Plainfield, NJ Sales Tax Rate 2026
The combined sales tax rate in Plainfield, New Jersey is 6.600%.
Plainfield Sales Tax Breakdown
| Jurisdiction | Rate |
|---|---|
| New Jersey State Sales Tax | 6.600% |
| Total Combined Rate | 6.600% |
Which County Is Plainfield In?
Plainfield falls within Union, New Jersey. Union imposes a 0.000% county-level sales tax in addition to the New Jersey state base rate.
Plainfield ZIP Codes
The following ZIP codes are mapped to Plainfield for sales tax purposes. All listed codes apply the 6.600% combined rate.
Business Nexus in New Jersey
Economic Nexus Threshold
FAQ: Plainfield Sales Tax
Sales Tax Calculator
Using 6.600% rate for Plainfield, 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.