The cost to form an LLC for a Rock Springs business starts with the $100 Wyoming filing fee. Add annual fees, a registered agent, and local Rock Springs business taxes below.
Last updated: May 2026 · Data: MIT Living Wage Calculator, C2ER, U.S. Census, BLS, IRS, state and city sources
Wyoming charges a $100 filing fee to form an LLC and a $60 annual report each year. Wyoming has no income tax, no corporate tax, and no estate tax. It is a popular state for LLC formation due to strong privacy protections and low taxes. The annual report for LLCs is based on assets located in Wyoming.
| Cost Item | Amount | When Due |
|---|---|---|
| Wyoming Filing Fee | $100 | One-time at formation |
| Annual report | $60 | Annually |
| Registered Agent Service | $49 to $300/year | Annually |
| Local Rock Springs Business License / Tax | Varies by industry | Annually |
| Operating Agreement | $0 to $500 | One-time (recommended) |
| EIN (Federal Tax ID) | Free | One-time (IRS.gov) |
Wyoming has no state income tax and no gross receipts tax. Rock Springs requires a sales tax license for businesses that sell goods, and the state charges an annual report fee for LLCs based on assets. Budget for those on top of the Wyoming LLC filing fee.
Rock Springs anchors southwestern Wyoming and is a center of trona (soda ash) mining, hosting some of the largest deposits in the world, alongside oil and gas, power generation, and a historically diverse, immigrant-rooted mining community.
| Local Metric | Rock Springs (2026 estimate) |
|---|---|
| Metro population | 23,000 |
| County / jurisdiction | Sweetwater County |
| Cost of living index (US avg = 100) | 88 |
| MIT living wage, single adult | $18.50/hour |
| MIT living wage, one earner supporting a family of four | $38.00/hour |
| Applicable minimum wage | $7.25/hour |
| Average rent, 1-bedroom | $900/month |
| Average rent, 2-bedroom | $1,100/month |
| Median home price | $250,000 |
| Median household income | $75,000/year |
| Combined sales tax rate | 5% |
| Effective property tax rate | 0.55% 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 Wyoming at $100, since LLCs are formed at the state level. Add the $60 annual report (each year), a registered agent (about $49 to $300/year), and any local Rock Springs business license or tax. Wyoming has no state income tax and no gross receipts tax. Rock Springs requires a sales tax license for businesses that sell goods, and the state charges an annual report fee for LLCs based on assets. Budget for those on top of the Wyoming LLC filing fee.
Wyoming has no state income tax and no gross receipts tax. Rock Springs requires a sales tax license for businesses that sell goods, and the state charges an annual report fee for LLCs based on assets. Budget for those on top of the Wyoming LLC filing fee.
Plan for the $60 annual report, registered agent renewal (about $49/year), and any local Rock Springs business license or tax. The calculator above totals these for you.
LLCs are registered with the Wyoming Department of Revenue at the state level, not the city. You then comply with local Rock Springs 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 Rock Springs, forming in Wyoming is usually simplest. Forming in Delaware or Wyoming while operating in Rock Springs typically forces you to register as a foreign LLC in Wyoming anyway, paying fees in both states.