Princeton Junction, Mercer County, New Jersey Property Taxes
Median Princeton Junction, NJ effective property tax rate: 2.88%, significantly higher than the national median of 1.02%, but slightly higher than the New Jersey state median of 2.82%.
Median Princeton Junction, NJ home value: $572,600
Median annual Princeton Junction, NJ tax bill: $16,455, $14,055 higher than the national median property tax bill of $2,400.
How are property taxes in Mercer calculated?
Property taxes in Princeton Junction, 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 Princeton Junction’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Princeton Junction, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Princeton Junction, Mercer County, New Jersey Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.88%
Estimate Property Tax Bill
$16,491
$15,303
Property Tax Rates Across Princeton Junction, Mercer County, New Jersey
Local government entities set tax rates, which can vary widely within a state. This variance is due to each county estimating its required budget to provide services and dividing 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.
Comparing Princeton Junction’s effective property tax rate to other cities in New Jersey reveals that it stands at a significant level. The median property tax rate in Princeton Junction is notably higher than the national median of 1.02%. This reflects the trend in Mercer County, where tax rates are among the highest in the state. The property tax rate in Princeton Junction is at the same level as the highest and lowest median tax rates in the area, both recorded at 2.88%. This consistency underscores the uniformity in tax rates across the region, contrasting with the national median property tax bill of $2,400.
Property Tax Rates Across Princeton Junction, Mercer County, New Jersey
Source: Ownwell

2.43%
3.94%
5.46%
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 Princeton Junction Tax Rate
2.88%
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 Princeton Junction, Mercer County, New Jersey
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
08550 | 2.88% | 2.88% | 2.88% | 2.88% | 2.88% |
Source: Ownwell
Property Tax Assessment Values Across Princeton Junction, Mercer County, New Jersey
Property Tax Assessment Values Across Princeton Junction, Mercer County, New Jersey
Source: Ownwell

$42,000
$637,025
$1,232,050
Median Princeton Junction Market Value
$572,600
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 Princeton Junction, Mercer County, New Jersey
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
08550 | $306,400 | $416,975 | $572,600 | $682,975 | $797,310 |
Source: Ownwell
Property Tax Bills Across Princeton Junction, Mercer County, New Jersey
Property Tax Bills Across Princeton Junction, Mercer County, New Jersey
Source: Ownwell

$2,276
$19,576
$36,875
Median Princeton Junction Tax Bill
$16,455
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 Princeton Junction, Mercer County, New Jersey
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
08550 | $8,795 | $12,004 | $16,455 | $19,603 | $22,922 |
Source: Ownwell