Property Taxes in Arnold, Maryland
Median Arnold, Maryland effective property tax rate: 1.13%, significantly higher than the national median of 1.02%, and lower than the Maryland state median of 1.21%.
Median Arnold, Maryland home value: $420,300
Median annual Arnold, Maryland tax bill: $4,447, $2,047 higher than the national median property tax bill of $2,400.
How are property taxes in Anne Arundel calculated?
Property taxes in Arnold, 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 Arnold's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Arnold, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Arnold Property Tax Calculator Work?
Use this Arnold property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Arnold's median effective tax rate of 1.13% — based on actual property records in Anne Arundel 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 Arnold'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 Arnold: rates range from 1.13% in 21012 to 1.13% in 21012, 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 Arnold.
About Arnold Property Taxes
About Property Taxes in Arnold, Anne Arundel, Maryland
Arnold’s median effective property tax rate of 1.13% is lower than the Maryland state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Anne Arundel 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 Arnold. Homeowners in the 21012 ZIP code carry a median effective rate of 1.13%, while those in the same ZIP code also pay 1.13%. This spread reflects how school district boundaries and local assessment districts are drawn across Anne Arundel County. Understanding which part of Arnold you live in can make a meaningful difference to your annual tax bill.
Arnold 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 Arnold, Anne Arundel 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 Arnold'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 Arnold Tax Rate
1.13%
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 Anne Arundel County Tax Rate
1.09%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Arnold, Anne Arundel County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21012 | 0.82% | 0.93% | 1.13% | 1.21% | 1.25% |
Source: Ownwell
Property Tax Assessment Values Across Arnold, Anne Arundel County, Maryland
When examining property taxes in Arnold, 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 Anne Arundel 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 Anne Arundel County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the season.
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 Arnold.
For example, the median home price in Arnold is $420,300, with tax bills ranging significantly across the county. ZIP code 21012 has the highest median home price at $420,300.
Property Tax Assessment Values Across Arnold, Anne Arundel County, Maryland
Source: Ownwell
$9,700
$1,007,850
$2,006,000
Median Arnold Market Value
$420,300
Median Anne Arundel County Market Value
$386,400
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Arnold, Anne Arundel County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21012 | $240,380 | $325,900 | $420,300 | $540,500 | $727,340 |
Source: Ownwell
Property Tax Bills Across Arnold, Anne Arundel County, Maryland
Property tax bills in Arnold are calculated by applying the local tax rate to a home’s assessed market value. The assessed value is the starting point for the bill, so changes in market conditions can affect what homeowners owe each year. For a home with a median price of $420,300, the tax bill can vary widely depending on the assessment and the taxing jurisdictions that apply to the property.
Homeowners in Arnold often see bills that are higher than the national median property tax bill of $2,400. The 25th percentile tax bill is $3,322, while the 75th percentile is $5,914 and the 90th percentile reaches $7,884. That means property taxes can take a meaningful share of household costs, especially for owners whose assessed values rise faster than expected.
The median tax bill in ZIP code 21012 is $4,447, showing how location within the city can influence what a homeowner pays.
Median Arnold Tax Bill
$4,447
Median Anne Arundel County Tax Bill
$4,073
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Arnold, Anne Arundel County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21012 | $2,288 | $3,322 | $4,447 | $5,914 | $7,884 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Anne Arundel Tax Assessor | |
| Website | sdat.dat.maryland.gov |