Total monthly cost of ownership
Cost to Own a Home in Adelphi, Maryland
A $402,000 home here costs
$3,131per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,067. The real number is $1,065 higher every month — 52% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Adelphi against Prince George's County and Maryland
| Measure | Adelphi | Prince George's County |
|---|---|---|
| Median home value | $401,700 | $404,300 |
| Median property tax | $4,381 | $4,662 |
| Effective tax rate | 1.091% | 1.153% |
| Median gross rent | $1,757 | $1,761 |
| Population | 17,210 | 955,584 |
The weather behind that power bill
Adelphi 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 Adelphi?
A $402,000 home in Adelphi, Maryland costs approximately $3,131 per month with 20% down at 6.66%. That is $2,067 principal and interest, $365 property tax, $101 homeowners insurance, $264 utilities and $335 set aside for maintenance.
What is the property tax rate in Adelphi?
Adelphi has an effective property tax rate of 1.091%, based on a median home value of $401,700 and median real estate taxes of $4,381. That is lower than the Prince George's County average of 1.153%.
What is the average home price in Adelphi?
The median owner-occupied home value in Adelphi, Maryland is $401,700, against $404,300 across Prince George's County.
Is it cheaper to rent or buy in Adelphi?
Median gross rent in Adelphi is $1,757 a month, against $3,131 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 Adelphi — 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.