Union County, New Jersey

Plainfield, N.J. Property Tax Rate 2026

Official 2025 Division of Taxation rates for Plainfield. The general rate is per $100 of assessed value. A sale price is not an assessed value.

General tax rate
8.926

per $100 assessed

Effective tax rate
2.460

per $100 market value

Equalization ratio
27.56%

assessed ÷ market, from the two rates

Example tax bills

Approximation using the effective rate. The general rate is applied to the equalized assessment, not the sticker price.

  • $500,000 market value → assessed about $137,800 → about $12,300/year
  • $750,000 market value → assessed about $206,700 → about $18,450/year

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See the assessment, comps, and whether a Chapter 123 appeal is worth filing.

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Questions about Plainfield taxes

What is the property tax rate in Plainfield, NJ?

The official 2025 general tax rate in Plainfield (Union County) is 8.926 per $100 of assessed value. The effective tax rate is 2.460 per $100 of market value.

What is the effective tax rate in Plainfield?

Plainfield's effective tax rate is 2.460. That rate already converts market value into an approximate tax bill. The general rate applies only to assessed value.

How much is property tax on a $500,000 home in Plainfield?

Using the equalization ratio of 27.56%, a $500,000 market value is about $137,800 assessed. The approximate annual tax is $12,300, which is $500,000 times the effective rate of 2.460 per $100.

How do I appeal my Plainfield property assessment?

Enter your Plainfield address on this page. Garden State AI compares the assessment with recent sales under NJ Chapter 123 and, when the numbers support it, prepares the appeal packet.

Source: 2025 General Tax Rates, NJ Division of Taxation. Rates are not a legal opinion and do not include exemptions.