Williamstown, Oswego County, New York Property Taxes
Median WILLIAMSTOWN, NY effective property tax rate: 2.73%, significantly higher than the national median of 1.02%, but lower than the New York state median of 2.39%.
Median WILLIAMSTOWN, NY home value: $77,878
Median annual WILLIAMSTOWN, NY tax bill: $2,018, $382 lower than the national median property tax bill of $2,400.
How are property taxes in Oswego calculated?
Property taxes in WILLIAMSTOWN, NY 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 WILLIAMSTOWN’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in WILLIAMSTOWN, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Williamstown, Oswego County, New York Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.73%
Estimate Property Tax Bill
$2,126
$1,973
Property Tax Rates Across Williamstown, Oswego County, New York
Local government entities set tax rates, which can vary widely within a state. This variation is due to the fact that 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.
In Williamstown, located in Oswego County, NY, the effective property tax rate is notably higher compared to the national median of 1.02%. This higher rate reflects the unique budgetary requirements of the region, which can significantly impact homeowners. When compared to the median property tax rates in New York and the U.S., Williamstown's rate stands out, underscoring the importance for property owners to explore potential tax appeals and exemptions. This can be especially beneficial in areas like Williamstown where the assessed rates are above the national average. Understanding these dynamics can empower property owners to make informed decisions about their tax obligations and potentially reduce their financial burden.
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 Williamstown Tax Rate
2.73%
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 Oswego County Tax Rate
2.93%
Median Effective New York Tax Rate
2.39%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Williamstown, Oswego County, New York
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
13493 | 2.41% | 2.67% | 2.73% | 2.74% | 2.74% |
Source: Ownwell
Property Tax Assessment Values Across Williamstown, Oswego County, New York
When examining property taxes in Williamstown, NY, 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 Oswego 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 Oswego County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. 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 Williamstown. For example, the median home price in Williamstown is $77,878, with tax bills ranging significantly across the county. Zip code 13493 has the highest median home price at $77,878.
Property Tax Assessment Values Across Williamstown, Oswego County, New York
Source: Ownwell

$64,706
$106,312
$147,917
Median Williamstown Market Value
$77,878
Median Oswego County Market Value
$108,696
Median New York Market Value
$255,644
Median United States Market Value
$235,294
Property Tax Assessment Values Across Williamstown, Oswego County, New York
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
13493 | $29,268 | $45,122 | $77,878 | $117,878 | $170,178 |
Source: Ownwell
Property Tax Bills Across Williamstown, Oswego County, New York
In Williamstown, located in Oswego County, NY, property tax bills are determined by multiplying the assessed value of a property by the local tax rate. The median home price here is $77,878, which influences the overall tax bill. Homeowners in this area face a median property tax bill that can range significantly. For instance, the 25th percentile tax bill is $1,173, while the 75th percentile reaches $3,127, and the 90th percentile can be as high as $4,426. These figures highlight the variability in property tax obligations, which can be influenced by factors such as property improvements or changes in local tax rates.
Compared to the national median property tax rate of 1.02% and a median bill of $2,400, Williamstown's property tax bills can be relatively high, particularly for those at the higher percentiles. Ownwell assists homeowners by identifying potential inaccuracies in property assessments and filing appeals to ensure fair taxation. By leveraging expertise in property tax laws and local market conditions, Ownwell can help reduce the financial burden on homeowners, potentially saving them hundreds or even thousands of dollars annually.
Median Williamstown Tax Bill
$2,018
Median Oswego County Tax Bill
$3,405
Median New York Tax Bill
$5,938
Median United States Tax Bill
$2,400
Property Tax Bills Across Williamstown, Oswego County, New York
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
13493 | $734 | $1,173 | $2,018 | $3,127 | $4,426 |
Source: Ownwell
Don't miss the deadline to file a grievance!
Dates |
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Links | |
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Oswego Assessment Review Commission | |
Website | oswegogis.maps.arcgis.com |