Morris County, New Jersey

Mount Arlington, N.J. Property Tax Rate 2026

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

General tax rate
2.203

per $100 assessed

Effective tax rate
1.931

per $100 market value

Equalization ratio
87.65%

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 $438,266 → about $9,655/year
  • $750,000 market value → assessed about $657,399 → about $14,483/year

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Questions about Mount Arlington taxes

What is the property tax rate in Mount Arlington, NJ?

The official 2025 general tax rate in Mount Arlington (Morris County) is 2.203 per $100 of assessed value. The effective tax rate is 1.931 per $100 of market value.

What is the effective tax rate in Mount Arlington?

Mount Arlington's effective tax rate is 1.931. 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 Mount Arlington?

Using the equalization ratio of 87.65%, a $500,000 market value is about $438,266 assessed. The approximate annual tax is $9,655, which is $500,000 times the effective rate of 1.931 per $100.

How do I appeal my Mount Arlington property assessment?

Enter your Mount Arlington 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.