Cost to Own
United StatesColoradoJefferson CountyFairmount Population 10,521 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Fairmount, Colorado

A $773,000 home here costs

$5,391

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

A standard mortgage calculator would have told you $3,974. The real number is $1,417 higher every month — 36% more than the payment most buyers budget for.

Fairmount median: $772,600
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, $618,400 borrowed $3,974
Property tax0.520% effective rate for Fairmount itself $335
Homeowners insuranceColorado averages $1,802/yr (NAIC), or 0.348% of home value $224
Electricity16.16¢/kWh — Colorado residential average, EIA $145
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $644
Total monthly $5,391

Fairmount against Jefferson County and Colorado

MeasureFairmountJefferson County
Median home value$772,600$604,400
Median property tax$4,020$2,867
Effective tax rate0.520%0.474%
Median gross rent$2,505$1,792
Population10,521579,715

The weather behind that power bill

Fairmount sits in Jefferson County, which averages a high of 81.2°F in its hottest month and a low of 12.5°F in its coldest, with 18.62" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 99 cooling and 7,467 heating degree days, which is what sets the $145 electricity line above.

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

Other cities in Jefferson County

Full Jefferson County cost breakdown · Every county in Colorado

Common questions

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

A $773,000 home in Fairmount, Colorado costs approximately $5,391 per month with 20% down at 6.66%. That is $3,974 principal and interest, $335 property tax, $224 homeowners insurance, $213 utilities and $644 set aside for maintenance.

What is the property tax rate in Fairmount?

Fairmount has an effective property tax rate of 0.520%, based on a median home value of $772,600 and median real estate taxes of $4,020. That is higher than the Jefferson County average of 0.474%.

What is the average home price in Fairmount?

The median owner-occupied home value in Fairmount, Colorado is $772,600, against $604,400 across Jefferson County.

Is it cheaper to rent or buy in Fairmount?

Median gross rent in Fairmount is $2,505 a month, against $5,391 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 Fairmount — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Colorado.
  • 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