Middlesex County, New Jersey

Jamesburg, N.J. Property Tax Rate 2026

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

General tax rate
6.955

per $100 assessed

Effective tax rate
2.631

per $100 market value

Equalization ratio
37.83%

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 $189,145 → about $13,155/year
  • $750,000 market value → assessed about $283,717 → about $19,732/year

Check a Jamesburg address

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

Jamesburg market report · Homes for sale in Jamesburg · All NJ tax rates

Get Instant Price-Drop & New Listing Alerts in Jamesburg

Tell us when a Jamesburg home hits the market or drops in price. Free buyer alerts.

What's Your Jamesburg Home Worth in 2026?

Get a seller valuation for your Jamesburg home using recent sales and local tax data.

Questions about Jamesburg taxes

What is the property tax rate in Jamesburg, NJ?

The official 2025 general tax rate in Jamesburg (Middlesex County) is 6.955 per $100 of assessed value. The effective tax rate is 2.631 per $100 of market value.

What is the effective tax rate in Jamesburg?

Jamesburg's effective tax rate is 2.631. 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 Jamesburg?

Using the equalization ratio of 37.83%, a $500,000 market value is about $189,145 assessed. The approximate annual tax is $13,155, which is $500,000 times the effective rate of 2.631 per $100.

How do I appeal my Jamesburg property assessment?

Enter your Jamesburg 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.