Property Taxes in Hillsboro, Maryland
Median Hillsboro, 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 Hillsboro, Maryland home value: $191,950
Median annual Hillsboro, Maryland tax bill: $2,225, $175 lower than the national median property tax bill of $2,400.
How are property taxes in Caroline calculated?
Property taxes in Hillsboro, 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 Hillsboro's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Hillsboro, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Hillsboro Property Tax Calculator Work?
Use this Hillsboro property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Hillsboro's median effective tax rate of 1.18% — based on actual property records in Caroline County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal 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 Hillsboro'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 Hillsboro: rates range from 2225.00 in 21641 to 2225.00 in 21641, 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 Hillsboro.
About Hillsboro Property Taxes
About Property Taxes in Hillsboro, Caroline, Maryland
Hillsboro’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 Caroline 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 Hillsboro. Homeowners in the 21641 ZIP code carry a median effective rate of 1.18%, while those in the same ZIP code also pay 1.18%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Caroline County. Understanding which part of Hillsboro you live in can make a meaningful difference to your annual tax bill.
Hillsboro homeowners who believe their assessed value is too high can file a formal appeal with the Caroline County Tax Assessor before the February 14, 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 Hillsboro, Caroline 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 Hillsboro'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 Ă· 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 Hillsboro Tax Rate
1.18%
Our median effective property tax rate (tax bill Ă· 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 Caroline County Tax Rate
1.08%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Hillsboro, Caroline County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21641 | 1.02% | 1.10% | 1.18% | 1.24% | 1.29% |
Source: Ownwell
Property Tax Assessment Values Across Hillsboro, Caroline County, Maryland
When examining property taxes in Hillsboro, 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 Caroline 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 Caroline County, assessment notices are sent in the spring 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. The median home price in Hillsboro is $191,950, with tax bills centered at $2,225 across the county. Zip code 21641 has both the highest median home price and the highest median tax bill.
Property Tax Assessment Values Across Hillsboro, Caroline County, Maryland
Source: Ownwell
$164,000
$245,950
$327,900
Median Hillsboro Market Value
$191,950
Median Caroline County Market Value
$232,700
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Hillsboro, Caroline County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21641 | $136,400 | $162,650 | $191,950 | $232,275 | $334,950 |
Source: Ownwell
Property Tax Bills Across Hillsboro, Caroline County, Maryland
How are property tax bills calculated in Hillsboro?
Property tax bills in Hillsboro are based on the assessed value of a home and the local tax rate set by Caroline County and other taxing authorities. When a property’s assessed market value rises, the tax bill can increase even if the homeowner’s income does not. The median home price in Hillsboro is $191,950, and the median property tax bill is $2,225, which is close to the national median property tax bill of $2,400.
What factors affect the bill? The biggest drivers are the home’s assessed value, the tax rate, and any exemptions or special assessments that apply. Bills can vary widely, with the 25th percentile at $1,904 and the 75th percentile at $2,786. At the 90th percentile, the bill reaches $3,563, showing how much higher taxes can be for more valuable homes.
For homeowners, this means a higher assessment can lead to a larger annual tax bill and more pressure on household budgets.
Median Hillsboro Tax Bill
$2,225
Median Caroline County Tax Bill
$2,617
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Hillsboro, Caroline County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21641 | $1,352 | $1,904 | $2,225 | $2,786 | $3,563 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 14 |
Links | |
|---|---|
| Caroline Tax Assessor | |
| Website | sdat.dat.maryland.gov |