Property Taxes in Mount Airy, Maryland
Median Mount Airy, Maryland effective property tax rate: 1.24%, significantly higher than the national median of 1.02%, and higher than the Maryland state median of 1.21%.
Median Mount Airy, Maryland home value: $437,800
Median annual Mount Airy, Maryland tax bill: $5,322, $2,922 higher than the national median property tax bill of $2,400.
How are property taxes in Frederick calculated?
Property taxes in Mount Airy, 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 Mount Airy’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Mount Airy, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Mount Airy Property Tax Calculator Work?
Use this Mount Airy property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Mount Airy's median effective tax rate of 1.24% — based on actual property records in Frederick County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment 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 Mount Airy'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 Mount Airy: rates range from 1.24% in 21771 to 1.24% in 21771, 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 Mount Airy.
About Mount Airy Property Taxes
About Property Taxes in Mount Airy, Frederick, Maryland
Mount Airy’s median effective property tax rate of 1.24% is higher than the Maryland state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Frederick 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 Mount Airy. Homeowners in the 21771 ZIP code carry a median effective rate of 1.24%, while those in the same ZIP code also pay 1.24%. This reflects how school district boundaries and local assessment districts are drawn across Frederick County. Understanding which part of Mount Airy you live in can make a meaningful difference to your annual tax bill.
Mount Airy homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before February 13, 2026.
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 Mount Airy, Frederick 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 Mount Airy'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 Mount Airy Tax Rate
1.24%
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 Frederick County Tax Rate
1.23%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Mount Airy, Frederick County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21771 | 1.12% | 1.21% | 1.24% | 1.26% | 1.42% |
Source: Ownwell
Property Tax Assessment Values Across Mount Airy, Frederick County, Maryland
When examining property taxes in Mount Airy, 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. Frederick County 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 are sent in the spring each year and typically reach your mailbox by the middle of March. 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.
For example, the median home price in Mount Airy is $437,800, with tax bills ranging significantly across Frederick County. ZIP code 21771 has the highest median home price at $437,800.
Property Tax Assessment Values Across Mount Airy, Frederick County, Maryland
Source: Ownwell
$235,400
$376,075
$516,750
Median Mount Airy Market Value
$437,800
Median Frederick County Market Value
$378,800
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Mount Airy, Frederick County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21771 | $278,660 | $347,475 | $437,800 | $542,025 | $643,920 |
Source: Ownwell
Property Tax Bills Across Mount Airy, Frederick County, Maryland
Property tax bills in Mount Airy are based on the assessed value of a home and the local tax rate set by Frederick County and other taxing authorities. When a property’s market value changes, the assessed value can change too, which can raise or lower the bill. Homeowners with higher-value properties generally pay more because the tax bill is tied to the value of the home rather than the amount of income a household earns.
The median home price in Mount Airy is $437,800, and the median property tax bill is $5,322. That is well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. Bills can vary widely, with the 25th percentile at $4,373 and the 75th percentile at $6,709, while the 90th percentile reaches $7,888. For homeowners, this means property taxes can be a major ongoing housing cost, especially when assessed values rise faster than expected.
Median Mount Airy Tax Bill
$5,322
Median Frederick County Tax Bill
$4,845
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Mount Airy, Frederick County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21771 | $3,558 | $4,373 | $5,322 | $6,709 | $7,888 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Frederick Tax Assessor | |
| Website | sdat.dat.maryland.gov |