South River, NJ Sales Tax Rate 2026
The combined sales tax rate in South River, New Jersey is 6.600%.
South River Sales Tax Breakdown
| Jurisdiction | Rate |
|---|---|
| New Jersey State Sales Tax | 6.600% |
| Total Combined Rate | 6.600% |
Which County Is South River In?
South River falls within Middlesex, New Jersey. Middlesex imposes a 0.000% county-level sales tax in addition to the New Jersey state base rate.
South River ZIP Codes
The following ZIP codes are mapped to South River for sales tax purposes. All listed codes apply the 6.600% combined rate.
Business Nexus in New Jersey
Economic Nexus Threshold
FAQ: South River Sales Tax
Sales Tax Calculator
Using 6.600% rate for South River, NJ
Rate applied: 6.600% combined
New Jersey Division of Taxation
Filing Deadline: Monthly returns due the 20th of the following month. File via NJ Online Tax Filing.