Overview
North Carolina uses a flat tax rate system, making withholding straightforward. The rate has been steadily declining in recent years as part of the state’s ongoing tax reform. The state uses standard deductions and allowances to determine taxable income.
What Makes North Carolina Unique: North Carolina has a flat income tax rate of 4.5% for 2024, continuing a phased reduction to 3.99% by 2027. Employees complete Form NC-4 for state withholding.
State Income Tax (SIT)
North Carolina imposes a flat state income tax rate of 4.09% for 2026. Withholding is calculated by annualizing wages, subtracting the standard deduction and allowances, then applying the flat rate. Standard deductions are $12,750 for Single/Married/Surviving Spouse and $19,125 for Head of Household. Each allowance is worth $2,500. Tax amounts are rounded to the nearest dollar.
| Tax Structure | Flat rate: 4.09% for 2026 |
| State Withholding Form | Form NC-4 |
| Filing Statuses | S, M, H |
| Allowance Value | $2,500 per allowance |
| Standard Deduction (Single/Married) | $12,750 |
| Standard Deduction (Head of Household) | $19,125 |
| Rounding | Nearest whole dollar |
Supplemental Wages
North Carolina supports the following supplemental calculation methods. When using the flat method, the supplemental rate is 4.09%.
Employer State Unemployment Tax (SUTA)
Your assigned SUTA rate will be based on your company’s experience with unemployment claims. New employers typically start at the default rate of 1.0%.
| Tax Type | Employer-paid only |
| Default New Employer Rate | 1.0% |
| Rate Assignment | Experience-rated; assigned annually by the state |
How to Set Up North Carolina Payroll Withholding
Follow these steps to begin withholding North Carolina payroll taxes for your employees:
- Obtain your Federal EIN at irs.gov
- Register with the North Carolina Department of Revenue at ncdor.gov
- Register for SUTA with the NC Division of Employment Security at des.nc.gov
- Submit a Netchex tax team request to enable NC SIT and SUTA
- Have each employee complete their tax forms with an automated onboarding task in Netchex, digitally storing tax forms
- Configure any additional tax settings in the employee profile
Once setup is complete in Netchex, the system will automatically calculate, withhold, and remit all North Carolina payroll taxes on your behalf.
North Carolina Payroll Tax Filing Deadlines
The following are general filing and deposit deadlines for North Carolina payroll taxes. Deadlines may vary based on your employer size and deposit frequency. Always verify current schedules at North Carolina Department of Revenue.
| Tax | Deposit Frequency | Typical Due Date |
| SIT Withholding | Monthly | 15th of the following month |
| SIT Withholding | Quarterly | Last day of month following quarter |
| Annual Reconciliation (NC-3) | Annual | January 31 |
| SUTA | Quarterly | April 30, July 31, Oct 31, Jan 31 |
Note: Deadlines are subject to change. Always confirm current requirements directly with North Carolina Department of Revenue at https://www.ncdor.gov/taxes-forms/withholding-tax.
Resources & Links
The following official resources will help you stay current on North Carolina payroll tax requirements:
Frequently Asked Questions: North Carolina Payroll Taxes
What is North Carolina’s income tax rate?
North Carolina’s income tax rate is 4.5% for 2024, with phased reductions to 3.99% planned by 2027.
What form do North Carolina employees complete?
Employees complete North Carolina Form NC-4, the Employee’s Withholding Allowance Certificate.
What is North Carolina’s SUTA wage base?
North Carolina’s SUTA wage base is $31,400 per employee per year (2025). Verify at des.nc.gov.
Does North Carolina have local payroll taxes?
No. North Carolina does not impose local payroll taxes.
What is North Carolina’s supplemental withholding rate?
North Carolina uses a flat supplemental rate of 4.5%.
Disclaimer: This content is provided for general informational purposes only and does not constitute legal, tax, or accounting advice. Netchex does not provide tax or legal guidance and makes no representations regarding the accuracy or applicability of this information. Laws and regulations may change. The information on this page reflects payroll tax guidelines as of March 2026.
Let Netchex Handle the Complexity
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