HomeAboutTax & BookkeepingEstate PlanningFinancingToolsBlogResourcesFree Tax Checkup →
📅 NC State Taxes

North Carolina Business Tax Guide 2025: Everything You Need to Know

Bottom line: NC's flat 4.75% income tax rate is one of the most competitive in the Southeast — but NC also has franchise taxes, sales tax complexity, and an underused PTET election that can save most business owners $5,000–$15,000 more per year. Most NC business owners don't know half of what's available to them.

NC Income Tax: The Flat Rate Structure

North Carolina uses a flat individual income tax rate — every dollar of taxable income is taxed at the same percentage, regardless of how much you earn. For 2025, the NC individual income tax rate is 4.75%.

Under current law (H.B. 259, the 2023 budget), the NC rate is scheduled to continue declining:

This declining rate trajectory is significant for multi-year planning. If you have flexibility in timing income or deductions, there can be value in deferring income into future lower-rate years — though this must be weighed against the time value of money and other factors.

No Separate NC Business Income Tax

North Carolina does not impose a separate income tax on pass-through business entities (sole proprietors, single-member LLCs, partnerships, S-corporations). Business income flows directly to the owner's personal NC return and is taxed at the individual 4.75% rate. This simplifies compliance significantly compared to states that levy separate business income taxes.

C-corporations are the exception — they pay NC corporate income tax at a flat 2.5% rate (one of the lowest corporate rates in the country). This is paid at the entity level on NC taxable income.

NC Franchise Tax: What It Is and Who Owes It

The NC franchise tax is a privilege tax for the right to do business in North Carolina as a corporation. It applies to:

Default LLCs (taxed as sole proprietors or partnerships) are not subject to NC franchise tax — only those that have elected S-Corp status or are structured as corporations.

How NC Franchise Tax Is Calculated

NC franchise tax is calculated as the highest of three bases:

  1. $1.50 per $1,000 of net worth (minimum $200)
  2. $1.50 per $1,000 of the appraised value of NC property used in the business
  3. 55% of the appraised value of NC property (for entities that don't maintain records to compute net worth)

For most small businesses with limited balance sheet assets, the minimum franchise tax of $200 per year applies. This is paid with the corporate return (Form CD-405 for C-corps, Form CD-401S for S-corps).

The franchise tax return is due on the 15th day of the fourth month following the close of the fiscal year — April 15 for calendar-year corporations.

NC Sales Tax: What Small Business Owners Need to Know

North Carolina's sales tax structure is layered and varies significantly by product type and county. Here's the breakdown:

General Sales Tax Rate

Food and Grocery Sales Tax

Sales Tax Nexus and Registration

If your business makes taxable sales in NC — whether in-person or online — you may have a sales tax collection obligation. Economic nexus rules mean that even out-of-state sellers who exceed $100,000 in NC sales or 200 transactions per year must register and collect NC sales tax. NC businesses must register with NC DOR at ncdor.gov and file returns on a monthly, quarterly, or annual basis depending on volume.

NC Unemployment Insurance Tax

If your business has employees in North Carolina, you owe state unemployment insurance (UI) tax to the NC Division of Employment Security (DES). Key details:

NC UI tax is separate from federal unemployment tax (FUTA, Form 940). Both are owed if you have employees. Sole proprietors, partners, and S-Corp shareholders who are officers are generally excluded from UI coverage.

NC Pass-Through Entity Tax (PTET) Election — The Hidden $5K–$15K Savings

This is the most important and most underutilized tax strategy in North Carolina. The NC PTET election allows S-corporations, partnerships, and multi-member LLCs to pay state income tax at the entity level rather than flowing it through to individual owners' returns.

Why This Matters: The SALT Cap Problem

Since 2018, the federal Tax Cuts and Jobs Act capped the individual deduction for state and local taxes (SALT) at $10,000. For NC business owners paying thousands in state income tax, this cap means they can't deduct most of their NC taxes on their federal return — effectively double-taxing that income.

The PTET election sidesteps this cap. When your business pays state tax at the entity level, that payment is a business deduction — not a personal itemized deduction subject to the $10,000 SALT cap. The business deduction reduces federal taxable income dollar-for-dollar.

How the NC PTET Works

NC PTET can save $5,000–$15,000 for most small business owners — and most CPAs miss it. A business owner with $150,000 of NC-taxable S-Corp income pays approximately $7,125 in NC income tax. If that $7,125 is paid at the entity level via PTET, it reduces federal taxable income by $7,125. At a 24% federal rate, that's an additional $1,710 in federal tax savings — on top of the NC tax that was being paid anyway. Multiply across multiple owners or higher income levels, and the savings compound significantly. Election must be made annually and requires coordination between your entity-level and individual returns.

NC DOR Filing Deadlines

Mark these dates for your 2025 NC tax calendar:

NC extensions are available. Filing a federal extension automatically extends your NC individual return by 6 months (to October 15) — but this is an extension to file, NOT to pay. Any tax owed is still due by April 15 to avoid interest and penalties.

NC Tax Payment Options

North Carolina offers several ways to pay taxes:

Always retain your payment confirmation number and date. NC DOR can take several weeks to post payments, and having documentation protects you from penalty notices on payments that were timely made.

Where NC Doesn't Conform to Federal Tax Law

North Carolina is a "selective conformity" state — it adopts most federal tax law but specifically decouples from certain provisions. Key differences that affect small business owners:

Total Tax Burden Estimate: $150K Business Owner, NC Resident

Single filer, sole proprietor LLC, standard deductions, no retirement contributions.

Net business income: $150,000

Federal SE tax: ~$21,195

SE tax deduction: −$10,598

Federal taxable income (after deductions): ~$124,402

Federal income tax: ~$21,850

NC income tax (4.75% on NC taxable income): ~$6,700

Total tax burden: ~$49,745

Effective combined rate: ~33.2%

With S-Corp election + PTET + retirement contributions: Estimated total tax burden could drop to $32,000–$37,000, saving $12,000–$18,000 annually.

Illustration only. Actual figures depend on deductions, credits, filing status, and planning strategies implemented.

Get a Free Tax Strategy Call

Hykes Financial Group has saved NC small business owners an average of $14,800/year. See what we can save you.

Book Your Free Checkup →