Cost to Own
United StatesVirginiaFairfax CountyIdylwood Population 17,469 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Idylwood, Virginia

A $708,000 home here costs

$5,279

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

A standard mortgage calculator would have told you $3,640. The real number is $1,639 higher every month — 45% more than the payment most buyers budget for.

Idylwood median: $708,400
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, $566,400 borrowed $3,640
Property tax1.099% effective rate for Idylwood itself $648
Homeowners insuranceVirginia averages $1,199/yr (NAIC), or 0.295% of home value $174
Electricity17.61¢/kWh — Virginia residential average, EIA $158
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $590
Total monthly $5,279

Idylwood against Fairfax County and Virginia

MeasureIdylwoodFairfax County
Median home value$708,400$699,700
Median property tax$7,783$7,072
Effective tax rate1.099%1.011%
Median gross rent$2,022$2,230
Population17,4691,144,474

The weather behind that power bill

Idylwood sits in Fairfax County, which averages a high of 83.8°F in its hottest month and a low of 23.4°F in its coldest, with 43.57" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 964 cooling and 4,931 heating degree days, which is what sets the $158 electricity line above.

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

Other cities in Fairfax County

Full Fairfax County cost breakdown · Every county in Virginia

Common questions

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

A $708,000 home in Idylwood, Virginia costs approximately $5,279 per month with 20% down at 6.66%. That is $3,640 principal and interest, $648 property tax, $174 homeowners insurance, $226 utilities and $590 set aside for maintenance.

What is the property tax rate in Idylwood?

Idylwood has an effective property tax rate of 1.099%, based on a median home value of $708,400 and median real estate taxes of $7,783. That is higher than the Fairfax County average of 1.011%.

What is the average home price in Idylwood?

The median owner-occupied home value in Idylwood, Virginia is $708,400, against $699,700 across Fairfax County.

Is it cheaper to rent or buy in Idylwood?

Median gross rent in Idylwood is $2,022 a month, against $5,279 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 Idylwood — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Virginia.
  • 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