Property Taxes in Jamesburg, New Jersey
Median Jamesburg, New Jersey effective property tax rate: 6.65%, significantly higher than the national median of 1.02%, and higher than the New Jersey state median of 2.88%.
Median Jamesburg, New Jersey home value: $128,300
Median annual Jamesburg, New Jersey tax bill: $8,160, $5,760 higher than the national median property tax bill of $2,400.
How are property taxes in Middlesex calculated?
Property taxes in Jamesburg, 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 Jamesburg's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Jamesburg, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
How Does the Jamesburg Property Tax Calculator Work?
Use this Jamesburg property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Jamesburg's median effective tax rate of 6.65% — based on actual property records in Middlesex 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 Jamesburg'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 Jamesburg: rates range from 6.65% in 08831 to 6.65% in 08831, 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 Jamesburg.
About Jamesburg Property Taxes
About Property Taxes in Jamesburg, Middlesex, New Jersey
Jamesburg’s median effective property tax rate of 6.65% is higher than the New Jersey state median of 2.88% and higher than the national median of 1.02%. This rate reflects the Middlesex 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 Jamesburg. Homeowners in the 08831 ZIP code carry a median effective rate of 6.65%, while those in the same ZIP code pay 6.65%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Middlesex County. Understanding which part of Jamesburg you live in can make a meaningful difference to your annual tax bill.
Jamesburg homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the April 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 Jamesburg, Middlesex 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 Jamesburg'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 Jamesburg Tax Rate
6.65%
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 Middlesex County Tax Rate
5.52%
Median Effective New Jersey Tax Rate
2.88%
Median Effective United States Tax Rate
1.27%
Property Tax Rates Across Jamesburg, Middlesex County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 08831 | 2.71% | 6.64% | 6.64% | 6.65% | 6.65% |
Source: Ownwell
Property Tax Assessment Values Across Jamesburg, Middlesex County, New Jersey
When examining property taxes in Jamesburg, 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 Middlesex 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.
Assessment notices:
In Middlesex County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of February.
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 Jamesburg, the median home price is $128,300, and the median tax bill is $8,160, compared with the national median property tax rate of 1.02% and national median property tax bill of $2,400. The $8,160 median tax bill also matches the highest and lowest median tax bill in 08831.
Property Tax Assessment Values Across Jamesburg, Middlesex County, New Jersey
Source: Ownwell
$66,900
$316,000
$565,100
Median Jamesburg Market Value
$128,300
Median Middlesex County Market Value
$167,900
Median New Jersey Market Value
$288,200
Median United States Market Value
$274,101
Property Tax Assessment Values Across Jamesburg, Middlesex County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 08831 | $98,800 | $108,500 | $128,300 | $152,200 | $251,560 |
Source: Ownwell
Property Tax Bills Across Jamesburg, Middlesex County, New Jersey
Property tax bills in Jamesburg are based on the assessed value of a home and the local tax rate set by Middlesex County and other taxing authorities. The bill is calculated by multiplying the assessed value by the tax rate, so homes with higher assessed values generally face larger tax bills. Local budgets for schools, municipal services, and county operations also influence the final amount homeowners pay.
For Jamesburg homeowners, the typical tax burden is substantial compared with the national median property tax bill of $2,400. The median home price is $128,300, while the median tax bill is $8,160 in ZIP code 08831. Bills at the 25th percentile reach $6,997, and the 75th percentile rises to $9,629, with the 90th percentile at $11,702. These costs can significantly affect monthly housing expenses and long-term affordability, making it important for homeowners to understand how their property is assessed and taxed.
Median Jamesburg Tax Bill
$8,160
Median Middlesex County Tax Bill
$8,723
Median New Jersey Tax Bill
$8,638
Median United States Tax Bill
$3,209
Property Tax Bills Across Jamesburg, Middlesex County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 08831 | $6,311 | $6,997 | $8,160 | $9,629 | $11,702 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 1 |
Links | |
|---|---|
| Middlesex Tax Assessor | |
| Website | www.taxdatahub.com |