Property Tax 101

The median property tax (also known as real estate tax) in Mercer County is $6,245.00 per year, based on a median home value of $309,300.00 and a median effective property tax rate of 2.02% of property value.

Mercer 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, Mercer County is ranked 11th by median property taxes, and 6th by median tax as percentage of home value.

While Mercer County collects a median of 2.02% of a property's each year as property tax, the actual amount of property tax collected is lower compared to the rest of New Jersey. This is partially because the median property value in Mercer County is $39,000.00 lower than the New Jersey median property value of $348,300.00.

• County Tax Comparison
• National Tax Comparison
• Other New Jersey Counties
• Property Lookup

11th out of 21 By median yearly property tax

6th out of 21 By percentage of median home value

11th out of 21 By percentage of median income

You can see how Mercer 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 Mercer County are the responsibility of the Mercer County Tax Assessor, whose office is located in Trenton, New Jersey.

If you need to pay your property tax bill, ask about a property tax assessment, look up the Mercer County property tax due date, or find property tax records, visit the Mercer County Tax Assessor's page. Applications for the Mercer County homestead exemption, any property tax appeals, and applications for a current use tax reduction must also be submitted to the Mercer 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 Mercer County Property Tax Calculator to estimate your property tax based on median tax values (results open in new page).