The cost to form an LLC for a Brookings business starts with the $150 South Dakota filing fee. Add annual fees, a registered agent, and local Brookings business taxes below.
Last updated: May 2026 · Data: MIT Living Wage Calculator, C2ER, U.S. Census, BLS, IRS, state and city sources
South Dakota charges a $150 filing fee to form an LLC and a $50 annual report each year. South Dakota has no state income tax, no corporate income tax, and no inheritance tax. It is a popular state for trust formation due to its favorable trust laws.
| Cost Item | Amount | When Due |
|---|---|---|
| South Dakota Filing Fee | $150 | One-time at formation |
| Annual report | $50 | Annually |
| Registered Agent Service | $49 to $300/year | Annually |
| Local Brookings Business License / Tax | Varies by industry | Annually |
| Operating Agreement | $0 to $500 | One-time (recommended) |
| EIN (Federal Tax ID) | Free | One-time (IRS.gov) |
South Dakota has no state income tax and no local business income tax. Brookings requires a sales tax license for businesses that sell goods, and the state charges an annual report fee for LLCs. Budget for those on top of the South Dakota LLC filing fee.
Brookings is home to South Dakota State University, the largest university in the state, with an economy built on higher education and agricultural research, manufacturing (including a major appliance plant), healthcare, and a strong small-city quality of life.
| Local Metric | Brookings (2026 estimate) |
|---|---|
| Metro population | 24,000 |
| County / jurisdiction | Brookings County |
| Cost of living index (US avg = 100) | 82 |
| MIT living wage, single adult | $18.50/hour |
| MIT living wage, one earner supporting a family of four | $38.00/hour |
| Applicable minimum wage | $11.20/hour |
| Average rent, 1-bedroom | $850/month |
| Average rent, 2-bedroom | $1,050/month |
| Median home price | $280,000 |
| Median household income | $55,000/year |
| Combined sales tax rate | 6.5% |
| Effective property tax rate | 1.3% of value/year |
Local figures are 2026 estimates compiled from the MIT Living Wage Calculator, the C2ER Cost of Living Index, U.S. Census and Zillow housing data, and city and county sources. Verify current figures before relying on them.
The LLC filing fee is set by South Dakota at $150, since LLCs are formed at the state level. Add the $50 annual report (each year), a registered agent (about $49 to $300/year), and any local Brookings business license or tax. South Dakota has no state income tax and no local business income tax. Brookings requires a sales tax license for businesses that sell goods, and the state charges an annual report fee for LLCs. Budget for those on top of the South Dakota LLC filing fee.
South Dakota has no state income tax and no local business income tax. Brookings requires a sales tax license for businesses that sell goods, and the state charges an annual report fee for LLCs. Budget for those on top of the South Dakota LLC filing fee.
Plan for the $50 annual report, registered agent renewal (about $49/year), and any local Brookings business license or tax. The calculator above totals these for you.
LLCs are registered with the South Dakota Department of Revenue at the state level, not the city. You then comply with local Brookings requirements such as a business license, zoning, and any city business tax. There is no separate city-level LLC filing.
If your business actually operates in Brookings, forming in South Dakota is usually simplest. Forming in Delaware or Wyoming while operating in Brookings typically forces you to register as a foreign LLC in South Dakota anyway, paying fees in both states.