Cost to Own
United StatesMarylandMontgomery CountyGermantown Population 90,521 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Germantown, Maryland

A $401,000 home here costs

$3,046

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

A standard mortgage calculator would have told you $2,062. The real number is $984 higher every month — 48% more than the payment most buyers budget for.

Germantown median: $401,400
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, $320,800 borrowed $2,062
Property tax0.856% effective rate for Germantown itself $286
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $100
Electricity21.77¢/kWh — Maryland residential average, EIA $196
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $334
Total monthly $3,046

Germantown against Montgomery County and Maryland

MeasureGermantownMontgomery County
Median home value$401,400$615,200
Median property tax$3,436$5,341
Effective tax rate0.856%0.868%
Median gross rent$1,978$2,030
Population90,5211,057,586

The weather behind that power bill

Germantown sits in Montgomery County, which averages a high of 87.1°F in its hottest month and a low of 26.9°F in its coldest, with 41.32" of precipitation a year and 28% of it in a single three-month stretch. That climate drives 1,279 cooling and 4,455 heating degree days, which is what sets the $196 electricity line above.

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

Other cities in Montgomery County

Full Montgomery County cost breakdown · Every county in Maryland

Common questions

How much does it cost to own a home in Germantown?

A $401,000 home in Germantown, Maryland costs approximately $3,046 per month with 20% down at 6.66%. That is $2,062 principal and interest, $286 property tax, $100 homeowners insurance, $264 utilities and $334 set aside for maintenance.

What is the property tax rate in Germantown?

Germantown has an effective property tax rate of 0.856%, based on a median home value of $401,400 and median real estate taxes of $3,436. That is lower than the Montgomery County average of 0.868%.

What is the average home price in Germantown?

The median owner-occupied home value in Germantown, Maryland is $401,400, against $615,200 across Montgomery County.

Is it cheaper to rent or buy in Germantown?

Median gross rent in Germantown is $1,978 a month, against $3,046 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 Germantown — 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