Property Taxes in Grantsville, Maryland
Median Grantsville, Maryland effective property tax rate: 1.20%, significantly higher than the national median of 1.02%, and slightly lower than the Maryland state median of 1.21%.
Median Grantsville, Maryland home value: $122,450
Median annual Grantsville, Maryland tax bill: $1,471, $929 lower than the national median property tax bill of $2,400.
How are property taxes in Garrett calculated?
Property taxes in Grantsville, 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 Grantsville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grantsville, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Grantsville Property Tax Calculator Work?
Use this Grantsville property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Grantsville's median effective tax rate of 1.20% — based on actual property records in Garrett County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Grantsville'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 Grantsville: rates range from 1.20% in 21536 to 1.20% in 21536, 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 Grantsville.
About Grantsville Property Taxes
About Property Taxes in Grantsville, Garrett, Maryland
Grantsville's median effective property tax rate of 1.20% is higher than the Maryland state median of 1.21% and lower than the national median of 1.02%. This rate reflects the Garrett 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 Grantsville. Homeowners in the 21536 ZIP code carry a median effective rate of 1.20%, while those in the same ZIP code pay 1.20%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Garrett County. Understanding which part of Grantsville you live in can make a meaningful difference to your annual tax bill.
Grantsville homeowners who believe their assessed value is too high can file a formal appeal with the local 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 Grantsville, Garrett 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 Grantsville'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 Grantsville Tax Rate
1.20%
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 Garrett County Tax Rate
1.09%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Grantsville, Garrett County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21536 | 1.00% | 1.18% | 1.20% | 1.24% | 1.35% |
Source: Ownwell
Property Tax Assessment Values Across Grantsville, Garrett County, Maryland
When examining property taxes in Grantsville, 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 Garrett 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 Garrett County, assessment notices are sent in December 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 Grantsville.
For example, the median home price in Grantsville is $122,450, with tax bills ranging significantly across the county. 21536 has the highest median home price at $122,450.
Property Tax Assessment Values Across Grantsville, Garrett County, Maryland
Source: Ownwell
$41,000
$289,400
$537,800
Median Grantsville Market Value
$122,450
Median Garrett County Market Value
$186,500
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Grantsville, Garrett County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21536 | $49,250 | $82,600 | $122,450 | $175,050 | $253,250 |
Source: Ownwell
Property Tax Bills Across Grantsville, Garrett County, Maryland
Property tax bills in Grantsville are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. For homeowners, the bill depends on both the value of the home and the tax rate set for Garrett County and local taxing districts.
With a median home price of $122,450, many homeowners in Grantsville see tax bills that reflect a relatively modest property value compared with higher-priced areas. The 25th percentile tax bill is $998, while the 75th percentile is $2,069 and the 90th percentile is $2,939. The median tax bill in the 21536 ZIP code is $1,471.
These bills can have a meaningful impact on household budgets, especially when assessed values rise faster than expected. Understanding how the bill is determined can help homeowners see why their property taxes change from year to year and what portion of the bill comes from the home’s assessed value versus the local tax rate.
Median Grantsville Tax Bill
$1,471
Median Garrett County Tax Bill
$2,092
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Grantsville, Garrett County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21536 | $600 | $998 | $1,471 | $2,069 | $2,939 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Garrett Tax Assessor | |
| Website | sdat.dat.maryland.gov |