Cost to Own
United StatesMarylandMontgomery CountyDarnestown Population 6,835 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Darnestown, Maryland

A $908,000 home here costs

$6,625

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

A standard mortgage calculator would have told you $4,668. The real number is $1,957 higher every month — 42% more than the payment most buyers budget for.

Darnestown median: $908,400
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, $726,400 borrowed $4,668
Property tax0.938% effective rate for Darnestown itself $710
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $227
Electricity21.77¢/kWh — Maryland residential average, EIA $196
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $757
Total monthly $6,625

Darnestown against Montgomery County and Maryland

MeasureDarnestownMontgomery County
Median home value$908,400$615,200
Median property tax$8,524$5,341
Effective tax rate0.938%0.868%
Median gross rent$3,501$2,030
Population6,8351,057,586

The weather behind that power bill

Darnestown 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 Darnestown?

A $908,000 home in Darnestown, Maryland costs approximately $6,625 per month with 20% down at 6.66%. That is $4,668 principal and interest, $710 property tax, $227 homeowners insurance, $264 utilities and $757 set aside for maintenance.

What is the property tax rate in Darnestown?

Darnestown has an effective property tax rate of 0.938%, based on a median home value of $908,400 and median real estate taxes of $8,524. That is higher than the Montgomery County average of 0.868%.

What is the average home price in Darnestown?

The median owner-occupied home value in Darnestown, Maryland is $908,400, against $615,200 across Montgomery County.

Is it cheaper to rent or buy in Darnestown?

Median gross rent in Darnestown is $3,501 a month, against $6,625 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 Darnestown — 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