Union County, New Jersey Property Taxes
Median Union County effective property tax rate: 6.95%, significantly higher than the national median of 1.02%.
Median Union County home value: $138,900
Median annual Union County tax bill: $10,366, $7,966 higher than the national median property tax bill of $2,400.
How are property taxes in Union County calculated?
Property taxes in Union 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 Elizabeth or another part of Union County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Union County, New Jersey Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
6.95%
Estimate Property Tax Bill
$9,654
$8,958
Property Tax Rates Across Union County, New Jersey
Local government entities determine tax rates, which can differ significantly within a state. This variation is due to each county annually estimating its necessary budget to provide services and dividing that by the total value of all taxable property within its jurisdiction, resulting in the property tax rate. Although votes and laws play a role in setting tax rates and budgets, this is the core process each year.
Union County, NJ, has a notably high effective property tax rate compared to both other counties in New Jersey and the national median property tax rate of 1.02%. With a median property tax bill significantly exceeding the national median of $2400, property owners in Union County shoulder a considerable tax burden. The highest median tax rate in Union County is found in Scotch Plains, while Mountainside boasts the lowest. Understanding these differences can help property owners make informed decisions about appealing their property assessments or seeking exemptions. Comparing Union County's effective property tax rate with other counties in New Jersey or the national median highlights the unique tax landscape property owners face in this region.
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 Union County Tax Rate
6.95%
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 Union County, New Jersey
| City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Berkeley Heights | 3.92% | 4.20% | 4.20% | 4.20% | 4.20% |
| Clark | 1.92% | 2.11% | 2.12% | 2.12% | 2.12% |
| Cranford | 6.12% | 6.61% | 6.61% | 6.61% | 6.61% |
| Dunellen | 7.68% | 8.39% | 8.46% | 8.46% | 8.46% |
| Fanwood | 2.62% | 2.81% | 2.81% | 2.81% | 2.81% |
| Garwood | 2.43% | 2.63% | 2.63% | 2.63% | 2.63% |
| Hillside | 7.18% | 7.89% | 7.94% | 7.94% | 7.94% |
| Kenilworth | 4.88% | 5.23% | 5.36% | 5.36% | 5.36% |
| Linden | 6.28% | 6.95% | 6.95% | 6.95% | 6.95% |
| Mountainside | 1.86% | 2.00% | 2.00% | 2.00% | 2.00% |
| Newark | 7.22% | 7.89% | 7.94% | 7.94% | 7.94% |
| New Providence | 4.46% | 4.93% | 4.94% | 4.94% | 4.94% |
| North Plainfield | 8.03% | 8.45% | 8.46% | 8.46% | 8.46% |
| Plainfield | 7.66% | 8.46% | 8.46% | 8.46% | 8.46% |
| Rahway | 6.37% | 6.95% | 7.02% | 7.02% | 7.02% |
| Roselle | 7.71% | 8.49% | 8.54% | 8.54% | 8.54% |
| Roselle Park | 3.75% | 4.13% | 4.14% | 4.14% | 4.14% |
| Scotch Plains | 10.57% | 11.29% | 11.29% | 11.29% | 11.29% |
| Springfield | 2.03% | 2.11% | 2.20% | 2.37% | 2.59% |
| Summit | 4.32% | 4.32% | 4.32% | 4.32% | 4.32% |
| Westfield | 2.11% | 2.16% | 2.16% | 2.16% | 2.16% |
| Elizabeth | N/A | N/A | N/A | N/A | N/A |
| Elizabethport | N/A | N/A | N/A | N/A | N/A |
| Green Brook | N/A | N/A | N/A | N/A | N/A |
| Irvington | N/A | N/A | N/A | N/A | N/A |
| Maplewood | N/A | N/A | N/A | N/A | N/A |
| Piscataway | N/A | N/A | N/A | N/A | N/A |
| Union | N/A | N/A | N/A | N/A | N/A |
| Vauxhall | N/A | N/A | N/A | N/A | N/A |
| Warren | N/A | N/A | N/A | N/A | N/A |
| Winfield Park | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Union County, New Jersey
When examining property taxes in Union 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 Union County Board of Taxation 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 Union County, 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 Union County.
For example, the median tax bill in Union County is $12,826, with tax bills ranging significantly across the county. Westfield has the highest median home price at $734,900.
