Mercer County, New Jersey Property Taxes
Mercer County's median effective property tax rate stands at 3.25%, significantly higher than the national median of 1.02%. The median home value in Mercer County is $216,500. Homeowners in Mercer County face a median annual tax bill of $7,200, which is $4,800 higher than the national median property tax bill of $2,400. Property taxes in Mercer County 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 your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Trenton or another part of Mercer County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
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
$7,036
$6,529
Ownwell’s Mercer County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Mercer County with just two data points. By entering your property's estimated assessed value, our calculator applies Mercer County’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Mercer County. For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Mercer County, New Jersey
Local government entities determine tax rates, and these can vary significantly within a state. Each year, counties like Mercer in New Jersey estimate the budget they need to provide essential services. They then divide this budget by the total value of all taxable property in their jurisdiction to arrive at the property tax rate. This process involves votes and legislation, but this is the core of how rates are set annually. Mercer County's effective property tax rate is notably higher than the national median of 1.02%. In fact, within Mercer County, Hightstown has the highest median property tax rate at 4.69%, while Princeton has the lowest at 2.43%. These figures highlight the substantial variation in property tax rates even within a single county. Understanding these differences can help property owners make informed decisions and potentially save on property taxes.
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%
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 New Jersey Tax Rate
2.82%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Mercer County, New Jersey
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Allentown | 3.25% | 3.25% | 3.25% | 3.25% | 3.25% |
| Cranbury | 3.31% | 3.31% | 3.31% | 3.31% | 3.31% |
| East Windsor | 3.31% | 3.31% | 3.31% | 3.43% | 3.43% |
| Ewing | 3.60% | 3.60% | 3.60% | 3.60% | 3.60% |
| Hamilton | 3.25% | 3.25% | 3.25% | 3.25% | 3.25% |
| Hamilton Square | 3.25% | 3.25% | 3.25% | 3.25% | 3.25% |
| Hightstown | 3.00% | 3.43% | 4.69% | 4.69% | 4.69% |
| Hopewell | 2.99% | 2.99% | 2.99% | 3.20% | 3.20% |
| Lambertville | 2.99% | 2.99% | 2.99% | 2.99% | 2.99% |
| Lawrence Township | 2.98% | 2.98% | 2.98% | 2.98% | 2.98% |
| Lawrenceville | 2.98% | 2.98% | 2.98% | 2.98% | 2.98% |
| Pennington | 2.83% | 2.99% | 2.99% | 2.99% | 2.99% |
| Princeton | 2.43% | 2.43% | 2.43% | 2.88% | 2.88% |
| Princeton Junction | 2.88% | 2.88% | 2.88% | 2.88% | 2.88% |
| Robbinsville | 3.00% | 3.00% | 3.00% | 3.00% | 3.25% |
| Skillman | 2.99% | 2.99% | 2.99% | 2.99% | 2.99% |
| Titusville | 2.99% | 2.99% | 2.99% | 2.99% | 2.99% |
| Trenton | 3.25% | 3.25% | 3.25% | 5.46% | 5.46% |
| West Windsor | 2.88% | 2.88% | 2.88% | 2.88% | 2.88% |
| Windsor | 3.00% | 3.00% | 3.00% | 3.00% | 3.00% |
| Joint Base Mdl | N/A | N/A | N/A | N/A | N/A |
| Millstone Township | N/A | N/A | N/A | N/A | N/A |
| Princeton Jct | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Mercer County, New Jersey
When examining property taxes in Mercer County, 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 Mercer 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: Assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Mercer County. For example, the median tax bill in Mercer County is $7,999, with tax bills ranging significantly across the county. Skillman has the highest median home price at $1,232,050.
