Cost to Own
United StatesVirginiaFairfax city FIPS 51600 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Fairfax city, Virginia

A $677,000 home here costs

$5,142

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

A standard mortgage calculator would have told you $3,480. The real number is $1,662 higher every month — 48% more than the payment most buyers budget for.

County median: $677,400
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, $541,600 borrowed $3,480
Property tax0.944% effective rate — Fairfax city assessor via Census ACS $533
Homeowners insuranceEstimated at 0.60% of home value per year $339
Electricity17.61¢/kWh — Virginia residential average, EIA $158
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $564
Total monthly $5,142

How Fairfax city compares

Fairfax city ranks 1,320th of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 1,813 counties and higher than in 1,319. Within Virginia it ranks 13th of 133.

Fairfax city 0.944% 13% higher than national
Virginia average 0.671%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureFairfax citySource
Median home value$677,400ACS B25077
Median real estate taxes paid$6,392ACS B25103
Effective property tax rate0.944%Derived
Median gross rent$2,122ACS B25064
Occupied housing units9,158ACS B25003
Population24,478ACS B01003
Residential electricity price17.61¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Virginia

Compare the cost of the same home elsewhere in the state.

All 133 counties in Virginia

Questions about owning here

What is the property tax rate in Fairfax city?

The effective property tax rate in Fairfax city, Virginia is 0.944% of home value per year. On the county's median home value of $677,400, that works out to about $6,392 annually, or $533 per month.

How much does it cost to own a home in Fairfax city?

A $677,000 home in Fairfax city, Virginia costs approximately $5,142 per month with 20% down at 6.66%. That breaks down as $3,480 principal and interest, $533 property tax, $339 insurance, $226 utilities and $564 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $790 a month, which is why the real cost is 48% above the mortgage payment alone.

Is it cheaper to rent in Fairfax city?

Median gross rent in Fairfax city, Virginia is $2,122 per month, compared with $5,142 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in Fairfax city?

Virginia residential electricity averages 17.61¢ per kWh. At the US average household usage of 899 kWh per month, that is about $158. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology