Total monthly cost of ownership
Cost to Own a Home in Carroll County, Maryland
A $406,000 home here costs
$3,212per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $2,087. The real number is $1,124 higher every month — 54% 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.
How Carroll County compares
Carroll County ranks 1,319th of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 1,814 counties and higher than in 1,318. Within Maryland it ranks 11th of 24.
The numbers behind this page
| Measure | Carroll County | Source |
|---|---|---|
| Median home value | $406,400 | ACS B25077 |
| Median real estate taxes paid | $3,837 | ACS B25103 |
| Effective property tax rate | 0.944% | Derived |
| Median gross rent | $1,370 | ACS B25064 |
| Occupied housing units | 63,487 | ACS B25003 |
| Population | 174,318 | ACS B01003 |
| Residential electricity price | 21.77¢/kWh | EIA 5.6.A |
| 30-year fixed mortgage rate | 6.66% | Freddie Mac PMMS |
Other counties in Maryland
Compare the cost of the same home elsewhere in the state.
Questions about owning here
What is the property tax rate in Carroll County?
The effective property tax rate in Carroll County, Maryland is 0.944% of home value per year. On the county's median home value of $406,400, that works out to about $3,837 annually, or $320 per month.
How much does it cost to own a home in Carroll County?
A $406,000 home in Carroll County, Maryland costs approximately $3,212 per month with 20% down at 6.66%. That breaks down as $2,087 principal and interest, $319 property tax, $203 insurance, $264 utilities and $338 set aside for maintenance.
Why is this higher than the payment my lender quoted?
Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $602 a month, which is why the real cost is 54% above the mortgage payment alone.
Is it cheaper to rent in Carroll County?
Median gross rent in Carroll County, Maryland is $1,370 per month, compared with $3,212 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.
How much is the electric bill in Carroll County?
Maryland residential electricity averages 21.77¢ per kWh. At the US average household usage of 899 kWh per month, that is about $196. Actual bills vary considerably with house size, insulation and climate.
Sources & methodology
- Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
- Effective property tax rate — median real estate taxes paid divided by median home value.
- Mortgage rate — Freddie Mac PMMS, updated weekly.
- Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
- Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.