Carroll County, Maryland Property Taxes
Median Carroll County effective property tax rate: 1.10%, slightly higher than the national median of 1.02%.
Median Carroll County home value: $347,000
Median annual Carroll County tax bill: $3,882, $1,482 higher than the national median property tax bill of $2,400.
How are property taxes in Carroll County calculated?
Property taxes in Carroll County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Westminster or another part of Carroll County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Carroll County, Maryland Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.1%
Estimate Property Tax Bill
$3,817
$3,542
Property Tax Rates Across Carroll County, Maryland
Local government entities set tax rates, which can vary widely within a state. This is because each county annually estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction, resulting 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.
In Carroll County, Maryland, the effective property tax rate is 1.10%, slightly above the national median rate of 1.02%. This means that homeowners in Carroll County may face higher property tax bills compared to the national average. However, within Maryland, rates can fluctuate. For instance, Taneytown boasts the highest median tax rate in the county at 1.50%, while Finksburg offers a more favorable rate of 0.97%.
Comparing Carroll County's effective property tax rate to other counties in Maryland or the U.S. median property tax rate can provide valuable insights for homeowners. Understanding these differences can help residents make informed decisions regarding property investments and potential savings through tax appeals or exemptions.
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
1.10%
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 Maryland Tax Rate
1.06%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Carroll County, Maryland
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Eldersburg | N/A | N/A | N/A | N/A | N/A |
Finksburg | 0.91% | 0.94% | 0.97% | 1.00% | 1.03% |
Hampstead | 0.97% | 1.00% | 1.04% | 1.18% | 1.22% |
Keymar | 1.13% | 1.13% | 1.13% | 1.13% | 1.13% |
Lineboro | 0.92% | 0.95% | 0.99% | 1.02% | 1.04% |
Manchester | 0.93% | 0.97% | 1.03% | 1.16% | 1.19% |
Marriottsville | 1.07% | 1.09% | 1.09% | 1.10% | 1.10% |
Mount Airy | 1.06% | 1.08% | 1.11% | 1.25% | 1.26% |
New Windsor | 1.07% | 1.10% | 1.12% | 1.33% | 1.36% |
Reisterstown | 0.91% | 0.95% | 0.98% | 1.00% | 1.03% |
Sykesville | 1.05% | 1.07% | 1.09% | 1.10% | 1.35% |
Taneytown | 1.13% | 1.13% | 1.50% | 1.50% | 1.50% |
Union Bridge | 1.13% | 1.13% | 1.13% | 1.48% | 1.48% |
Upperco | 0.95% | 0.97% | 1.00% | 1.01% | 1.05% |
Westminster | 0.97% | 1.02% | 1.13% | 1.69% | 1.69% |
Woodbine | 1.04% | 1.06% | 1.08% | 1.10% | 1.11% |
Source: Ownwell
Property Tax Assessment Values Across Carroll County, Maryland
Property Tax Assessment Values Across Carroll County, Maryland
Source: Ownwell

$231,600
$351,650
$471,700
Median Carroll County Market Value
$347,000
Median Maryland Market Value
$317,700
Median United States Market Value
$235,294
Property Tax Assessment Values Across Carroll County, Maryland
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Eldersburg | N/A | N/A | N/A | N/A | N/A |
Finksburg | $293,750 | $342,725 | $418,700 | $572,900 | $712,550 |
Hampstead | $200,000 | $250,200 | $318,000 | $396,400 | $500,360 |
Keymar | $157,900 | $200,750 | $260,800 | $320,600 | $412,760 |
Lineboro | $206,710 | $257,400 | $309,950 | $373,075 | $448,110 |
Manchester | $247,000 | $296,000 | $369,600 | $450,300 | $523,170 |
Marriottsville | $338,380 | $390,700 | $471,700 | $550,600 | $627,140 |
Mount Airy | $263,600 | $332,700 | $418,000 | $558,600 | $659,600 |
New Windsor | $212,160 | $267,600 | $323,500 | $391,300 | $488,100 |
Reisterstown | $341,380 | $367,400 | $414,700 | $536,250 | $651,940 |
Sykesville | $265,000 | $318,200 | $387,000 | $488,300 | $591,400 |
Taneytown | $141,870 | $208,925 | $262,750 | $325,900 | $379,560 |
Union Bridge | $141,720 | $180,600 | $231,600 | $301,600 | $377,180 |
Upperco | $271,600 | $320,350 | $397,200 | $511,900 | $587,300 |
Westminster | $184,590 | $235,700 | $315,900 | $408,050 | $510,710 |
Woodbine | $288,880 | $340,775 | $421,800 | $536,625 | $651,880 |
Source: Ownwell
Property Tax Bills Across Carroll County, Maryland
In Carroll County, MD, property tax bills are determined by multiplying the assessed value of a home by the local tax rate. The assessed value typically reflects the market value of the property, and the local tax rate is set by the county authorities. Homeowners in Carroll County experience a range of property tax bills. The 25th percentile tax bill is $3,123, indicating that a quarter of homeowners pay this amount or less. On the higher end, the 75th percentile tax bill is $5,006, while the 90th percentile reaches $6,466, showcasing the variability based on property values and specific locations within the county.
For example, Marriottsville has the highest median tax bill in the county at $5,160, while Union Bridge has the lowest at $2,811. These figures are significantly above the national median property tax bill of $2,400, reflecting the county's higher property values and tax rates. Understanding these factors is crucial for homeowners, as property taxes can significantly impact their annual expenses and overall financial planning.
Median Carroll County Tax Bill
$3,882
Median Maryland Tax Bill
$3,419
Median United States Tax Bill
$2,400
Property Tax Bills Across Carroll County, Maryland
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Eldersburg | N/A | N/A | N/A | N/A | N/A |
Finksburg | $2,815 | $3,308 | $4,031 | $5,579 | $7,032 |
Hampstead | $2,272 | $2,795 | $3,369 | $4,189 | $5,273 |
Keymar | $1,784 | $2,268 | $2,947 | $3,623 | $4,664 |
Lineboro | $2,115 | $2,418 | $2,986 | $3,593 | $4,344 |
Manchester | $2,613 | $3,104 | $3,786 | $4,873 | $5,726 |
Marriottsville | $3,718 | $4,260 | $5,160 | $6,007 | $6,758 |
Mount Airy | $3,224 | $3,908 | $4,730 | $6,500 | $7,750 |
New Windsor | $2,606 | $3,122 | $3,863 | $4,712 | $5,594 |
Reisterstown | $3,213 | $3,516 | $4,017 | $5,198 | $6,644 |
Sykesville | $2,991 | $3,517 | $4,246 | $5,593 | $6,841 |
Taneytown | $2,024 | $2,670 | $3,641 | $4,474 | $5,289 |
Union Bridge | $1,911 | $2,294 | $2,811 | $3,541 | $4,305 |
Upperco | $2,830 | $3,229 | $3,883 | $5,009 | $5,798 |
Westminster | $2,427 | $2,974 | $3,633 | $4,629 | $6,149 |
Woodbine | $3,093 | $3,658 | $4,577 | $5,827 | $7,086 |
Source: Ownwell