Cost to Own
United StatesMarylandMontgomery CountyDerwood Population 1,830 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Derwood, Maryland

A $633,000 home here costs

$4,694

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

A standard mortgage calculator would have told you $3,254. The real number is $1,440 higher every month — 44% more than the payment most buyers budget for.

Derwood median: $633,200
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, $506,400 borrowed $3,254
Property tax0.929% effective rate for Derwood itself $490
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $158
Electricity21.77¢/kWh — Maryland residential average, EIA $196
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $528
Total monthly $4,694

Derwood against Montgomery County and Maryland

MeasureDerwoodMontgomery County
Median home value$633,200$615,200
Median property tax$5,882$5,341
Effective tax rate0.929%0.868%
Median gross rent$2,200$2,030
Population1,8301,057,586

The weather behind that power bill

Derwood 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 Derwood?

A $633,000 home in Derwood, Maryland costs approximately $4,694 per month with 20% down at 6.66%. That is $3,254 principal and interest, $490 property tax, $158 homeowners insurance, $264 utilities and $528 set aside for maintenance.

What is the property tax rate in Derwood?

Derwood has an effective property tax rate of 0.929%, based on a median home value of $633,200 and median real estate taxes of $5,882. That is higher than the Montgomery County average of 0.868%.

What is the average home price in Derwood?

The median owner-occupied home value in Derwood, Maryland is $633,200, against $615,200 across Montgomery County.

Is it cheaper to rent or buy in Derwood?

Median gross rent in Derwood is $2,200 a month, against $4,694 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 Derwood — 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