rate of 1.163%, based on a median home value of $859,700 and median real estate taxes of $10,001. That is higher than the San Joaquin County average of 0.765%.

What is the average home price in Mountain House?

The median owner-occupied home value in Mountain House, California is $859,700, against $494,500 across San Joaquin County.

Is it cheaper to rent or buy in Mountain House?

Median gross rent in Mountain House is $3,232 a month, against $6,472 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 Mountain House — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for California.
  • 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