Baltimore County, Maryland Property Taxes
Property Taxes in Baltimore County, Maryland
Median Baltimore County effective property tax rate: 1.29%, significantly higher than the national median of 1.02%.
Median Baltimore County home value: $285,000
Median annual Baltimore County tax bill: $3,694, higher than the national median property tax bill of $2,400.
How are property taxes in Baltimore County calculated?
Property taxes in Baltimore 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 Baltimore County or another part of Baltimore County, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Baltimore County, Maryland Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.29%
Estimate Property Tax Bill
$3,677
$3,412
How Does the Baltimore County Property Tax Calculator Work?
Use this Baltimore County property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Baltimore County's median effective tax rate of 1.29% to generate your estimate.
Enter your property's estimated assessed value — the figure the assessment office assigns for tax purposes, which is typically lower than market value after applicable exemptions. Our calculator uses the median effective rate for a more accurate estimate than the statutory millage rate alone.
Your actual bill may vary based on your specific exemptions, local school district levies, and any special assessment districts that apply to your property. Baltimore County’s median tax rate is higher than the national median property tax rate of 1.02%, and the median property tax bill of $3,694 is higher than the national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore city and ZIP code-level tax rate trends across Baltimore County.
Property Tax Rates Across Baltimore County, Maryland
What Are Effective Property Tax Rates Across Baltimore County?
Local government entities set tax rates, which vary widely across Baltimore County. Each year, the county estimates its budget for public services and divides that total by the assessed value of all taxable property within its jurisdiction.
Below, compare Baltimore County's effective property tax rate to other counties in Maryland or the U.S. median of 1.02%.
Baltimore County's median effective rate stands at 1.29%, which is higher than the national median of 1.02%. Within Baltimore County, the highest rate is found in Parkville at 1.41%, while Boring has the lowest at 0.93%.
These variations reflect differences in local school district levies, special taxing districts assessments, and special district bonds — which compound the base county rate.
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 Baltimore County Tax Rate
1.29%
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
1.21%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Baltimore County, Maryland
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Baltimore | 1.30% | 1.71% | 1.94% | 2.15% | 2.28% |
| Brooklyn | 1.33% | 1.67% | 2.02% | 2.16% | 2.18% |
| Catonsville | 1.54% | 1.67% | 1.87% | 2.00% | 2.08% |
| Curtis Bay | 1.02% | 1.44% | 1.45% | 1.66% | 2.04% |
| Dundalk | 1.80% | 1.98% | 2.20% | 2.23% | 2.25% |
| Gwynn Oak | 1.55% | 1.79% | 1.97% | 2.21% | 2.27% |
| Halethorpe | 1.45% | 1.65% | 1.84% | 1.99% | 2.10% |
| Idlewylde | 1.62% | 1.68% | 1.81% | 1.83% | 1.86% |
| Nottingham | 1.79% | 1.91% | 1.98% | 2.08% | 2.15% |
| Parkville | 1.54% | 1.82% | 1.89% | 2.00% | 2.06% |
| Pikesville | 1.28% | 1.57% | 1.79% | 1.95% | 2.12% |
| Rosedale | 1.79% | 1.85% | 1.98% | 2.23% | 2.28% |
| Essex | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Baltimore County, Maryland
When examining property taxes in Baltimore County, 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 Baltimore 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 Baltimore County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of April.
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 Baltimore County.
For example, the median tax bill in Baltimore County is $3,694, compared with the national median property tax bill of $2,400. Tax bills range significantly across the county, from $2,525 in Dundalk to $7,566 in Stevenson. Stevenson also has the highest median home price at $694,100.
Property Tax Assessment Values Across Baltimore County, Maryland
Source: Ownwell
$48,200
$225,650
$403,100
Median Baltimore County Market Value
$285,000
Median Maryland Market Value
$338,400
Median United States Market Value
$235,294
Property Tax Assessment Values Across Baltimore County, Maryland
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Baltimore | $32,000 | $80,100 | $149,000 | $223,200 | $345,440 |
| Brooklyn | $55,200 | $65,100 | $80,100 | $121,250 | $160,760 |
| Catonsville | $25,520 | $165,250 | $191,300 | $235,850 | $250,360 |
| Curtis Bay | $36,000 | $60,000 | $70,200 | $113,500 | $148,020 |
| Dundalk | $77,700 | $112,300 | $151,100 | $184,400 | $217,200 |
| Gwynn Oak | $141,400 | $158,600 | $186,300 | $231,700 | $295,400 |
| Halethorpe | $65,100 | $120,300 | $143,700 | $164,600 | $202,380 |
| Idlewylde | $135,060 | $169,200 | $177,100 | $207,500 | $233,080 |
| Nottingham | $161,200 | $188,700 | $217,200 | $285,300 | $357,900 |
| Parkville | $155,500 | $169,700 | $191,900 | $231,600 | $276,080 |
| Pikesville | $148,900 | $210,000 | $267,500 | $356,900 | $463,700 |
| Rosedale | $34,600 | $76,725 | $107,900 | $149,425 | $164,720 |
| Essex | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Baltimore County, Maryland
Property tax bills in Baltimore County are based on the assessed value of a home, not its market price alone. Local tax rates are applied to that assessment to determine the amount a homeowner owes each year. Factors such as the property’s location, size, condition, and any changes in value can all influence the final bill.
For a home with a median value of $285,000, tax bills vary widely across the county. The 25th percentile tax bill is $2,844, while the 75th percentile is $4,994 and the 90th percentile reaches $6,699. That range shows how much a tax bill can differ depending on where a property is located and how it is assessed.
Homeowners in Baltimore County may feel the impact of rising assessments quickly, especially when bills climb above the national median property tax bill of $2,400. In Stevenson, the highest median tax bill is $7,566, while Dundalk has the lowest median tax bill at $2,525.
Median Baltimore County Tax Bill
$3,694
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$2,400
Property Tax Bills Across Baltimore County, Maryland
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Baltimore | $540 | $1,346 | $2,708 | $4,110 | $6,626 |
| Brooklyn | $767 | $1,130 | $1,726 | $2,193 | $2,888 |
| Catonsville | $525 | $2,849 | $3,396 | $4,155 | $4,980 |
| Curtis Bay | $517 | $708 | $1,019 | $1,448 | $2,580 |
| Dundalk | $1,551 | $2,193 | $3,100 | $3,828 | $4,429 |
| Gwynn Oak | $2,566 | $3,018 | $3,586 | $4,461 | $5,650 |
| Halethorpe | $968 | $1,899 | $2,518 | $2,973 | $3,772 |
| Idlewylde | $2,440 | $2,876 | $3,145 | $3,540 | $3,891 |
| Nottingham | $3,181 | $3,725 | $4,272 | $5,537 | $6,711 |
| Parkville | $2,925 | $3,213 | $3,560 | $4,171 | $4,934 |
| Pikesville | $2,034 | $3,523 | $4,550 | $6,355 | $8,247 |
| Rosedale | $823 | $1,529 | $2,147 | $2,634 | $3,222 |
| Essex | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Baltimore Tax Assessor | |
| Website | sdat.dat.maryland.gov |