North Dakota Small Business Tax Guide — 2026
Income Tax Rate
1.95% flat rate
Sales Tax Rate
5% state + local (total typically 5% — 8%)
Filing Deadline
April 15 (matches federal deadline)
North Dakota Income Tax
North Dakota imposes a state income tax with rates of 1.95% flat rate. Self-employed individuals, freelancers, and sole proprietors pay this tax on their net business income in addition to federal income tax and federal self-employment tax (15.3%).
Self-Employment in North Dakota
North Dakota has one of the lowest income tax rates in the nation at a flat 1.95%. Self-employment income is taxed at this low rate. No separate state SE tax.
Estimated Tax Requirements
Quarterly estimated payments required if you expect to owe $500 or more. Standard federal due dates apply.
North Dakota Deductions & Credits
- North Dakota starts with federal taxable income
- Most federal deductions flow through automatically
- Credit for taxes paid to other states
Business Filing Fees
LLC: $135 formation + $50 annual report. Corporation: $100 formation + $50 annual report.
Key Facts About North Dakota Taxes
- North Dakota's 1.95% flat rate is among the lowest state income tax rates in the nation
- Moved to a flat tax from a progressive system
- Uses federal taxable income as the starting point — simple to file
- Oil and gas industry provides additional revenue, keeping individual rates low
The Part North Dakota Does Not Do For You
Whatever North Dakota takes, it takes on your net profit — and net profit is just what you earned minus what you can prove you spent. The proving is on you, and it is where most of the money leaks out.
TaxTidy is where the proof lives. Photograph a receipt and it reads the vendor, the amount and the date in about three seconds, then files the expense on its Schedule C line. Nothing gets typed in twice, and nothing depends on you remembering a purchase from eight months ago.
Because North Dakota wants its own return alongside the federal one, the same organized record does double duty — one set of receipts, sorted once, ready for whichever deadline comes first. Your Audit Readiness Score shows you how solid that record is before anyone else asks.
Frequently Asked Questions
What is North Dakota's income tax rate?
North Dakota has a flat 1.95% income tax rate — one of the lowest in the nation for states with an income tax.
Does North Dakota use federal taxable income?
Yes. North Dakota starts with federal taxable income, so most federal deductions automatically carry over to your state return.
When are North Dakota estimated taxes due?
Quarterly on April 15, June 15, September 15, and January 15. Required if you expect to owe $500 or more.
Official source: North Dakota Department of Revenue
TaxTidy provides expense organization tools based on the most current US tax law available to it. TaxTidy is not a CPA, Enrolled Agent, or licensed tax professional. All categorizations, deductions, and tax calculations are estimates. Please verify all data for accuracy and consult a certified tax professional before filing.
Start Tracking Your North Dakota Business Expenses
Your first 25 scans are on us — free for life, no card required. Enough to sort this quarter's receipts by Schedule C line and see your Audit Readiness Score for the first time.
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