Property Taxes in Williamstown, New Jersey
Median Williamstown, New Jersey effective property tax rate: 3.06%, significantly higher than the national median of 1.02%, and higher than the New Jersey state median of 2.88%.
Median Williamstown, New Jersey home value: $165,150
Median annual Williamstown, New Jersey tax bill: $4,666, $2,266 higher than the national median property tax bill of $2,400.
How are property taxes in Atlantic calculated?
Property taxes in Williamstown, New Jersey 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 April 13, 2026
How Does the Williamstown Property Tax Calculator Work?
Use this Williamstown property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Williamstown's median effective tax rate of 3.06% — based on actual property records in Atlantic 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 Williamstown'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 Williamstown: rates range from 3.06% in 08094 to 3.06% in 08094, 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 Williamstown.
About Williamstown Property Taxes
About Property Taxes in Williamstown, Atlantic, New Jersey
Williamstown’s median effective property tax rate of 3.06% is higher than the New Jersey state median of 2.88% and higher than the national median of 1.02%. This rate reflects the Atlantic County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Williamstown. Homeowners in the 08094 ZIP code carry a median effective rate of 3.06%, while those in the lowest ZIP also pay 3.06%. That means the spread is 0.00 percentage points across the same city, showing how local taxing jurisdictions can still shape what homeowners owe.
Williamstown homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the April 1, 2026 deadline each year.
If your estimated bill 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 Williamstown, Atlantic County, New Jersey
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 Williamstown's effective property tax rate to other cities in New Jersey and the median property tax rates in New Jersey 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 Williamstown Tax Rate
3.06%
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 Atlantic County Tax Rate
3.35%
Median Effective New Jersey Tax Rate
2.88%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Williamstown, Atlantic County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 08094 | 2.19% | 2.19% | 3.06% | 3.11% | 3.11% |
Source: Ownwell
Property Tax Assessment Values Across Williamstown, Atlantic County, New Jersey
When examining property taxes in Williamstown, New Jersey, 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 Atlantic County tax assessor 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 Atlantic County, assessment notices are sent in January each year. They'll typically reach your mailbox by the middle of January.
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 Williamstown is $165,150, with tax bills ranging significantly across the county. 08094 has the highest median home price at $165,150.
Property Tax Assessment Values Across Williamstown, Atlantic County, New Jersey
Source: Ownwell
$16,800
$406,900
$797,000
Median Williamstown Market Value
$165,150
Median Atlantic County Market Value
$188,800
Median New Jersey Market Value
$288,200
Median United States Market Value
$274,101
Property Tax Assessment Values Across Williamstown, Atlantic County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 08094 | $138,050 | $149,000 | $165,150 | $189,325 | $214,950 |
Source: Ownwell
Property Tax Bills Across Williamstown, Atlantic County, New Jersey
Property tax bills in Williamstown 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 then used to determine how much a homeowner owes each year, with the final bill reflecting local budgets and tax levies set by taxing authorities in Atlantic County.
For Williamstown homeowners, this means property taxes can have a major impact on housing costs. With a median home price of $165,150, the typical tax burden is substantial compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400. Bills in the area vary widely, with the 25th percentile at $3,898, the 75th percentile at $5,493, and the 90th percentile at $6,525. In ZIP code 08094, the median tax bill is $4,666, showing how local assessments can significantly affect what homeowners pay.
Median Williamstown Tax Bill
$4,666
Median Atlantic County Tax Bill
$5,994
Median New Jersey Tax Bill
$8,638
Median United States Tax Bill
$3,209
Property Tax Bills Across Williamstown, Atlantic County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 08094 | $3,292 | $3,898 | $4,666 | $5,493 | $6,525 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 1 |
Links | |
|---|---|
| Atlantic Tax Assessor | |
| Website | www.taxdatahub.com |