Union County Property Taxes
Union County, New Jersey
Effective Tax Rate
0.00%
17.5% above state avgMedian Annual Tax
$0
$833/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
2.05%
At a Glance
Median Home Value
$488,800
State avg ▲ $402,957
Tax w/ Mortgage/yr
$10,001
$833/mo escrow
Tax w/o Mortgage/yr
$10,001
$833/mo
State Tax Rate Rank
#10
of 21 counties (1 = lowest)
Data Story
About Property Taxes in Union County, New Jersey
Union's rate outpaces most U.S. counties
Union County's effective tax rate of 2.05% nearly doubles the national median of 0.95%, placing it in the top 25% of counties for property tax burden. The median tax bill of $10,001 is 272% above the national median of $2,690, driven by Union's high home values of $488,800.
Slightly below state average for NJ
Union County's effective rate of 2.05% falls slightly below New Jersey's state average of 2.21%, making it one of the state's more favorable tax environments. However, the median tax bill of $10,001 exceeds the state average of $8,512 due to Union's above-average property valuations.
The lowest rate among peers
Union's 2.05% effective rate is the lowest among comparable regional counties—Warren (2.52%), Sussex (2.47%), and Salem (3.03%). Only Somerset (1.91%) offers a more favorable tax rate in this geographic area.
A $488,800 home costs $10,001 yearly
The median Union County home valued at $488,800 generates an annual property tax bill of $10,001. Both mortgage holders and outright owners pay the same amount, indicating standardized assessment practices throughout the county.
Union County homeowners should verify assessments
With some of the state's highest home values, Union County properties occasionally carry inflated assessments that don't reflect actual market conditions. Filing a tax appeal is free and can reduce annual bills, especially for properties that may be overvalued.
How Union County Compares
Median Annual Property Tax
Union County
2.05%
Effective rate
New Jersey Avg
2.11%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Union County, New Jersey?
How much are property taxes in Union County?
How does Union County compare to the New Jersey average?
What is the median home value in Union County, New Jersey?
Is Union County a low property tax area in New Jersey?
How does Union County rank for property taxes in New Jersey?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in New Jersey
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.