Total monthly cost of ownership
Cost to Own a Home in One Loudoun, Virginia
A $843,000 home here costs
$6,109per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $4,334. The real number is $1,775 higher every month — 41% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
One Loudoun against Loudoun County and Virginia
| Measure | One Loudoun | Loudoun County |
|---|---|---|
| Median home value | $843,000 | $701,000 |
| Median property tax | $7,669 | $6,186 |
| Effective tax rate | 0.910% | 0.882% |
| Median gross rent | $3,501 | $2,317 |
| Population | 3,126 | 427,082 |
The weather behind that power bill
One Loudoun 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 One Loudoun?
A $843,000 home in One Loudoun, Virginia costs approximately $6,109 per month with 20% down at 6.66%. That is $4,334 principal and interest, $639 property tax, $207 homeowners insurance, $226 utilities and $703 set aside for maintenance.
What is the property tax rate in One Loudoun?
One Loudoun has an effective property tax rate of 0.910%, based on a median home value of $843,000 and median real estate taxes of $7,669. That is higher than the Loudoun County average of 0.882%.
What is the average home price in One Loudoun?
The median owner-occupied home value in One Loudoun, Virginia is $843,000, against $701,000 across Loudoun County.
Is it cheaper to rent or buy in One Loudoun?
Median gross rent in One Loudoun is $3,501 a month, against $6,109 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 One Loudoun — 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.