Hamilton Square, Mercer County, New Jersey Property Taxes
Median Hamilton Square, NJ effective property tax rate: 3.25%, significantly higher than the national median of 1.02%, but lower than the NJ state median of 2.82%.
Median Hamilton Square, NJ home value: $104,400
Median annual Hamilton Square, NJ tax bill: $3,394, $994 higher than the national median property tax bill of $2,400.
How are property taxes in Mercer calculated?
Property taxes in Hamilton Square, NJ 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 Hamilton Square’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Hamilton Square, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Hamilton Square, Mercer County, New Jersey Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
3.25%
Estimate Property Tax Bill
$3,393
$3,149
Property Tax Rates Across Hamilton Square, Mercer County, New Jersey
Local government entities set property tax rates, which can vary widely within a state. This variation arises because each county annually estimates its required budget to provide services, dividing that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While votes and laws play a role in setting tax rates and budgets, this is the annual process in a nutshell.
Hamilton Square in Mercer County, NJ, has an effective property tax rate of 3.25%, which is significantly higher than both the New Jersey state median and the national median of 1.02%. This makes Hamilton Square one of the areas with the highest property tax rates in the state. The high property tax rate reflects the county's budgetary needs and the value of properties within its limits. While this rate may seem steep compared to the national median property tax bill of $2,400, it underscores the importance of understanding local tax rates and how they impact property owners. By staying informed and considering property tax appeal services, property owners can better manage their financial obligations.
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 Hamilton Square Tax Rate
3.25%
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 Mercer County Tax Rate
3.25%
Median Effective New Jersey Tax Rate
2.82%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Hamilton Square, Mercer County, New Jersey
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
08690 | 3.25% | 3.25% | 3.25% | 3.25% | 3.25% |
Source: Ownwell
Property Tax Assessment Values Across Hamilton Square, Mercer County, New Jersey
Property Tax Assessment Values Across Hamilton Square, Mercer County, New Jersey
Source: Ownwell

$42,000
$637,025
$1,232,050
Median Hamilton Square Market Value
$104,400
Median Mercer County Market Value
$216,500
Median New Jersey Market Value
$282,900
Median United States Market Value
$235,294
Property Tax Assessment Values Across Hamilton Square, Mercer County, New Jersey
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
08690 | $88,300 | $88,300 | $104,400 | $107,900 | $115,100 |
Source: Ownwell
Property Tax Bills Across Hamilton Square, Mercer County, New Jersey
In Hamilton Square, Mercer County, NJ, property tax bills are determined by multiplying the assessed value of a home by the local tax rate. The assessed value is a percentage of the market value, which is influenced by factors such as property size, location, and market conditions. Homeowners in Hamilton Square face a median tax bill of $3,394, significantly higher than the national median of $2,400, reflecting the area's higher property values and tax rates. The tax bill can vary within the community, with the 25th percentile at $2,871 and the 75th percentile at $3,508, indicating a range of tax burdens among residents.
For homeowners seeking to reduce their property tax bills, Ownwell offers valuable assistance. By providing expert property tax appeal services, Ownwell can help homeowners ensure their properties are accurately assessed, potentially leading to lower tax bills. With a deep understanding of local tax regulations and market trends, Ownwell's consultants work diligently to identify opportunities for savings, making property tax management more manageable for homeowners in Hamilton Square.
Property Tax Bills Across Hamilton Square, Mercer County, New Jersey
Source: Ownwell

$2,276
$19,576
$36,875
Median Hamilton Square Tax Bill
$3,394
Median Mercer County Tax Bill
$7,200
Median New Jersey Tax Bill
$8,227
Median United States Tax Bill
$2,400
Property Tax Bills Across Hamilton Square, Mercer County, New Jersey
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
08690 | $2,871 | $2,871 | $3,394 | $3,508 | $3,742 |
Source: Ownwell