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 DakotaDeductions & 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
Track Your North Dakota Business Expenses
TaxTidy helps North Dakota freelancers and self-employed individuals track every business expense with AI-powered receipt scanning. Snap a photo of any receipt and TaxTidy instantly extracts the vendor, amount, and tax category — then maps it to the correct IRS Schedule C line. At tax time, generate an audit-ready PDF report with all your deductions organized and totaled.
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.
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