Cost to Own
United StatesCaliforniaVentura CountyOak Park Population 13,656 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Oak Park, California

A $1,017,000 home here costs

$7,313

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

A standard mortgage calculator would have told you $5,228. The real number is $2,085 higher every month — 40% more than the payment most buyers budget for.

Oak Park median: $1,017,100
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, $813,600 borrowed $5,228
Property tax0.841% effective rate for Oak Park itself $713
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $158
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $848
Total monthly $7,313

Oak Park against Ventura County and California

MeasureOak ParkVentura County
Median home value$1,017,100$768,400
Median property tax$8,555$5,326
Effective tax rate0.841%0.693%
Median gross rent$3,150$2,248
Population13,656838,259

The weather behind that power bill

Oak Park sits in Ventura County, which averages a high of 79.6°F in its hottest month and a low of 43.8°F in its coldest, with 12.01" of precipitation a year and 65% of it in a single three-month stretch. That climate drives 643 cooling and 1,551 heating degree days, which is what sets the $299 electricity line above.

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

Other cities in Ventura County

Full Ventura County cost breakdown · Every county in California

Common questions

How much does it cost to own a home in Oak Park?

A $1,017,000 home in Oak Park, California costs approximately $7,313 per month with 20% down at 6.66%. That is $5,228 principal and interest, $713 property tax, $158 homeowners insurance, $367 utilities and $848 set aside for maintenance.

What is the property tax rate in Oak Park?

Oak Park has an effective property tax rate of 0.841%, based on a median home value of $1,017,100 and median real estate taxes of $8,555. That is higher than the Ventura County average of 0.693%.

What is the average home price in Oak Park?

The median owner-occupied home value in Oak Park, California is $1,017,100, against $768,400 across Ventura County.

Is it cheaper to rent or buy in Oak Park?

Median gross rent in Oak Park is $3,150 a month, against $7,313 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 Oak Park — 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