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Sunderland, Calvert County, Maryland Property Taxes

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Property Taxes in Sunderland, Maryland

  • Median Sunderland, Maryland effective property tax rate: 1.08%, significantly higher than the national median of 1.02%, and lower than the Maryland state median of 1.21%.

  • Median Sunderland, Maryland home value: $447,100

  • Median annual Sunderland, Maryland tax bill: $4,779, higher than the national median property tax bill of $2,400.

How are property taxes in Calvert calculated?

Property taxes in Sunderland, 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 Sunderland's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Sunderland, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Sunderland, Calvert County, Maryland Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.08%

Estimate Property Tax Bill

$4,829

$4,481

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Sunderland Property Tax Calculator Work?

Use this Sunderland property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Sunderland's median effective tax rate of 1.08% — based on actual property records in Calvert 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 Sunderland'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 Sunderland: rates range from 1.08% in 20689 to 1.08% in 20689, primarily due to differences in school district levies and local assessment districts. Sunderland’s median property tax bill is $4,779, which is higher than Maryland’s by $2,379 and higher than the national median property tax bill of $2,400.

If your estimate is higher than expected, Ownwell can appeal your Sunderland assessment — you only pay if we save you money.

About Sunderland Property Taxes

About Property Taxes in Sunderland, Calvert, Maryland

Sunderland’s median effective property tax rate of 1.08% is lower than the Maryland state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Calvert 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 Sunderland. Homeowners in ZIP code 20689 carry a median effective rate of 1.08%, while those in 20689 pay 1.08%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Calvert County. Understanding which part of Sunderland you live in can make a meaningful difference to your annual tax bill.

Sunderland 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 Sunderland, Calvert 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 Sunderland's effective property tax rate to other cities in Maryland and the median property tax rates in Maryland and the U.S.

Property Tax Rates Across Sunderland, Calvert County, Maryland

Source: Ownwell

0.98%

1.15%

1.32%

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 Sunderland Tax Rate

1.08%

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 Calvert County Tax Rate

1.06%

Median Effective Maryland Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Sunderland, Calvert County, Maryland

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
206891.04%1.06%1.08%1.11%1.13%

Source: Ownwell

Property Tax Assessment Values Across Sunderland, Calvert County, Maryland

When examining property taxes in Sunderland, 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 Calvert County appraisal district 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 Calvert County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.

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 Sunderland.

For example, the median home price in Sunderland is $447,100, with tax bills ranging significantly across the county. 20689 has the highest median home price at $447,100.

Property Tax Assessment Values Across Sunderland, Calvert County, Maryland

Source: Ownwell

$296,400

$394,400

$492,400

Median Sunderland Market Value

$447,100

Median Calvert County Market Value

$373,400

Median Maryland Market Value

$338,400

Median United States Market Value

$235,294

Property Tax Assessment Values Across Sunderland, Calvert County, Maryland

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
20689$248,580$350,400$447,100$562,050$667,600

Source: Ownwell

Property Tax Bills Across Sunderland, Calvert County, Maryland

Property tax bills in Sunderland 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, this means a higher assessed value can lead to a higher tax bill, even if the home has not been sold. In Calvert County, the median home price is $447,100, and property tax bills vary widely, with the 25th percentile at $3,768, the 75th percentile at $5,969, and the 90th percentile at $7,276. The median tax bill in ZIP code 20689 is $4,779, which is well above the national median property tax bill of $2,400.

Ownwell helps homeowners lower their property tax bills by reviewing assessments, identifying overvaluation, and filing appeals when appropriate. By challenging an inaccurate assessed value, Ownwell can help ensure homeowners are not paying more than they should.

Property Tax Bills Across Sunderland, Calvert County, Maryland

Source: Ownwell

$3,129

$4,139

$5,149

Median Sunderland Tax Bill

$4,779

Median Calvert County Tax Bill

$3,976

Median Maryland Tax Bill

$4,092

Median United States Tax Bill

$2,400

Property Tax Bills Across Sunderland, Calvert County, Maryland

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
20689$2,517$3,768$4,779$5,969$7,276

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Sunderland, Maryland

How are property taxes calculated in Sunderland, Maryland?
Property taxes in Sunderland, Maryland are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.
How do I appeal my property taxes in Sunderland, Maryland?
To appeal your property taxes in Sunderland, Maryland, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.
What property tax exemptions are available in Sunderland, Maryland?
Common property tax exemptions in Sunderland, Maryland include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.
When are property taxes due in Sunderland, Maryland?
Property tax deadlines in Sunderland, Maryland vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.
How can Ownwell help reduce my property taxes in Sunderland, Maryland?
Ownwell provides professional property tax appeal services in Sunderland, Maryland. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.