Property Taxes in Thurmont, Maryland
Median Thurmont, Maryland effective property tax rate: 1.18%, significantly higher than the national median of 1.02%, and lower than the Maryland state median of 1.21%.
Median Thurmont, Maryland home value: $304,100
Median annual Thurmont, Maryland tax bill: $3,459, $1,059 higher than the national median property tax bill of $2,400.
How are property taxes in Frederick calculated?
Property taxes in Thurmont, 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 Thurmont's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Thurmont, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Thurmont Property Tax Calculator Work?
Use this Thurmont property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Thurmont's median effective tax rate of 1.18% — based on actual property records in Frederick County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment office uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Thurmont'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 Thurmont: rates range from $3,459 in 21788 to $3,459 in 21788, primarily due to differences in school district levies and local assessment districts. Thurmont's median property tax rate is higher than Maryland's 1.21% state median and the median property tax bill is $1,059 higher than the state median.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Thurmont.
About Thurmont Property Taxes
About Property Taxes in Thurmont, Frederick, Maryland
Thurmont's median effective property tax rate of 1.18% is lower 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 Thurmont. Homeowners in the 21788 ZIP code carry a median effective rate of 1.18%, while those in the same ZIP code pay 1.18%. This spread reflects how school district boundaries and local assessment districts are drawn across Frederick County. Understanding which part of Thurmont you live in can make a meaningful difference to your annual tax bill.
Thurmont 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 Thurmont, 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 Thurmont'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 Thurmont Tax Rate
1.18%
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 Thurmont, Frederick County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21788 | 0.99% | 1.06% | 1.18% | 1.25% | 1.30% |
Source: Ownwell
Property Tax Assessment Values Across Thurmont, Frederick County, Maryland
When examining property taxes in Thurmont, 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 Frederick County appraisal district 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 Frederick County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Thurmont.
For example, the median home price in Thurmont is $304,100, with tax bills ranging significantly across the county. 21788 has the highest median home price at $304,100.
Property Tax Assessment Values Across Thurmont, Frederick County, Maryland
Source: Ownwell
$235,400
$376,075
$516,750
Median Thurmont Market Value
$304,100
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 Thurmont, Frederick County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21788 | $141,620 | $230,750 | $304,100 | $394,950 | $500,380 |
Source: Ownwell
Property Tax Bills Across Thurmont, Frederick County, Maryland
Property tax bills in Thurmont are based on the assessed value of a home and the local tax rate set for Frederick County. When a property’s market value rises, its assessed value can increase too, which may lead to a higher tax bill. For a home with a median market value of $304,100, the property tax burden can be significant, especially compared with the national median property tax bill of $2,400.
Homeowners in Thurmont typically see bills that reflect both the value of their property and the tax rules applied locally. The 25th percentile tax bill is $2,653, while the 75th percentile reaches $4,499, and the 90th percentile climbs to $5,565. In ZIP code 21788, the median tax bill is $3,459. These amounts show how much property taxes can vary even within the same city, affecting monthly housing costs and long-term affordability for homeowners.
Median Thurmont Tax Bill
$3,459
Median Frederick County Tax Bill
$4,845
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Thurmont, Frederick County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21788 | $1,414 | $2,653 | $3,459 | $4,499 | $5,565 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Frederick Tax Assessor | |
| Website | sdat.dat.maryland.gov |