Property Taxes in Allentown, Pennsylvania
Median Allentown, Pennsylvania effective property tax rate: 0.54%, significantly lower than the national median of 1.02%, and lower than the Pennsylvania state median of 2.75%.
Median Allentown, Pennsylvania home value: $106,800
Median annual Allentown, Pennsylvania tax bill: $577, $1,823 lower than the national median property tax bill of $2,400.
How are property taxes in Northampton calculated?
Property taxes in Allentown, 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 Allentown's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Allentown, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Allentown Property Tax Calculator Work?
Use this Allentown property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Allentown's median effective tax rate of 0.54% — based on actual property records in Northampton County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Allentown'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 Allentown: rates range from 0.54% in 18109 to 0.54% in 18109, 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 Allentown.
About Allentown Property Taxes
About Property Taxes in Allentown, Northampton, Pennsylvania
Allentown’s median effective property tax rate of 0.54% is lower than the Pennsylvania state median of 2.75% and lower than the national median of 1.02%. This rate reflects the Northampton 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 Allentown. Homeowners in the 18109 ZIP code carry a median effective rate of 0.54%, while those in 18109 pay 0.54%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Northampton County. Understanding which part of Allentown you live in can make a meaningful difference to your annual tax bill.
Allentown homeowners who believe their assessed value is too high can file a formal appeal with the local 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 Allentown, Northampton 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 Allentown's effective property tax rate to other cities in Pennsylvania and the median property tax rates in Pennsylvania 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 Allentown Tax Rate
0.54%
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 Northampton County Tax Rate
0.54%
Median Effective Pennsylvania Tax Rate
2.75%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Allentown, Northampton County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 18109 | 0.54% | 0.54% | 0.54% | 0.54% | 0.54% |
Source: Ownwell
Property Tax Assessment Values Across Allentown, Northampton County, Pennsylvania
When examining property taxes in Allentown, 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 Northampton County assessment office 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 Northampton 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 Allentown.
For example, the median home price in Allentown is $106,800, with tax bills ranging significantly across the county. 18109 has the highest median home price at $106,800.
Property Tax Assessment Values Across Allentown, Northampton County, Pennsylvania
Source: Ownwell
$67,400
$113,700
$160,000
Median Allentown Market Value
$106,800
Median Northampton County Market Value
$115,200
Median Pennsylvania Market Value
$118,310
Median United States Market Value
$274,101
Property Tax Assessment Values Across Allentown, Northampton County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 18109 | $96,080 | $102,100 | $106,800 | $118,200 | $130,640 |
Source: Ownwell
Property Tax Bills Across Allentown, Northampton County, Pennsylvania
Allentown property tax bills are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. The assessed value is the starting point for determining how much a homeowner owes, and it can change when a property is sold, improved, or reassessed. In Northampton County, the median home price is $106,800, and the median property tax bill is $577.00, which is well below the national median property tax bill of $2,400.
What a homeowner pays depends on the assessed value, local tax rates, and any exemptions or appeals that may lower the bill. For many homeowners, this means the tax bill can vary even among similar homes if their assessed values differ. Bills in the city also tend to fall within a relatively narrow range, with the 25th percentile at $551 and the 75th percentile at $637. That makes understanding how property taxes are calculated important for homeowners who want to know whether their bill reflects their home’s true market value.
Median Allentown Tax Bill
$577
Median Northampton County Tax Bill
$621
Median Pennsylvania Tax Bill
$3,050
Median United States Tax Bill
$3,209
Property Tax Bills Across Allentown, Northampton County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 18109 | $517 | $551 | $577 | $637 | $701 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | August 1 |
Links | |
|---|---|
| Northampton Tax Assessor | |
| Website | www.ncpub.org |