2025 Tax Year

North Carolina Side Hustle Tax Calculator

Calculate your North Carolina state tax (4.25%), federal tax, and self-employment tax on 1099 income.

NC4.25%

10.7 million residents

No signup required

2025 rates

Always free

Last updated: January 2026 · Data from IRS Rev Proc 2024-40

Filing Status

State

W-2 Income (from your day job)

Side Hustle Income *

Business Expenses (optional)

North Carolina offers side hustlers one of the lower flat tax rates in the Southeast at 4.25% for 2025. The Tar Heel State has been steadily reducing its tax rate over the past decade, making it increasingly attractive for freelancers and small business owners. With growing tech hubs in Charlotte and Raleigh-Durham, the state has a thriving gig economy.

North Carolina Tax Guide

How Side Hustle Taxes Work in North Carolina

North Carolina uses a flat tax system with declining rates:

**North Carolina state tax (2025):** - Flat rate: 4.25% - Down from 4.5% in 2024 and 5.25% in previous years - Scheduled to decrease further in coming years

**No local income taxes:** - Charlotte, Raleigh, and other NC cities don't add income taxes - Only pay the 4.25% state rate plus federal taxes

North Carolina's rate is lower than Georgia (5.39%) and similar to Illinois (4.95%), making it competitive for self-employed residents.

Example

What North Carolina Side Hustlers Owe

Let's say you're a single filer in Charlotte with a $58,000 W-2 job and $13,000 in side hustle income from freelance marketing, with $1,500 in expenses.

**Your estimated taxes on the side hustle:** - Net self-employment income: $11,500 - Federal SE tax (15.3% of 92.35%): ~$1,627 - Federal income tax on side income: ~$2,530 (22% bracket) - NC state tax (4.25%): ~$489 - **Total additional tax: ~$4,646**

Your effective rate on the side hustle is about 40%. North Carolina's declining tax rate means you'll keep more each year.

Important Dates

North Carolina Tax Deadlines 2025

North Carolina estimated tax deadlines: - **Q1**: April 15, 2025 - **Q2**: June 15, 2025 - **Q3**: September 15, 2025 - **Q4**: January 15, 2026

Use Form NC-40 for North Carolina estimated tax payments. Electronic payments are available through the NC DOR website.

Save Money

Common Deductions for North Carolina Freelancers

North Carolina freelancers benefit from the state's use of federal AGI as the starting point—most federal deductions automatically reduce NC taxes. **Home office deduction**: Claim using simplified ($5/sq ft) or actual expense method for dedicated business space. **Vehicle and travel expenses**: 67 cents/mile for 2025; keep mileage logs for business trips across Charlotte, Raleigh, or to client sites. **Equipment and software**: Computers, professional tools, and business software are deductible. **Professional development**: Courses, certifications, and industry conferences that improve your business skills qualify. **Health insurance premiums**: Self-employed individuals can deduct 100% of health, dental, and vision insurance costs. **Retirement contributions**: SEP-IRAs (up to 25% of net self-employment income) and Solo 401(k)s reduce both federal and NC taxable income. **Marketing and advertising**: Website costs, business cards, and promotional materials are fully deductible. North Carolina has specific add-backs for certain items that were deducted federally—review NC DOR guidelines for Section 179 and bonus depreciation conformity to ensure your deductions are valid for state purposes.

Common Questions

North Carolina Side Hustle Tax FAQ

What is North Carolina's 2025 tax rate?

North Carolina has a flat 4.25% income tax rate in 2025, reduced from 4.5% in 2024. This applies to all taxable income including self-employment earnings.

Does Charlotte have a city income tax?

No, Charlotte and all other North Carolina cities do not have local income taxes. You only pay the state 4.25% flat rate plus federal taxes.

Is North Carolina lowering taxes?

Yes, North Carolina has been steadily reducing its income tax rate. It dropped from 5.25% to the current 4.25%, with potential further reductions planned for future years.

Do I need to register my side hustle in North Carolina?

Sole proprietors using their legal name don't need state registration. If using a business name (DBA), file an Assumed Name Certificate with the Register of Deeds in your county. LLCs must register with the NC Secretary of State. Sellers may need a Sales Tax ID from the NC Department of Revenue.

When are North Carolina quarterly estimated taxes due?

North Carolina follows federal quarterly deadlines: April 15, June 15, September 15, and January 15. Use Form NC-40 for payments. Electronic filing is available through the NC DOR website.

Can I deduct retirement contributions on NC taxes?

Yes, SEP-IRA and Solo 401(k) contributions reduce your federal AGI, which North Carolina uses as its starting point. Every dollar contributed saves you at your federal rate plus 4.25% in NC state taxes.

Compare Tax Rates