Self-employed in South Dakota: taxes and retirement for 2026

What consultants, freelancers, content creators, entrepreneurs, gig workers, tipped workers and tradespeople in South Dakota need to know this year: South Dakota income and estimated tax rules, and how to save for retirement without an employer plan.

Guides for South Dakota

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South Dakota rules that apply

State income tax (2026): South Dakota has no state income tax on wages or self-employment income. South Dakota has no personal income tax.
Contractor's excise tax: This is a 2% tax on gross receipts from construction services and from building, installing, or repairing fixtures to real property. Anyone doing this work must hold a South Dakota contractor's excise tax license.
Sales tax on services: The 4.2% state sales tax applies to gross receipts from retail sales, including services unless specifically exempt. Businesses with a physical presence in South Dakota need a sales tax license whatever their size.
Minimum wage (2026): $11.85 an hour; tipped cash wage $5.92 an hour. Effective January 1, 2026. The tipped cash wage is half the minimum wage ($5.925 per the state; USDOL rounds it to $5.93), and employers must make sure tipped workers earn at least the full minimum wage.
Unemployment two-part independent contractor test (SDCL 61-1-11): Paid work counts as employment unless the Department of Labor and Regulation is satisfied that the worker is free from control or direction, both under the contract and in fact, and is customarily engaged in an independent trade or business.

Questions

Do self-employed people in South Dakota pay state income tax?

South Dakota has no state income tax on wages or self-employment income. South Dakota has no personal income tax.

Are there other South Dakota taxes for self-employed self-employed people?

Contractor's excise tax: This is a 2% tax on gross receipts from construction services and from building, installing, or repairing fixtures to real property. Anyone doing this work must hold a South Dakota contractor's excise tax license. Sales tax on services: The 4.2% state sales tax applies to gross receipts from retail sales, including services unless specifically exempt. Businesses with a physical presence in South Dakota need a sales tax license whatever their size.

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Sources

Facts researched from official sources and independently re-checked; last verified October 2026, next scheduled review 2027-01-02. Educational information for 2026, not tax, legal or investment advice. Rules change; check the official sources listed and a tax professional for your situation. Gigaverse AI, Inc. is a financial technology company, not a bank, and not itself a registered investment adviser or broker-dealer.