Cost to Own
United StatesMarylandCharles CountyPotomac Heights Population 1,102 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Potomac Heights, Maryland

A $88,000 home here costs

$918

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

A standard mortgage calculator would have told you $452. The real number is $466 higher every month — 103% more than the payment most buyers budget for.

Potomac Heights median: $87,900
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, $70,400 borrowed $452
Property tax1.455% effective rate for Potomac Heights itself $107
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $22
Electricity21.77¢/kWh — Maryland residential average, EIA $196
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $73
Total monthly $918

Potomac Heights against Charles County and Maryland

MeasurePotomac HeightsCharles County
Median home value$87,900$402,300
Median property tax$1,279$4,179
Effective tax rate1.455%1.039%
Median gross rent$1,897
Population1,102168,710

The weather behind that power bill

Potomac Heights sits in Charles 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 $196 electricity line above.

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

Other cities in Charles County

Full Charles County cost breakdown · Every county in Maryland

Common questions

How much does it cost to own a home in Potomac Heights?

A $88,000 home in Potomac Heights, Maryland costs approximately $918 per month with 20% down at 6.66%. That is $452 principal and interest, $107 property tax, $22 homeowners insurance, $264 utilities and $73 set aside for maintenance.

What is the property tax rate in Potomac Heights?

Potomac Heights has an effective property tax rate of 1.455%, based on a median home value of $87,900 and median real estate taxes of $1,279. That is higher than the Charles County average of 1.039%.

What is the average home price in Potomac Heights?

The median owner-occupied home value in Potomac Heights, Maryland is $87,900, against $402,300 across Charles County.

Is it cheaper to rent or buy in Potomac Heights?

Rent data is not published for Potomac Heights at this level of detail.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Potomac Heights — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Maryland.
  • 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