South Dakota Business Taxes for LLCs
South Dakota LLCs pay no state income tax — but you still owe federal taxes, sales tax if you sell taxable goods or services, and payroll taxes if you have employees. Here's what to know.
Bizee Editorial Staff
Editorial Team
South Dakota tax snapshot
Filing fee: $50 (online filing with the South Dakota Secretary of State)
Processing time: 3 Weeks
State agency: South Dakota Secretary of State — Business Services Division
Annual report due: First day of the LLC's anniversary month each year
State tax rate: No state income tax. No franchise tax. State sales tax: 4.2% (plus applicable municipal rates).
How a South Dakota LLC is taxed
South Dakota is one of the most tax-friendly states for LLCs. There's no state income tax, no franchise tax, and no corporate income tax. That means your LLC's profits aren't taxed at the state level — but you still owe federal income tax, and depending on your business, sales tax and payroll taxes may apply.
South Dakota's tax structure is genuinely simple compared to most states — the main thing to get right is federal compliance, not state filings.
State taxes for South Dakota LLCs
South Dakota has no state income tax and no franchise tax, so the main state-level tax obligation for most LLCs is sales tax. If your LLC sells taxable products or services in South Dakota, you need to collect and remit state sales tax to the South Dakota Department of Revenue.
Sales tax
The state sales tax rate is 4.2% on taxable sales of products and services. South Dakota is a destination-based state, so the rate is based on where your customer receives the product or service — not where your business is located. On top of the 4.2% state rate, municipalities can add their own sales tax, so the total rate varies by location.
If your LLC sells taxable goods or services, you need to get a South Dakota sales tax license from the Department of Revenue before you start collecting. You'll file and remit sales tax on a schedule set by the state based on your sales volume.
No state income tax or franchise tax
South Dakota does not impose a personal income tax or a corporate income tax. LLC members don't owe South Dakota state income tax on their share of LLC profits, and an LLC taxed as a corporation doesn't owe state corporate income tax either. There's also no franchise tax. Federal income tax is the primary income tax obligation for South Dakota LLC owners.
Federal taxes for South Dakota LLCs
South Dakota LLCs still owe federal taxes. How your LLC is taxed at the federal level depends on how many members it has and whether you've made a tax election with the IRS. By default, a single-member LLC is taxed as a sole proprietorship and a multi-member LLC is taxed as a partnership — both pass income through to the owners' personal federal returns.
Single-member LLC
A single-member LLC is treated as a disregarded entity by default. You report business income and expenses on Schedule C of your personal Form 1040. You also owe self-employment tax — currently 15.3% on net self-employment income up to the Social Security wage base, and 2.9% on income above that — filed using Schedule SE.
Multi-member LLC
A multi-member LLC is taxed as a partnership by default. The LLC files Form 1065 each year, and each member receives a Schedule K-1 showing their share of income or loss. Members then report that income on their personal federal returns and pay self-employment tax on their share of active business income.
S Corporation or C Corporation election
Any South Dakota LLC can elect to be taxed as a corporation. To be taxed as a C Corporation, file Form 8832 with the IRS. To elect S Corporation status, file Form 2553. An S Corp election can reduce self-employment tax for owners who pay themselves a reasonable salary, but it adds payroll filing requirements. A tax professional can help you figure out whether an S Corp election makes sense for your situation.
Estimated taxes
If your LLC is a pass-through entity, you generally need to pay estimated federal taxes quarterly using Form 1040-ES. The IRS expects quarterly payments if you'll owe $1,000 or more in federal tax for the year. Missing estimated payments can mean an underpayment penalty at tax time.
Employer and payroll taxes
If your South Dakota LLC has employees, you take on both federal and state payroll tax obligations. Federal employment taxes include withholding income tax, Social Security, and Medicare from employee wages, plus the employer's matching share of Social Security and Medicare. You also owe federal unemployment tax (FUTA) on the first $7,000 of each employee's wages.
At the state level, South Dakota requires employers to pay Reemployment Assistance (RA) tax — the state's unemployment insurance tax — administered by the South Dakota Department of Labor and Regulation. Your LLC becomes liable for RA tax once it pays $1,500 or more in wages in any calendar quarter, or employs at least 1 worker in 20 different weeks during a calendar year. New employers generally pay RA tax at 1.2% on the first $15,000 of each employee's wages in the first year. RA reports and payments are due quarterly.
Annual report and state filing fee
South Dakota LLCs must file an annual report with the South Dakota Secretary of State each year to stay in good standing. The annual report is due on the first day of your LLC's anniversary month — the month your LLC was originally formed. The filing fee is $50 when filed online through the Secretary of State's Business Services portal.
The annual report isn't a tax filing — it's a state compliance requirement. But not filing it on time can put your LLC's active status at risk, which creates bigger problems down the road.
FAQ
No. South Dakota does not impose a personal income tax or a corporate income tax. LLC members don't owe South Dakota state income tax on their share of LLC profits. Federal income tax is the primary income tax obligation for South Dakota LLC owners.
Yes. South Dakota has a statewide sales tax rate of 4.2% on taxable sales of products and services. Municipalities can add their own sales tax on top of the state rate, so the total rate varies by location. If your LLC sells taxable goods or services in South Dakota, you need a sales tax license from the Department of Revenue.
No. South Dakota does not have a franchise tax. LLCs in South Dakota don't owe any state-level franchise or privilege tax on their income or net worth.
Yes, in most cases. If your LLC is a pass-through entity and you expect to owe $1,000 or more in federal tax for the year, the IRS requires quarterly estimated tax payments using Form 1040-ES. South Dakota has no state income tax, so there are no state estimated tax payments to make — only federal.
The annual report filing fee is $50 when filed online with the South Dakota Secretary of State. The report is due on the first day of your LLC's anniversary month each year. Filing late or not filing can put your LLC's good standing at risk.
South Dakota LLCs pay federal income tax and self-employment tax on business profits. If the LLC sells taxable goods or services, it collects and remits state sales tax at 4.2% plus any applicable municipal rate. LLCs with employees also owe federal payroll taxes and South Dakota Reemployment Assistance tax. There's no state income tax and no franchise tax.
It depends on your situation. To elect S Corporation status, your LLC files Form 2553 with the IRS. South Dakota doesn't impose a state corporate income tax, so there's no state-level S Corp return to file. At the federal level, an S Corp files Form 1120-S and issues Schedule K-1s to shareholders. Owners who work in the business must pay themselves a reasonable salary as a W-2 employee. A tax professional can help you figure out whether an S Corp election makes sense for your LLC.
