Property Taxes in Upperco, Maryland
Median Upperco, Maryland effective property tax rate: 1.05%, significantly lower than the national median of 1.02%, and lower than the Maryland state median of 1.21%.
Median Upperco, Maryland home value: $398,700
Median annual Upperco, Maryland tax bill: $4,088, higher than the national median property tax bill of $2,400.
How are property taxes in Carroll calculated?
Property taxes in Upperco, Maryland are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.
Understanding Upperco's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Upperco, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Upperco Property Tax Calculator Work?
Use this Upperco property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Upperco's median effective tax rate of 1.05% — based on actual property records in Carroll County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Upperco's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.
Your bill may vary by ZIP code within Upperco: rates range from 1.05% in 21155 to 1.05% in 21155, primarily due to differences in school district levies and local assessment districts.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Upperco.
About Upperco Property Taxes
About Property Taxes in Upperco, Carroll, Maryland
Upperco’s median effective property tax rate of 1.05% is higher than the Maryland state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Carroll County base levy combined with local school district levies and special taxing districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Upperco. Homeowners in the 21155 ZIP code carry a median effective rate of 1.05%, while those in the same ZIP code pay 1.05%. This spread reflects how school district boundaries and local assessment districts are drawn across Carroll County. Understanding which part of Upperco you live in can make a meaningful difference to your annual tax bill.
Upperco homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the February 13, 2026 deadline each year.
If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.
Property Tax Rates Across Upperco, Carroll County, Maryland
As noted earlier, local government entities set tax rates, which can vary widely within a state.
Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.
While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.
Below, you can compare Upperco's effective property tax rate to other cities in Maryland and the median property tax rates in Maryland and the U.S.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Upperco Tax Rate
1.05%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Carroll County Tax Rate
1.13%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Upperco, Carroll County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21155 | 0.97% | 1.01% | 1.05% | 1.07% | 1.10% |
Source: Ownwell
Property Tax Assessment Values Across Upperco, Carroll County, Maryland
When examining property taxes in Upperco, Maryland, understanding the distinction between "market value" and "assessed value" is crucial.
The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Carroll County assessment office estimates the market value for tax purposes.
The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.
Assessment notices:
In Carroll County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of December.
Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Upperco.
For example, the median home price in Upperco is $398,700, with tax bills ranging significantly across the county. 21155 has the highest median home price at $398,700.
Property Tax Assessment Values Across Upperco, Carroll County, Maryland
Source: Ownwell
$295,000
$383,575
$472,150
Median Upperco Market Value
$398,700
Median Carroll County Market Value
$368,200
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Upperco, Carroll County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21155 | $272,130 | $321,125 | $398,700 | $512,675 | $598,460 |
Source: Ownwell
Property Tax Bills Across Upperco, Carroll County, Maryland
Property tax bills in Upperco are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the county’s tax rate to that assessed value to determine the annual bill, so two homes with different assessments can owe very different amounts. For homeowners, this means a higher assessment can lead to a larger tax bill even if the home has not been sold.
In Upperco, the median home price is $398,700, and the median property tax bill is $4,088.00, which is above the national median property tax bill of $2,400. Bills can vary widely, with the 25th percentile at $3,404 and the 75th percentile at $5,112. The 90th percentile reaches $5,977, showing how much assessments and local rates can affect what homeowners pay each year.
Median Upperco Tax Bill
$4,088
Median Carroll County Tax Bill
$4,060
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Upperco, Carroll County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21155 | $2,843 | $3,404 | $4,088 | $5,112 | $5,977 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Carroll Tax Assessor | |
| Website | sdat.dat.maryland.gov |