Property Tax Assessment Values Across Union County, New Jersey
Source: Ownwell
$54,000
$394,450
$734,900
Median Union County Market Value
$138,900
Median New Jersey Market Value
$282,900
Median United States Market Value
$235,294
Property Tax Assessment Values Across Union County, New Jersey
| City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Berkeley Heights | $203,000 | $245,200 | $288,800 | $356,300 | $449,320 |
| Clark | $372,320 | $423,850 | $492,600 | $597,450 | $711,900 |
| Cranford | $122,000 | $152,300 | $181,700 | $216,700 | $256,980 |
| Dunellen | $92,520 | $109,900 | $118,400 | $125,800 | $138,260 |
| Fanwood | $361,400 | $409,300 | $453,500 | $503,500 | $576,240 |
| Garwood | $323,160 | $351,900 | $386,300 | $437,100 | $519,440 |
| Hillside | $87,920 | $101,600 | $117,100 | $137,725 | $168,000 |
| Kenilworth | $142,600 | $154,000 | $170,900 | $206,500 | $245,000 |
| Linden | $91,670 | $113,000 | $132,800 | $154,000 | $175,200 |
| Mountainside | $454,230 | $506,500 | $576,500 | $693,550 | $869,700 |
| Newark | $12,940 | $18,025 | $54,000 | $103,575 | $121,070 |
| New Providence | $203,600 | $240,200 | $292,650 | $348,975 | $419,350 |
| North Plainfield | $93,720 | $100,000 | $111,000 | $134,750 | $140,560 |
| Plainfield | $70,800 | $86,900 | $104,600 | $123,000 | $147,100 |
| Rahway | $89,400 | $113,300 | $134,800 | $154,900 | $177,590 |
| Roselle | $91,900 | $105,100 | $119,850 | $139,400 | $162,700 |
| Roselle Park | $190,860 | $223,100 | $251,500 | $282,300 | $315,240 |
| Scotch Plains | $73,500 | $85,300 | $108,600 | $156,000 | $196,000 |
| Springfield | $321,200 | $431,000 | $513,900 | $617,800 | $749,620 |
| Summit | $164,300 | $225,600 | $339,850 | $540,400 | $765,050 |
| Westfield | $474,400 | $587,850 | $734,900 | $939,525 | $1,219,090 |
| Elizabeth | N/A | N/A | N/A | N/A | N/A |
| Elizabethport | N/A | N/A | N/A | N/A | N/A |
| Green Brook | N/A | N/A | N/A | N/A | N/A |
| Irvington | N/A | N/A | N/A | N/A | N/A |
| Maplewood | N/A | N/A | N/A | N/A | N/A |
| Piscataway | N/A | N/A | N/A | N/A | N/A |
| Union | N/A | N/A | N/A | N/A | N/A |
| Vauxhall | N/A | N/A | N/A | N/A | N/A |
| Warren | N/A | N/A | N/A | N/A | N/A |
| Winfield Park | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Union County, New Jersey
Median Union County Tax Bill
$10,366
Median New Jersey Tax Bill
$8,227
Median United States Tax Bill
$2,400
Property Tax Bills Across Union County, New Jersey
| City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| Berkeley Heights | $8,259 | $10,048 | $12,013 | $14,880 | $18,812 |
| Clark | $7,569 | $8,692 | $10,251 | $12,493 | $15,020 |
| Cranford | $7,721 | $9,857 | $11,848 | $14,174 | $16,870 |
| Dunellen | $7,301 | $8,986 | $9,931 | $10,513 | $11,329 |
| Fanwood | $9,862 | $11,276 | $12,617 | $14,102 | $16,158 |
| Garwood | $8,242 | $9,074 | $10,044 | $11,426 | $13,615 |
| Hillside | $6,751 | $7,866 | $9,146 | $10,813 | $13,195 |
| Kenilworth | $7,394 | $8,036 | $8,974 | $10,883 | $13,075 |
| Linden | $6,196 | $7,677 | $9,067 | $10,562 | $12,058 |
| Mountainside | $8,728 | $10,002 | $11,432 | $13,833 | $17,555 |
| Newark | $1,003 | $1,431 | $4,283 | $7,886 | $9,310 |
| New Providence | $9,873 | $11,639 | $14,114 | $16,766 | $20,249 |
| North Plainfield | $7,802 | $8,298 | $9,246 | $10,825 | $11,805 |
| Plainfield | $5,826 | $7,182 | $8,628 | $10,235 | $12,308 |
| Rahway | $6,057 | $7,710 | $9,241 | $10,702 | $12,312 |
| Roselle | $7,495 | $8,665 | $9,996 | $11,669 | $13,712 |
| Roselle Park | $7,623 | $9,023 | $10,235 | $11,542 | $12,963 |
| Scotch Plains | $8,125 | $9,513 | $12,210 | $17,514 | $21,988 |
| Springfield | $6,893 | $9,470 | $11,510 | $14,049 | $18,009 |
| Summit | $7,071 | $9,710 | $14,820 | $23,332 | $33,133 |
| Westfield | $10,026 | $12,465 | $15,772 | $20,214 | $26,250 |
| Elizabeth | N/A | N/A | N/A | N/A | N/A |
| Elizabethport | N/A | N/A | N/A | N/A | N/A |
| Green Brook | N/A | N/A | N/A | N/A | N/A |
| Irvington | N/A | N/A | N/A | N/A | N/A |
| Maplewood | N/A | N/A | N/A | N/A | N/A |
| Piscataway | N/A | N/A | N/A | N/A | N/A |
| Union | N/A | N/A | N/A | N/A | N/A |
| Vauxhall | N/A | N/A | N/A | N/A | N/A |
| Warren | N/A | N/A | N/A | N/A | N/A |
| Winfield Park | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell