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Gibson Island, Anne Arundel County, Maryland Property Taxes

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Property Taxes in Gibson Island, Maryland

  • Median Gibson Island, Maryland effective property tax rate: 1.35%, significantly higher than the national median of 1.02%, and higher than the Maryland state median of 1.21%.

  • Median Gibson Island, Maryland home value: $2,006,000

  • Median annual Gibson Island, Maryland tax bill: $23,776, $21,376 higher than the national median property tax bill of $2,400.

How are property taxes in Anne Arundel calculated?

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

Last Updated April 13, 2026

Gibson Island, Anne Arundel County, Maryland Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.35%

Estimate Property Tax Bill

$27,081

$25,130

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the Gibson Island Property Tax Calculator Work?

Use this Gibson Island property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Gibson Island's median effective tax rate of 1.35% — 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 process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Gibson Island'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 Gibson Island: rates range from 1.35% in 21056 to 1.35% in 21056, primarily due to differences in school district levies and local assessment districts.

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

About Gibson Island Property Taxes

About Property Taxes in Gibson Island, Anne Arundel, Maryland

Gibson Island’s median effective property tax rate of 1.35% is higher 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 Gibson Island. Homeowners in the 21056 ZIP code carry a median effective rate of 1.35%, while those in the same ZIP code also pay 1.35%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Anne Arundel County. Understanding which part of Gibson Island you live in can make a meaningful difference to your annual tax bill.

Gibson Island homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before February 13, 2026.

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 Gibson Island, 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 Gibson Island'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 Gibson Island, Anne Arundel County, Maryland

Source: Ownwell

0.90%

1.13%

1.36%

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 Gibson Island Tax Rate

1.35%

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

1.02%

Property Tax Rates Across Gibson Island, Anne Arundel County, Maryland

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
210561.02%1.30%1.35%1.35%1.36%

Source: Ownwell

Property Tax Assessment Values Across Gibson Island, Anne Arundel County, Maryland

When examining property taxes in Gibson Island, 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. Anne Arundel County 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 understanding how assessed and market values are determined, property owners can better navigate their tax responsibilities and the valuation process affecting their property taxes in Gibson Island.

For example, the median home price in Gibson Island is $2,006,000, with tax bills ranging significantly across the county. 21056 has the highest median home price at $2,006,000.

Property Tax Assessment Values Across Gibson Island, Anne Arundel County, Maryland

Source: Ownwell

$9,700

$1,007,850

$2,006,000

Median Gibson Island Market Value

$2,006,000

Median Anne Arundel County Market Value

$386,400

Median Maryland Market Value

$338,400

Median United States Market Value

$235,294

Property Tax Assessment Values Across Gibson Island, Anne Arundel County, Maryland

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
21056$1,179,450$1,336,675$2,006,000$2,828,800$3,191,150

Source: Ownwell

Property Tax Bills Across Gibson Island, Anne Arundel County, Maryland

How are property tax bills calculated in Gibson Island?

Property tax bills in Gibson Island are based on the assessed value of a home and the local tax rate set by Anne Arundel County. When a property’s market value rises, the assessed value can increase too, which may lead to a higher tax bill. For homeowners, that means taxes can change even if nothing about the property itself has changed. With a median home price of $2,006,000, bills in this area can be substantial, and the median property tax bill of $23,776 is well above the national median property tax bill of $2,400.

What can Ownwell do to help?

Ownwell helps homeowners review their assessments, identify opportunities to appeal, and pursue exemptions that may reduce what they owe. For many homeowners, that can mean meaningful savings on an annual bill that already ranges from $17,214 at the 25th percentile to $41,648 at the 90th percentile.

Property Tax Bills Across Gibson Island, Anne Arundel County, Maryland

Source: Ownwell

$99

$11,938

$23,776

Median Gibson Island Tax Bill

$23,776

Median Anne Arundel County Tax Bill

$4,073

Median Maryland Tax Bill

$4,092

Median United States Tax Bill

$2,400

Property Tax Bills Across Gibson Island, Anne Arundel County, Maryland

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
21056$11,281$17,214$23,776$37,326$41,648

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in Gibson Island, Maryland

How are property taxes calculated in Gibson Island, Maryland?
Property taxes in Gibson Island, 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 Gibson Island, Maryland?
To appeal your property taxes in Gibson Island, 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 Gibson Island, Maryland?
Common property tax exemptions in Gibson Island, 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 Gibson Island, Maryland?
Property tax deadlines in Gibson Island, 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 Gibson Island, Maryland?
Ownwell provides professional property tax appeal services in Gibson Island, 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.