Cost to Own
United States › Maryland › Montgomery County › Olney Population 36,000 Data vintage ACS 2023 5-Year Rates updated 2026-10-15
The part nobody budgets Even with the mortgage fully paid off, the median home here still costs $1,417 a month in taxes, insurance, utilities and upkeep. See the full Montgomery County picture

Total monthly cost of ownership

Cost to Own a Home in Olney, Maryland

A $632,000 home here costs

$4,918

per month, all in, with 20% down at today's 7.40% 30-year fixed rate. By the 28% rule that takes a household income of about $211,000 a year.

P&I 71%Tax 9%Insurance 3%Utilities 5%Upkeep 11%

A standard mortgage calculator would have told you $3,501. The real number is $1,417 higher every month, 40% more than the payment most buyers budget for.

Compare Montgomery County with anywhere in America · full county breakdown

Olney median: $632,400
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, $505,600 borrowed $3,501
Property tax0.884% effective rate for Olney itself $466
Homeowners insuranceMaryland averages $1,238/yr (NAIC), or 0.3% of home value $158
Electricity21.41ยข/kWh, Maryland residential average, EIA $199
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $527
Total monthly $4,918

Olney against Montgomery County and Maryland

MeasureOlneyMontgomery County
Median home value$632,400$615,200
Median property tax$5,591$5,341
Effective tax rate0.884%0.868%
Median gross rent$2,409$2,030
Population36,0001,057,586

The weather behind that power bill

Olney 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 $199 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

Talk to someone who works this market

These are Olney 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 Olney every week. Free, no obligation, and we never sell your details to a list.

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

Common questions

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

A $632,000 home in Olney, Maryland costs approximately $4,918 per month with 20% down at 7.4%. That is $3,501 principal and interest, $466 property tax, $158 homeowners insurance, $267 utilities and $527 set aside for maintenance.

What is the property tax rate in Olney?

Olney has an effective property tax rate of 0.884%, based on a median home value of $632,400 and median real estate taxes of $5,591. That is higher than the Montgomery County average of 0.868%.

What is the average home price in Olney?

The median owner-occupied home value in Olney, Maryland is $632,400, against $615,200 across Montgomery County.

Is it cheaper to rent or buy in Olney?

Median gross rent in Olney is $2,409 a month, against $4,918 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 Olney?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Olney, Maryland at today's rate takes a household income of roughly $211,000 a year. That covers the full $4,918 monthly cost, not just the mortgage payment.

Sources & methodology

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