Total monthly cost of ownership
Cost to Own a Home in Triangle, Virginia
A $520,000 home here costs
$3,852per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,673. The real number is $1,178 higher every month — 44% 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.
Triangle against Prince William County and Virginia
| Measure | Triangle | Prince William County |
|---|---|---|
| Median home value | $520,400 | $500,600 |
| Median property tax | $4,694 | $4,910 |
| Effective tax rate | 0.902% | 0.981% |
| Median gross rent | $1,606 | $2,002 |
| Population | 11,265 | 484,625 |
The weather behind that power bill
Triangle sits in Prince William County, which averages a high of 88.0°F in its hottest month and a low of 28.3°F in its coldest, with 41.03" of precipitation a year and 30% of it in a single three-month stretch. That climate drives 1,512 cooling and 4,002 heating degree days, which is what sets the $158 electricity line above.
See the full climate breakdown for Prince William County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Prince William County
Full Prince William County cost breakdown · Every county in Virginia
Common questions
How much does it cost to own a home in Triangle?
A $520,000 home in Triangle, Virginia costs approximately $3,852 per month with 20% down at 6.66%. That is $2,673 principal and interest, $391 property tax, $128 homeowners insurance, $226 utilities and $433 set aside for maintenance.
What is the property tax rate in Triangle?
Triangle has an effective property tax rate of 0.902%, based on a median home value of $520,400 and median real estate taxes of $4,694. That is lower than the Prince William County average of 0.981%.
What is the average home price in Triangle?
The median owner-occupied home value in Triangle, Virginia is $520,400, against $500,600 across Prince William County.
Is it cheaper to rent or buy in Triangle?
Median gross rent in Triangle is $1,606 a month, against $3,852 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 Triangle — 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.