Pennington, Mercer County, New Jersey Property Taxes

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Property Taxes in Pennington, New Jersey

Median Pennington, New Jersey effective property tax rate: 3.06%, significantly higher than the national median of 1.02%, and higher than the New Jersey state median of 2.88%.
Median Pennington, New Jersey home value: $421,350
Median annual Pennington, New Jersey tax bill: $12,785, $10,385 higher than the national median property tax bill of $2,400.

How are property taxes in Mercer calculated?

Property taxes in Pennington, New Jersey 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 Pennington's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Pennington, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Pennington, Mercer County, New Jersey Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

3.06%

Estimate Property Tax Bill

$12,893

$11,965

How Does the Pennington Property Tax Calculator Work?

Use this Pennington property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Pennington's median effective tax rate of 3.06% — based on actual property records in Mercer County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Pennington's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Pennington: rates range from 3.06% in 08534 to 3.06% in 08534, primarily due to differences in school district levies and local assessment districts.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Pennington.

About Pennington Property Taxes

About Property Taxes in Pennington, Mercer, New Jersey

Pennington’s median effective property tax rate of 3.06% is higher than the New Jersey state median of 2.88% and higher than the national median of 1.02%. This rate reflects the Mercer County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Pennington. Homeowners in the 08534 ZIP code carry a median effective rate of 3.06%, while those in the same ZIP also pay 3.06%. This reflects how school district boundaries and local assessment districts are drawn across Mercer County. Understanding which part of Pennington you live in can make a meaningful difference to your annual tax bill.

Pennington homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the April 1, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Pennington, Mercer County, New Jersey

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Pennington's effective property tax rate to other cities in New Jersey and the median property tax rates in New Jersey and the U.S.

Property Tax Rates Across Pennington, Mercer County, New Jersey

Source: Ownwell

2.51%

4.04%

5.57%

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 Pennington Tax Rate

3.06%

Median Effective Mercer County Tax Rate

3.30%

Median Effective New Jersey Tax Rate

2.88%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Pennington, Mercer County, New Jersey

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
08534	2.96%	2.98%	3.06%	3.06%	3.06%

Source: Ownwell

Property Tax Assessment Values Across Pennington, Mercer County, New Jersey

When examining property taxes in Pennington, New Jersey, 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:

In Mercer County, assessment notices are sent in January each year. They'll typically reach your mailbox by the middle of January.

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 Pennington.

For example, the median home price in Pennington is $421,350, with tax bills ranging significantly across the county. 08534 has the highest median home price at $421,350.

Property Tax Assessment Values Across Pennington, Mercer County, New Jersey

Source: Ownwell

$42,100

$567,900

$1,093,700

Median Pennington Market Value

$421,350

Median Mercer County Market Value

$217,000

Median New Jersey Market Value

$288,200

Median United States Market Value

$235,294

Property Tax Assessment Values Across Pennington, Mercer County, New Jersey

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
08534	$278,700	$325,300	$421,350	$562,850	$714,910

Source: Ownwell

Property Tax Bills Across Pennington, Mercer County, New Jersey

Property tax bills in Pennington are based on the assessed value of a home, not its market price alone. Local tax rates are applied to that assessment to determine the annual bill, and the amount can vary by neighborhood and school district within Mercer County.

For homeowners, this means a higher assessed value usually leads to a higher tax bill, while a lower assessment can reduce what is owed. In Pennington, the median home price is $421,350, and the median property tax bill is $12,785. That is well above the national median property tax bill of $2,400 and reflects the heavier tax burden common in New Jersey.

Bills can also be affected by exemptions, appeals, and changes in local budgets. With tax bills ranging from $9,856 at the 25th percentile to $21,687 at the 90th percentile, homeowners may see significant differences even among similar homes.

Property Tax Bills Across Pennington, Mercer County, New Jersey

Source: Ownwell

$2,305

$17,864

$33,423

Median Pennington Tax Bill

$12,785

Median Mercer County Tax Bill

$7,344

Median New Jersey Tax Bill

$8,638

Median United States Tax Bill

$2,400

Property Tax Bills Across Pennington, Mercer County, New Jersey

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
08534	$8,313	$9,856	$12,785	$16,985	$21,687

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	April 1

Links
Mercer Tax Assessor
Website	pip.mercercounty.org

Frequently Asked Property Tax Questions in Pennington, New Jersey

How are property taxes calculated in Pennington, New Jersey?

Property taxes in Pennington, New Jersey are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Pennington, New Jersey?

To appeal your property taxes in Pennington, New Jersey, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Pennington, New Jersey?

Common property tax exemptions in Pennington, New Jersey include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Pennington, New Jersey?

Property tax deadlines in Pennington, New Jersey vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Pennington, New Jersey?

Ownwell provides professional property tax appeal services in Pennington, New Jersey. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.