Castle Shannon, Allegheny County, Pennsylvania Property Taxes
Median CASTLE SHANNON, PA effective property tax rate: 2.95%, significantly higher than the national median of 1.02%, but lower than the Pennsylvania state median of 2.81%.
Median CASTLE SHANNON, PA home value: $110,000
Median annual CASTLE SHANNON, PA tax bill: $3,240, $840 higher than the national median property tax bill of $2,400.
How are property taxes in Allegheny calculated?
Property taxes in CASTLE SHANNON, PA 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 March 1, 2025
Castle Shannon, Allegheny County, Pennsylvania Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.95%
Estimate Property Tax Bill
$3,245
$3,011
Property Tax Rates Across Castle Shannon, Allegheny County, Pennsylvania
Property Tax Rates Across Castle Shannon, Allegheny County, Pennsylvania
Source: Ownwell

0.67%
2.57%
4.47%
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
2.95%
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
2.59%
Median Effective Pennsylvania Tax Rate
2.81%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Castle Shannon, Allegheny County, Pennsylvania
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
15234 | 2.78% | 2.88% | 2.95% | 3.06% | 3.49% |
Source: Ownwell
Property Tax Assessment Values Across Castle Shannon, Allegheny County, Pennsylvania
When examining property taxes in Castle Shannon, PA, 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.
In Allegheny 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 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
$108,200
Median Pennsylvania Market Value
$114,400
Median United States Market Value
$235,294
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
Property Tax Bills Across Castle Shannon, Allegheny County, Pennsylvania
Property tax bills in Castle Shannon, located in Allegheny County, PA, are calculated based on the assessed value of a property. The assessed value is a percentage of the property's market value, which is determined by the county's assessment office. Homeowners in Castle Shannon can expect tax bills that vary significantly, with the 25th percentile at $2,776 and the 90th percentile reaching as high as $4,208. The median property tax bill in Castle Shannon is $3,240, which is considerably above the national median of $2,400. This higher tax bill can be a significant financial burden for homeowners.
Various factors contribute to the determination of property tax bills, including local tax rates and the assessed value of the property. These factors can lead to discrepancies and potential over-assessment. Ownwell offers property tax appeal services to help homeowners in Castle Shannon potentially lower their tax bills. By reviewing assessments and identifying errors or discrepancies, Ownwell can assist homeowners in saving money and reducing their financial burden.
Property Tax Bills Across Castle Shannon, Allegheny County, Pennsylvania
Source: Ownwell

$555
$8,793
$17,030
Median Castle Shannon Tax Bill
$3,240
Median Allegheny County Tax Bill
$2,758
Median Pennsylvania Tax Bill
$3,063
Median United States Tax Bill
$2,400
Property Tax Bills Across Castle Shannon, Allegheny County, Pennsylvania
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
15234 | $2,430 | $2,776 | $3,240 | $3,763 | $4,208 |
Source: Ownwell