Cost to Own
United StatesMarylandCharles CountyLa Plata Population 10,470 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in La Plata, Maryland

A $405,000 home here costs

$3,177

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

A standard mortgage calculator would have told you $2,082. The real number is $1,095 higher every month — 53% more than the payment most buyers budget for.

La Plata median: $405,200
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, $324,000 borrowed $2,082
Property tax1.162% effective rate for La Plata itself $392
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $101
Electricity21.77¢/kWh — Maryland residential average, EIA $196
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $338
Total monthly $3,177

La Plata against Charles County and Maryland

MeasureLa PlataCharles County
Median home value$405,200$402,300
Median property tax$4,708$4,179
Effective tax rate1.162%1.039%
Median gross rent$1,483$1,897
Population10,470168,710

The weather behind that power bill

La Plata 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 La Plata?

A $405,000 home in La Plata, Maryland costs approximately $3,177 per month with 20% down at 6.66%. That is $2,082 principal and interest, $392 property tax, $101 homeowners insurance, $264 utilities and $338 set aside for maintenance.

What is the property tax rate in La Plata?

La Plata has an effective property tax rate of 1.162%, based on a median home value of $405,200 and median real estate taxes of $4,708. That is higher than the Charles County average of 1.039%.

What is the average home price in La Plata?

The median owner-occupied home value in La Plata, Maryland is $405,200, against $402,300 across Charles County.

Is it cheaper to rent or buy in La Plata?

Median gross rent in La Plata is $1,483 a month, against $3,177 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 La Plata — 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