Cost to Own
United States › Maryland › Anne Arundel County › Arnold Population 23,866 Data vintage ACS 2023 5-Year Rates updated 2026-10-22
The part nobody budgets Even with the mortgage fully paid off, the median home here still costs $1,213 a month in taxes, insurance, utilities and upkeep. See the full Anne Arundel County picture

Total monthly cost of ownership

Cost to Own a Home in Arnold, Maryland

A $548,000 home here costs

$4,224

per month, all in, with 20% down at today's 7.32% 30-year fixed rate. By the 28% rule that takes a household income of about $181,000 a year.

P&I 71%Tax 8%Insurance 3%Utilities 6%Upkeep 11%

A standard mortgage calculator would have told you $3,012. The real number is $1,213 higher every month, 40% more than the payment most buyers budget for.

Compare Anne Arundel County with anywhere in America · full county breakdown

Arnold median: $547,800
Under 20% adds PMI
Freddie Mac PMMS
MD 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, $438,400 borrowed $3,012
Property tax0.771% effective rate for Arnold itself $352
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $137
Electricity21.4ยข/kWh, Maryland residential average, EIA $199
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $457
Total monthly $4,224

Arnold against Anne Arundel County and Maryland

MeasureArnoldAnne Arundel County
Median home value$547,800$450,300
Median property tax$4,221$3,836
Effective tax rate0.771%0.852%
Median gross rent$2,177$1,990
Population23,866590,936

The weather behind that power bill

Arnold sits in Anne Arundel County, which averages a high of 86.0°F in its hottest month and a low of 29.8°F in its coldest, with 43.99" of precipitation a year and 33% of it in a single three-month stretch. That climate drives 1,436 cooling and 4,062 heating degree days, which is what sets the $199 electricity line above.

See the full climate breakdown for Anne Arundel County , month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Anne Arundel County

Full Anne Arundel County cost breakdown · Every county in Maryland

Talk to someone who works this market

These are Arnold averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Arnold every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Arnold I already own here and may sell

Common questions

How much does it cost to own a home in Arnold?

A $548,000 home in Arnold, Maryland costs approximately $4,224 per month with 20% down at 7.32%. That is $3,012 principal and interest, $352 property tax, $137 homeowners insurance, $267 utilities and $457 set aside for maintenance.

What is the property tax rate in Arnold?

Arnold has an effective property tax rate of 0.771%, based on a median home value of $547,800 and median real estate taxes of $4,221. That is lower than the Anne Arundel County average of 0.852%.

What is the average home price in Arnold?

The median owner-occupied home value in Arnold, Maryland is $547,800, against $450,300 across Anne Arundel County.

Is it cheaper to rent or buy in Arnold?

Median gross rent in Arnold is $2,177 a month, against $4,224 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in Arnold?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Arnold, Maryland at today's rate takes a household income of roughly $181,000 a year. That covers the full $4,224 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Arnold, 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