Property Taxes in Williamsport, Pennsylvania
Median Williamsport, Pennsylvania effective property tax rate: 1.27%, significantly lower than the national median of 1.02%, and lower than the Pennsylvania state median of 2.75%.
Median Williamsport, Pennsylvania home value: $162,288
Median annual Williamsport, Pennsylvania tax bill: $2,063, $337 lower than the national median property tax bill of $2,400.
How are property taxes in Sullivan calculated?
Property taxes in Williamsport, 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 Williamsport's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Williamsport, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Williamsport Property Tax Calculator Work?
Use this Williamsport property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Williamsport's median effective tax rate of 1.27% — based on actual property records in Sullivan County — to generate your estimate.
Enter your property's estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Williamsport'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 Williamsport: rates range from 1.27% in 17701 to 1.27% in 17701, 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 Williamsport.
About Williamsport Property Taxes
About Property Taxes in Williamsport, Sullivan, Pennsylvania
Williamsport’s median effective property tax rate of 1.27% is higher than the Pennsylvania state median of 2.75% and higher than the national median of 1.02%. This rate reflects the Sullivan 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 Williamsport. Homeowners in the 17701 ZIP code carry a median effective rate of 1.27%, while those in the 17701 pay 1.27%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Sullivan County. Understanding which part of Williamsport you live in can make a meaningful difference to your annual tax bill.
Williamsport homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the September 1, 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 Williamsport, Sullivan 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 Williamsport'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 Williamsport Tax Rate
1.27%
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 Sullivan County Tax Rate
1.33%
Median Effective Pennsylvania Tax Rate
2.75%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Williamsport, Sullivan County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 17701 | 1.27% | 1.27% | 1.27% | 1.27% | 1.27% |
Source: Ownwell
Property Tax Assessment Values Across Williamsport, Sullivan County, Pennsylvania
When examining property taxes in Williamsport, 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 Sullivan County tax 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 are sent in the spring each year and typically reach your mailbox by the middle of the month. 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.
For example, the median home price in Williamsport is $162,288, with a median property tax bill of $2,063. Tax bills range across the county, with the 25th percentile at $1,593 and the 90th percentile at $3,216. The highest median home price is in 17701 at $162,288.
Property Tax Assessment Values Across Williamsport, Sullivan County, Pennsylvania
Source: Ownwell
$65,184
$223,608
$382,032
Median Williamsport Market Value
$162,288
Median Sullivan County Market Value
$128,688
Median Pennsylvania Market Value
$118,310
Median United States Market Value
$274,101
Property Tax Assessment Values Across Williamsport, Sullivan County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 17701 | $102,850 | $125,328 | $162,288 | $220,416 | $253,008 |
Source: Ownwell
Property Tax Bills Across Williamsport, Sullivan County, Pennsylvania
Property tax bills in Williamsport are based on the assessed value of a home, not its market price. Local tax rates are applied to that assessment to determine the annual bill, so two homes with similar market values can still owe different amounts if their assessed values differ. In Sullivan County, the median home price is $162,288, and the median property tax bill is $2,063.
Several factors affect what a homeowner pays, including the property’s assessed value and the local tax rate set for the area. Homes with higher assessed values generally face larger tax bills, while lower assessments can mean a smaller bill. In Williamsport, tax bills vary widely, with the 25th percentile at $1,593 and the 75th percentile at $2,801. For some homeowners, higher bills can put added pressure on monthly budgets, especially when taxes rise faster than income.
Property Tax Bills Across Williamsport, Sullivan County, Pennsylvania
Source: Ownwell
$894
$2,980
$5,066
Median Williamsport Tax Bill
$2,063
Median Sullivan County Tax Bill
$1,694
Median Pennsylvania Tax Bill
$3,050
Median United States Tax Bill
$3,209
Property Tax Bills Across Williamsport, Sullivan County, Pennsylvania
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 17701 | $1,307 | $1,593 | $2,063 | $2,801 | $3,216 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | September 1 |
Links | |
|---|---|
| Sullivan Tax Assessor | |
| Website | sullcopa.maps.arcgis.com |