Cost to Own
United StatesCaliforniaSan Diego CountyHarmony Grove Population 2,044 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Harmony Grove, California

A $1,040,000 home here costs

$7,575

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

A standard mortgage calculator would have told you $5,347. The real number is $2,229 higher every month — 42% more than the payment most buyers budget for.

Harmony Grove median: $1,039,900
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, $832,000 borrowed $5,347
Property tax0.962% effective rate for Harmony Grove itself $834
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $161
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $867
Total monthly $7,575

Harmony Grove against San Diego County and California

MeasureHarmony GroveSan Diego County
Median home value$1,039,900$791,600
Median property tax$10,001$5,542
Effective tax rate0.962%0.700%
Median gross rent$3,501$2,154
Population2,0443,282,782

The weather behind that power bill

Harmony Grove sits in San Diego County, which averages a high of 90.8°F in its hottest month and a low of 35.6°F in its coldest, with 14.65" of precipitation a year and 62% of it in a single three-month stretch. That climate drives 957 cooling and 2,329 heating degree days, which is what sets the $299 electricity line above.

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

Other cities in San Diego County

Full San Diego County cost breakdown · Every county in California

Common questions

How much does it cost to own a home in Harmony Grove?

A $1,040,000 home in Harmony Grove, California costs approximately $7,575 per month with 20% down at 6.66%. That is $5,347 principal and interest, $834 property tax, $161 homeowners insurance, $367 utilities and $867 set aside for maintenance.

What is the property tax rate in Harmony Grove?

Harmony Grove has an effective property tax rate of 0.962%, based on a median home value of $1,039,900 and median real estate taxes of $10,001. That is higher than the San Diego County average of 0.700%.

What is the average home price in Harmony Grove?

The median owner-occupied home value in Harmony Grove, California is $1,039,900, against $791,600 across San Diego County.

Is it cheaper to rent or buy in Harmony Grove?

Median gross rent in Harmony Grove is $3,501 a month, against $7,575 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 Harmony Grove — 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