Cost to Own
United StatesVirginiaLoudoun CountySouth Riding Population 34,200 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in South Riding, Virginia

A $689,000 home here costs

$5,007

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

A standard mortgage calculator would have told you $3,542. The real number is $1,465 higher every month — 41% more than the payment most buyers budget for.

South Riding median: $689,400
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, $551,200 borrowed $3,542
Property tax0.862% effective rate for South Riding itself $495
Homeowners insuranceVirginia averages $1,199/yr (NAIC), or 0.295% of home value $169
Electricity17.61¢/kWh — Virginia residential average, EIA $158
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $574
Total monthly $5,007

South Riding against Loudoun County and Virginia

MeasureSouth RidingLoudoun County
Median home value$689,400$701,000
Median property tax$5,943$6,186
Effective tax rate0.862%0.882%
Median gross rent$2,853$2,317
Population34,200427,082

The weather behind that power bill

South Riding sits in Loudoun County, which averages a high of 86.4°F in its hottest month and a low of 24.5°F in its coldest, with 43.78" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 1,050 cooling and 4,943 heating degree days, which is what sets the $158 electricity line above.

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

Other cities in Loudoun County

Full Loudoun County cost breakdown · Every county in Virginia

Common questions

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

A $689,000 home in South Riding, Virginia costs approximately $5,007 per month with 20% down at 6.66%. That is $3,542 principal and interest, $495 property tax, $169 homeowners insurance, $226 utilities and $574 set aside for maintenance.

What is the property tax rate in South Riding?

South Riding has an effective property tax rate of 0.862%, based on a median home value of $689,400 and median real estate taxes of $5,943. That is lower than the Loudoun County average of 0.882%.

What is the average home price in South Riding?

The median owner-occupied home value in South Riding, Virginia is $689,400, against $701,000 across Loudoun County.

Is it cheaper to rent or buy in South Riding?

Median gross rent in South Riding is $2,853 a month, against $5,007 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 Riding — 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