Property Taxes in Castle Shannon, Pennsylvania
Median Castle Shannon, Pennsylvania effective property tax rate: 3.16%, significantly higher than the national median of 1.02%, and higher than the Pennsylvania state median of 2.75%.
Median Castle Shannon, Pennsylvania home value: $110,000
Median annual Castle Shannon, Pennsylvania tax bill: $3,472, $1,072 higher than the national median property tax bill of $2,400.
How are property taxes in Allegheny calculated?
Property taxes in Castle Shannon, Pennsylvania 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 Castle Shannon's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Castle Shannon, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Castle Shannon Property Tax Calculator Work?
Use this Castle Shannon property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies Castle Shannon's median effective tax rate of 3.16% — based on actual property records in Allegheny 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 Castle Shannon'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 Castle Shannon: rates range from 3.16% in 15234 to 3.16% in 15234, primarily due to differences in school district levies and local assessment districts.
If your estimate is higher than expected, Ownwell can appeal your Castle Shannon assessment — you only pay if we save you money.
About Castle Shannon Property Taxes
About Property Taxes in Castle Shannon, Allegheny, Pennsylvania
Castle Shannon's median effective property tax rate of 3.16% is higher than the Pennsylvania state median of 2.75% and higher than the national median of 1.02%. This rate reflects the Allegheny 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 Castle Shannon. Homeowners in the 15234 ZIP code carry a median effective rate of 3.16%, while those in the same ZIP also pay 3.16%. This spread reflects how school district boundaries and local assessment districts are drawn across Allegheny County. Understanding which part of Castle Shannon you live in can make a meaningful difference to your annual tax bill.
Castle Shannon homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before August 1, 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 Castle Shannon, Allegheny County, Pennsylvania
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 Castle Shannon's effective property tax rate to other cities in Pennsylvania and the median property tax rates in Pennsylvania and the U.S.
Property Tax Rates Across Castle Shannon, Allegheny County, Pennsylvania
Source: Ownwell
1.92%
3.29%
4.66%
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 Castle Shannon Tax Rate
3.16%
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 Allegheny County Tax Rate
2.77%
Median Effective Pennsylvania Tax Rate
2.75%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Castle Shannon, Allegheny County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 15234 | 2.98% | 3.08% | 3.16% | 3.28% | 3.74% |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Assessment Values Across Castle Shannon, Allegheny County, Pennsylvania
When examining property taxes in Castle Shannon, Pennsylvania, 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 Allegheny 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 Allegheny 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 Castle Shannon.
For example, the median home price in Castle Shannon is $110,000, with tax bills ranging significantly across the county. 15234 has the highest median home price at $110,000.
Property Tax Assessment Values Across Castle Shannon, Allegheny County, Pennsylvania
Source: Ownwell
$23,400
$310,675
$597,950
Median Castle Shannon Market Value
$110,000
Median Allegheny County Market Value
$109,400
Median Pennsylvania Market Value
$118,310
Median United States Market Value
$274,101
Property Tax Assessment Values Across Castle Shannon, Allegheny County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 15234 | $84,260 | $96,100 | $110,000 | $120,500 | $131,180 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Property Tax Bills Across Castle Shannon, Allegheny County, Pennsylvania
Property tax bills in Castle Shannon are based on the assessed value of a home, not its market price alone. Local taxing authorities apply the property tax rate to that assessed value to determine the bill, so factors like home characteristics, location, and any changes in assessment can affect what homeowners owe. With a median home price of $110,000, property taxes can still feel significant, especially when bills rise faster than expected.
In Allegheny County, the median property tax bill is $3,472, which is above the national median property tax bill of $2,400. Bills in the area also range from $2,975 at the 25th percentile to $4,033 at the 75th percentile, with the 90th percentile reaching $4,498. That means homeowners may be paying more than they should if their assessment is too high.
Ownwell helps homeowners challenge unfair assessments and pursue savings on their property tax bills. By reviewing your property details and identifying opportunities for appeal, Ownwell can help reduce what you owe and keep more money in your pocket.
Property Tax Bills Across Castle Shannon, Allegheny County, Pennsylvania
Source: Ownwell
$569
$8,974
$17,379
Median Castle Shannon Tax Bill
$3,472
Median Allegheny County Tax Bill
$3,120
Median Pennsylvania Tax Bill
$3,050
Median United States Tax Bill
$3,209
Property Tax Bills Across Castle Shannon, Allegheny County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 15234 | $2,604 | $2,975 | $3,472 | $4,033 | $4,498 |
Source: Ownwell
Save on Your Property Taxes and More With Ownwell
$774
Average Annual Tax Savings
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | September 1 |
Links | |
|---|---|
| Allegheny Tax Assessor | |
| Website | realestate.alleghenycounty.us |