Cost to Own
United StatesMarylandPrince George's CountyNational Harbor Population 4,418 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in National Harbor, Maryland

A $462,000 home here costs

$3,534

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

A standard mortgage calculator would have told you $2,375. The real number is $1,159 higher every month — 49% more than the payment most buyers budget for.

National Harbor median: $462,000
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, $369,600 borrowed $2,375
Property tax1.025% effective rate for National Harbor itself $395
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $116
Electricity21.77¢/kWh — Maryland residential average, EIA $196
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $385
Total monthly $3,534

National Harbor against Prince George's County and Maryland

MeasureNational HarborPrince George's County
Median home value$462,000$404,300
Median property tax$4,736$4,662
Effective tax rate1.025%1.153%
Median gross rent$2,293$1,761
Population4,418955,584

The weather behind that power bill

National Harbor sits in Prince George's County, which averages a high of 88.0°F in its hottest month and a low of 24.7°F in its coldest, with 45.01" of precipitation a year and 29% of it in a single three-month stretch. That climate drives 1,284 cooling and 4,546 heating degree days, which is what sets the $196 electricity line above.

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

Other cities in Prince George's County

Full Prince George's County cost breakdown · Every county in Maryland

Common questions

How much does it cost to own a home in National Harbor?

A $462,000 home in National Harbor, Maryland costs approximately $3,534 per month with 20% down at 6.66%. That is $2,375 principal and interest, $395 property tax, $116 homeowners insurance, $264 utilities and $385 set aside for maintenance.

What is the property tax rate in National Harbor?

National Harbor has an effective property tax rate of 1.025%, based on a median home value of $462,000 and median real estate taxes of $4,736. That is lower than the Prince George's County average of 1.153%.

What is the average home price in National Harbor?

The median owner-occupied home value in National Harbor, Maryland is $462,000, against $404,300 across Prince George's County.

Is it cheaper to rent or buy in National Harbor?

Median gross rent in National Harbor is $2,293 a month, against $3,534 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 National Harbor — 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