Morris County, New Jersey

Mendham Borough, N.J. Property Tax Rate 2026

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

General tax rate
2.526

per $100 assessed

Effective tax rate
1.989

per $100 market value

Equalization ratio
78.74%

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 $393,705 → about $9,945/year
  • $750,000 market value → assessed about $590,558 → about $14,918/year

Check a Mendham Borough address

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

Mendham Borough market report · Homes for sale in Mendham Borough · All NJ tax rates

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Questions about Mendham Borough taxes

What is the property tax rate in Mendham Borough, NJ?

The official 2025 general tax rate in Mendham Borough (Morris County) is 2.526 per $100 of assessed value. The effective tax rate is 1.989 per $100 of market value.

What is the effective tax rate in Mendham Borough?

Mendham Borough's effective tax rate is 1.989. 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 Mendham Borough?

Using the equalization ratio of 78.74%, a $500,000 market value is about $393,705 assessed. The approximate annual tax is $9,945, which is $500,000 times the effective rate of 1.989 per $100.

How do I appeal my Mendham Borough property assessment?

Enter your Mendham Borough 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.