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
How Does the Gibson Island Property Tax Calculator Work?
Use this Gibson Island property tax calculator to estimate your annual property 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 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 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.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Gibson Island.
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
1.27%
Property Tax Rates Across Gibson Island, Anne Arundel County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21056 | 1.02% | 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
$274,101
Property Tax Assessment Values Across Gibson Island, Anne Arundel County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th 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
Property tax bills in Gibson Island are calculated by multiplying the assessed value of a home by the local tax rate set by Anne Arundel County and other taxing authorities. The assessed value is based on the market value of the property, so changes in home prices can directly affect what homeowners owe. For a home with a median price of $2,006,000, this can lead to a substantial annual bill.
The typical property tax bill in Gibson Island is $23,776, which is far above the national median property tax bill of $2,400. Bills can vary widely depending on the home’s assessed value, exemptions, and local tax rates, with the 25th percentile at $17,214 and the 75th percentile at $37,326. At the 90th percentile, bills reach $41,648, showing how expensive property taxes can be for homeowners in the area.
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
$3,209
Property Tax Bills Across Gibson Island, Anne Arundel County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 21056 | $11,281 | $17,214 | $23,776 | $37,326 | $41,648 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Anne Arundel Tax Assessor | |
| Website | sdat.dat.maryland.gov |