Cost to Own
United StatesCaliforniaLos Angeles CountySouth Monrovia Island Population 7,072 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in South Monrovia Island, California

A $661,000 home here costs

$4,758

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

A standard mortgage calculator would have told you $3,398. The real number is $1,360 higher every month — 40% more than the payment most buyers budget for.

South Monrovia Island median: $660,800
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, $528,800 borrowed $3,398
Property tax0.617% effective rate for South Monrovia Island itself $340
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $102
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $551
Total monthly $4,758

South Monrovia Island against Los Angeles County and California

MeasureSouth Monrovia IslandLos Angeles County
Median home value$660,800$783,300
Median property tax$4,080$5,438
Effective tax rate0.617%0.694%
Median gross rent$1,985$1,893
Population7,0729,848,406

The weather behind that power bill

South Monrovia Island sits in Los Angeles County, which averages a high of 88.9°F in its hottest month and a low of 44.2°F in its coldest, with 13.91" of precipitation a year and 67% of it in a single three-month stretch. That climate drives 1,481 cooling and 1,400 heating degree days, which is what sets the $299 electricity line above.

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

Other cities in Los Angeles County

Full Los Angeles County cost breakdown · Every county in California

Common questions

How much does it cost to own a home in South Monrovia Island?

A $661,000 home in South Monrovia Island, California costs approximately $4,758 per month with 20% down at 6.66%. That is $3,398 principal and interest, $340 property tax, $102 homeowners insurance, $367 utilities and $551 set aside for maintenance.

What is the property tax rate in South Monrovia Island?

South Monrovia Island has an effective property tax rate of 0.617%, based on a median home value of $660,800 and median real estate taxes of $4,080. That is lower than the Los Angeles County average of 0.694%.

What is the average home price in South Monrovia Island?

The median owner-occupied home value in South Monrovia Island, California is $660,800, against $783,300 across Los Angeles County.

Is it cheaper to rent or buy in South Monrovia Island?

Median gross rent in South Monrovia Island is $1,985 a month, against $4,758 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 South Monrovia Island — 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