Property Tax Assessment Values Across Mercer County, New Jersey
Source: Ownwell
$42,000
$637,025
$1,232,050
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 Mercer County, New Jersey
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Allentown | $255,660 | $271,900 | $293,900 | $323,600 | $401,020 |
| Cranbury | $296,580 | $312,850 | $355,300 | $365,500 | $378,060 |
| East Windsor | $102,000 | $178,000 | $235,300 | $340,850 | $420,000 |
| Ewing | $125,550 | $156,300 | $192,800 | $239,725 | $298,400 |
| Hamilton | $132,960 | $168,100 | $195,200 | $231,700 | $269,360 |
| Hamilton Square | $88,300 | $88,300 | $104,400 | $107,900 | $115,100 |
| Hightstown | $150,800 | $177,625 | $225,150 | $288,700 | $415,610 |
| Hopewell | $295,760 | $344,000 | $417,100 | $538,550 | $682,640 |
| Lambertville | $316,740 | $388,900 | $487,300 | $655,000 | $963,660 |
| Lawrence Township | $142,130 | $174,200 | $235,800 | $329,375 | $442,300 |
| Lawrenceville | $192,760 | $208,250 | $250,800 | $297,400 | $340,020 |
| Pennington | $271,400 | $319,100 | $415,300 | $564,800 | $719,020 |
| Princeton | $257,500 | $456,150 | $646,500 | $890,700 | $1,296,100 |
| Princeton Junction | $306,400 | $416,975 | $572,600 | $682,975 | $797,310 |
| Robbinsville | $160,000 | $230,000 | $344,950 | $484,700 | $572,700 |
| Skillman | $707,190 | $1,050,000 | $1,232,050 | $1,316,800 | $1,386,970 |
| Titusville | $251,300 | $311,650 | $400,000 | $524,550 | $738,700 |
| Trenton | $40,800 | $58,700 | $140,800 | $217,900 | $280,600 |
| West Windsor | $631,850 | $672,400 | $699,550 | $723,975 | $781,500 |
| Windsor | $183,950 | $208,975 | $257,850 | $317,425 | $407,000 |
| Joint Base Mdl | N/A | N/A | N/A | N/A | N/A |
| Millstone Township | N/A | N/A | N/A | N/A | N/A |
| Princeton Jct | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Mercer County, New Jersey
In Mercer County, NJ, property tax bills are determined by multiplying the assessed value of a property by the local tax rate. The assessed value is typically a percentage of the property's market value, which is influenced by factors such as location, size, and property condition. Mercer County's median home price is $216,500, and the property tax rate significantly impacts homeowners' annual expenses. The median property tax bill here is notably higher than the national median of $2,400, with the 25th percentile at $4,633 and the 75th percentile reaching $11,330. At the 90th percentile, homeowners might face a tax bill as high as $16,907. In Skillman, the highest median tax bill is $36,875, while Hamilton Square offers some relief with the lowest median tax bill of $3,394. High property taxes can affect homeowners' budgets and influence decisions regarding property investment and relocation. Understanding these factors is crucial for homeowners in managing their finances and planning for future expenditures.
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 Mercer County, New Jersey
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Allentown | $8,312 | $8,839 | $9,555 | $10,520 | $13,037 |
| Cranbury | $9,808 | $10,346 | $11,750 | $12,087 | $12,434 |
| East Windsor | $3,376 | $5,890 | $8,008 | $11,631 | $14,412 |
| Ewing | $4,550 | $5,626 | $6,939 | $8,618 | $10,666 |
| Hamilton | $4,323 | $5,464 | $6,346 | $7,516 | $8,757 |
| Hamilton Square | $2,871 | $2,871 | $3,394 | $3,508 | $3,742 |
| Hightstown | $6,789 | $8,033 | $10,018 | $12,652 | $14,588 |
| Hopewell | $9,028 | $10,733 | $13,042 | $16,579 | $20,590 |
| Lambertville | $9,480 | $11,640 | $14,585 | $19,604 | $28,842 |
| Lawrence Township | $4,269 | $5,193 | $7,029 | $9,821 | $13,173 |
| Lawrenceville | $5,746 | $6,208 | $7,476 | $8,865 | $10,136 |
| Pennington | $8,123 | $9,461 | $12,325 | $16,470 | $21,080 |
| Princeton | $7,416 | $11,872 | $16,541 | $22,584 | $31,616 |
| Princeton Junction | $8,795 | $12,004 | $16,455 | $19,603 | $22,922 |
| Robbinsville | $4,797 | $6,967 | $10,556 | $14,540 | $17,170 |
| Skillman | $21,166 | $31,426 | $36,875 | $39,552 | $41,512 |
| Titusville | $7,521 | $9,328 | $11,972 | $15,715 | $22,109 |
| Trenton | $2,161 | $3,069 | $5,078 | $7,276 | $9,346 |
| West Windsor | $18,197 | $19,363 | $20,072 | $20,612 | $22,507 |
| Windsor | $5,515 | $6,265 | $7,730 | $9,516 | $12,202 |
| Joint Base Mdl | N/A | N/A | N/A | N/A | N/A |
| Millstone Township | N/A | N/A | N/A | N/A | N/A |
| Princeton Jct | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell