Property Taxes in Adelphi, Maryland
Median Adelphi, Maryland effective property tax rate: 1.56%, significantly higher than the national median of 1.02%, and higher than the Maryland state median of 1.21%.
Median Adelphi, Maryland home value: $341,300
Median annual Adelphi, Maryland tax bill: $4,791, $2,391 higher than the national median property tax bill of $2,400.
How are property taxes in Prince George's calculated?
Property taxes in Adelphi, 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 Adelphi's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Adelphi, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Adelphi Property Tax Calculator Work?
Use this Adelphi property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Adelphi's median effective tax rate of 1.56% — based on actual property records in Prince George's 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 Adelphi'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 Adelphi: rates range from 1.56% in 20783 to 1.56% in 20783, 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 Adelphi.
About Adelphi Property Taxes
About Property Taxes in Adelphi, Prince George's, Maryland
Adelphi's median effective property tax rate of 1.56% is higher than the Maryland state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Prince George's 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 Adelphi. Homeowners in the 20783 ZIP code carry a median effective rate of 1.56%, while those in the same ZIP code also pay 1.56%. This spread reflects how school district boundaries and local assessment districts are drawn across Prince George's County. Understanding which part of Adelphi you live in can make a meaningful difference to your annual tax bill.
Adelphi 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 Adelphi, Prince George's 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 Adelphi'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 Adelphi Tax Rate
1.56%
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 Prince George's County Tax Rate
1.44%
Median Effective Maryland Tax Rate
1.21%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Adelphi, Prince George's County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20783 | 1.09% | 1.26% | 1.56% | 1.58% | 1.60% |
Source: Ownwell
Property Tax Assessment Values Across Adelphi, Prince George's County, Maryland
When examining property taxes in Adelphi, 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 Prince George's 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 Prince George's 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 Adelphi.
For example, the median home price in Adelphi is $341,300, with tax bills ranging significantly across the county. 20783 has the highest median home price at $341,300.
Property Tax Assessment Values Across Adelphi, Prince George's County, Maryland
Source: Ownwell
$225,100
$461,800
$698,500
Median Adelphi Market Value
$341,300
Median Prince George's County Market Value
$355,500
Median Maryland Market Value
$338,400
Median United States Market Value
$274,101
Property Tax Assessment Values Across Adelphi, Prince George's County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20783 | $105,000 | $115,000 | $341,300 | $416,425 | $500,410 |
Source: Ownwell
Property Tax Bills Across Adelphi, Prince George's County, Maryland
Property tax bills in Adelphi are calculated by applying the local property tax rate to a home’s assessed value, which is based on the market value of the property. For homeowners in Prince George's County, the size of the bill depends on factors such as the home’s value, local tax rates, and any applicable exemptions or adjustments.
With a median home price of $341,300, property taxes can have a meaningful impact on monthly housing costs. The 25th percentile tax bill is $1,799, while the 75th percentile reaches $6,047 and the 90th percentile climbs to $6,992. The median tax bill in ZIP code 20783 is $4,791, which is well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
For homeowners, a higher assessed value can mean a larger tax bill, even if the home has not been sold. That makes understanding how property taxes are determined important for budgeting and for spotting potential savings.
Property Tax Bills Across Adelphi, Prince George's County, Maryland
Source: Ownwell
$3,473
$6,429
$9,385
Median Adelphi Tax Bill
$4,791
Median Prince George's County Tax Bill
$4,985
Median Maryland Tax Bill
$4,092
Median United States Tax Bill
$3,209
Property Tax Bills Across Adelphi, Prince George's County, Maryland
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 20783 | $1,309 | $1,799 | $4,791 | $6,047 | $6,992 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 13 |
Links | |
|---|---|
| Prince George's Tax Assessor | |
| Website | sdat.dat.maryland.gov |