Cost to Own
United States › California › Contra Costa County › Oakley Population 44,311 Data vintage ACS 2023 5-Year Rates updated 2026-10-29
Before you budget for Oakley FEMA rates natural hazard risk in Contra Costa County Very High, with earthquake its highest-ranked hazard against other US counties. It shapes what insurers charge here. See what threatens homes in this county

Total monthly cost of ownership

Cost to Own a Home in Oakley, California

A $633,000 home here costs

$4,812

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 $206,000 a year.

P&I 72%Tax 11%Insurance 2%Utilities 5%Upkeep 11%

A standard mortgage calculator would have told you $3,451. The real number is $1,361 higher every month, 39% more than the payment most buyers budget for.

Compare Contra Costa County with anywhere in America · full county breakdown

Oakley median: $632,800
Under 20% adds PMI
Freddie Mac PMMS
CA 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, $506,400 borrowed $3,451
Property tax0.982% effective rate for Oakley itself $518
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $98
Electricity29.75ยข/kWh, California residential average, EIA $150
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $528
Total monthly $4,812

Oakley against Contra Costa County and California

MeasureOakleyContra Costa County
Median home value$632,800$830,800
Median property tax$6,216$6,903
Effective tax rate0.982%0.831%
Median gross rent$2,031$2,322
Population44,3111,161,458

The weather behind that power bill

Oakley sits in Contra Costa County, which averages a high of 82.8°F in its hottest month and a low of 41.3°F in its coldest, with 26.05" of precipitation a year and 58% of it in a single three-month stretch. That climate drives 926 cooling and 3,309 heating degree days, which is what sets the $150 electricity line above.

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

Other cities in Contra Costa County

Full Contra Costa County cost breakdown · Every county in California

Talk to someone who works this market

These are Oakley 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 Oakley every week. Free, no obligation, and we never sell your details to a list.

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

Common questions

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

A $633,000 home in Oakley, California costs approximately $4,812 per month with 20% down at 7.24%. That is $3,451 principal and interest, $518 property tax, $98 homeowners insurance, $218 utilities and $528 set aside for maintenance.

What is the property tax rate in Oakley?

Oakley has an effective property tax rate of 0.982%, based on a median home value of $632,800 and median real estate taxes of $6,216. That is higher than the Contra Costa County average of 0.831%.

What is the average home price in Oakley?

The median owner-occupied home value in Oakley, California is $632,800, against $830,800 across Contra Costa County.

Is it cheaper to rent or buy in Oakley?

Median gross rent in Oakley is $2,031 a month, against $4,812 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 Oakley?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Oakley, California at today's rate takes a household income of roughly $206,000 a year. That covers the full $4,812 monthly cost, not just the mortgage payment.

Sources & methodology

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