Property Tax 101

The median property tax (also known as real estate tax) in Union County is $7,443.00 per year, based on a median home value of $397,200.00 and a median effective property tax rate of 1.87% of property value.

Union County collects very high property taxes, and is among the top 25% of counties in the United States ranked by property tax collections. Of the twenty-one counties in New Jersey, Union County is ranked 7th by median property taxes, and 12th by median tax as percentage of home value.

Union County has lower property taxes than many other New Jersey counties. The median home value is $397,200.00, compared to the median property value in New Jersey of $348,300.00

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7th out of 21 By median yearly property tax

12th out of 21 By percentage of median home value

4th out of 21 By percentage of median income

You can see how Union County (highlighted in green) compares to the twenty-one other counties in New Jersey with the bar chart above, sorted by median property tax in dollars. For a visual map of county property tax rates in New Jersey, see our New Jersey county property tax map.

Remember: Real estate prices also play a large part in which New Jersey counties have the highest and lowest median property taxes. Higher-valued properties will generally have higher taxes, even if the median percentage of home value levied as property tax is different. For comparisons, you can also use Percentage Of Home Value.

Property tax assessments in Union County are the responsibility of the Union County Tax Assessor, whose office is located in Plainfield, New Jersey.

If you need to pay your property tax bill, ask about a property tax assessment, look up the Union County property tax due date, or find property tax records, visit the Union County Tax Assessor's page. Applications for the Union County homestead exemption, any property tax appeals, and applications for a current use tax reduction must also be submitted to the Union County Assessor's Office.

For some properties, you can easily find the most recent tax assessment by looking up the property address with our property records search. You can also use our Union County Property Tax Calculator to estimate your property tax based on median tax values (results open in new page).