Browse States Sales Tax Calculator Nexus Checker Filing Deadlines Exemption Forms eCommerce Tax Guide Tax Holidays
Live Data: April 2026

Monmouth Junction, NJ Sales Tax Rate 2026

The combined sales tax rate in Monmouth Junction, New Jersey is 6.600%.

Combined Rate 6.600%
State6.600%

Monmouth Junction Sales Tax Breakdown

Jurisdiction Rate
New Jersey State Sales Tax 6.600%
Total Combined Rate 6.600%

Which County Is Monmouth Junction In?

Monmouth Junction falls within Middlesex, New Jersey. Middlesex imposes a 0.000% county-level sales tax in addition to the New Jersey state base rate.

Monmouth Junction ZIP Codes

The following ZIP codes are mapped to Monmouth Junction for sales tax purposes. All listed codes apply the 6.600% combined rate.

08852

Business Nexus in New Jersey

Economic Nexus Threshold

Selling into New Jersey from out of state? Once you exceed $100,000 in annual sales or 200 transactions, you must register and collect New Jersey sales tax.

FAQ: Monmouth Junction Sales Tax

The combined sales tax rate in Monmouth Junction, New Jersey is 6.600% as of 2026.
Multiply your purchase price by 6.600% to find the tax owed. A $500 purchase would include $33.00 in sales tax.
Groceries are generally taxable in New Jersey. Check the official Department of Revenue for specific exemptions.
Vehicle purchases in Monmouth Junction are subject to the 6.600% combined rate, though some states apply different rules for vehicle sales. Verify with the New Jersey Department of Revenue or DMV.
Register for a sales tax permit through the official New Jersey Department of Revenue website. Registration is typically free and required before collecting any sales tax.

Sales Tax Calculator

Using 6.600% rate for Monmouth Junction, NJ

$
Tax Amount $0.00
Total with Tax $100.00

Rate applied: 6.600% combined

Official Tax Authority

New Jersey Division of Taxation

Filing Deadline: Monthly returns due the 20th of the following month. File via NJ Online Tax Filing.