Cost to Own
United StatesCaliforniaSacramento CountyRosemont Population 23,448 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Rosemont, California

A $436,000 home here costs

$3,276

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

A standard mortgage calculator would have told you $2,241. The real number is $1,034 higher every month — 46% more than the payment most buyers budget for.

Rosemont median: $436,400
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, $348,800 borrowed $2,241
Property tax0.651% effective rate for Rosemont itself $237
Homeowners insuranceCalifornia averages $1,403/yr (NAIC), or 0.186% of home value $68
Electricity33.25¢/kWh — California residential average, EIA $299
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $363
Total monthly $3,276

Rosemont against Sacramento County and California

MeasureRosemontSacramento County
Median home value$436,400$498,900
Median property tax$2,841$3,768
Effective tax rate0.651%0.755%
Median gross rent$1,719$1,702
Population23,4481,584,047

The weather behind that power bill

Rosemont sits in Sacramento County, which averages a high of 94.4°F in its hottest month and a low of 40.7°F in its coldest, with 19.2" of precipitation a year and 57% of it in a single three-month stretch. That climate drives 1,576 cooling and 2,139 heating degree days, which is what sets the $299 electricity line above.

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

Other cities in Sacramento County

Full Sacramento County cost breakdown · Every county in California

Common questions

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

A $436,000 home in Rosemont, California costs approximately $3,276 per month with 20% down at 6.66%. That is $2,241 principal and interest, $237 property tax, $68 homeowners insurance, $367 utilities and $363 set aside for maintenance.

What is the property tax rate in Rosemont?

Rosemont has an effective property tax rate of 0.651%, based on a median home value of $436,400 and median real estate taxes of $2,841. That is lower than the Sacramento County average of 0.755%.

What is the average home price in Rosemont?

The median owner-occupied home value in Rosemont, California is $436,400, against $498,900 across Sacramento County.

Is it cheaper to rent or buy in Rosemont?

Median gross rent in Rosemont is $1,719 a month, against $3,276 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 Rosemont — 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