How to Form an LLC: The Complete 50-State Guide (2026)
There are more than 21 million active LLCs operating in the United States, and LLCs accounted for the majority of all new business entity formations in 2025, according to IRS Statistics of Income data. That's not a trend. That's a verdict. The LLC has become the default business structure for a reason.
But here's the problem: search "how to form an LLC" and you'll land on pages built by the companies selling you formation packages. Their content is technically accurate and strategically incomplete. They'll walk you through the steps, then hit you with upsells for services you don't need, including a paid EIN that's free directly from the IRS.
This guide is different. No affiliate angles. No upsells. Just a vendor-neutral, plain-English walkthrough covering every required step, what it actually costs in your state, which business structure you should pick, and the mistakes that quietly destroy the liability protection you're paying to build.
What Is an LLC (and Why 85% of New Businesses Pick One)?
An LLC, short for limited liability company, is a legal structure that separates your personal assets from your business's debts and liabilities. That separation is the whole point. If your business gets sued, or runs up debt it can't pay, creditors generally can't come after your personal bank account, your house, or your car. The business is its own legal person, and its problems stay with it.
Pass-Through Taxation, Explained Simply
The LLC itself doesn't pay income taxes. Profits and losses pass through to the owners' personal tax returns. You pay income tax on your share of the profits at your individual rate, not at a separate corporate rate. This is different from a traditional C-Corporation, which pays corporate income tax first, then shareholders pay again when profits are distributed as dividends.
What "Limited Liability" Actually Means
Your personal exposure is limited to what you've put into the business. If you invest $10,000 in your LLC and the business fails with $200,000 in debt, creditors can go after the $10,000 inside the business, not your personal savings. Exceptions: personal guarantees on loans bypass the shield, and commingling personal/business money can let courts "pierce the corporate veil."
LLC vs. S-Corp vs. Sole Proprietorship: Which Do You Actually Need?
For most bootstrapped founders, start as a sole proprietor or single-member LLC. An S-Corp election typically only makes financial sense once your annual net profit clears about $60,000 to $80,000. Below that threshold, the compliance costs usually eat the tax savings.
| Structure | Liability Protection | Self-Employment Tax | Formation Cost | Best For |
|---|---|---|---|---|
| Sole Proprietorship | None | 15.3% on all net profit | $0 | Testing an idea |
| Single-Member LLC | Yes | 15.3% on all net profit | $35–$500 | Most bootstrapped founders |
| LLC + S-Corp Election | Yes | On salary only; distributions exempt | $35–$500 + payroll | Net profit above $60K–$80K/yr |
| C-Corporation | Yes | Salary subject to payroll tax | $100–$500+ | VC-backed startups |
How Do You Form an LLC in 7 Steps?
Step 1: Choose a Compliant Business Name
Check your state's Secretary of State business name database (usually searchable for free online). Your LLC name must include "LLC," "L.L.C.," or "Limited Liability Company." Cost: $0 to search; $10–$50 to reserve.
Step 2: Choose Your Formation State
Form in your home state. This is the right answer for about 95% of bootstrapped founders. The Delaware/Wyoming myth is covered in detail later in this guide.
Step 3: Appoint a Registered Agent
A person or company designated to receive official legal documents. You can serve as your own (free, but address becomes public) or hire a service ($50–$300/yr).
Step 4: Choose Your Management Structure
Pick member-managed unless you have a specific reason not to. For single-member LLCs, this is straightforward.
Step 5: File Articles of Organization
Go to your state's Secretary of State website and file online. Takes 15–30 minutes. Cost: $35–$500.
Step 6: Create an Operating Agreement
Required in CA, NY, MO, ME, DE; strongly recommended everywhere else. Even single-member LLCs benefit — it creates a paper trail proving your LLC operates as a separate entity. Cost: $0 with a template; $200–$1,000 with an attorney.
Step 7: Get Your EIN
Apply directly at irs.gov/ein. Takes 10 minutes. The EIN is 100% free directly from the IRS. Never pay a third party for it.
How Much Does It Really Cost? (State-by-State Breakdown)
| State | Filing Fee | Annual Fee | Year-1 Est. |
|---|---|---|---|
| Montana | $35 | $20 | $55–$155 |
| Kentucky | $40 | $15 | $55–$155 |
| Arizona | $50 | $0 | $50–$150 |
| Florida | $125 | $138.75 | $264–$364 |
| Illinois | $150 | $75 | $225–$325 |
| New York | $200 | $9 | $209–$309 |
| Texas | $300 | $0 | $300–$400 |
| Massachusetts | $500 | $500 | $1,000–$1,100 |
| California | $70 | $800 franchise tax | $870–$970 |
The California Franchise Tax Trap
California's $70 filing fee is deceptively low. Every LLC registered in California owes an $800 annual franchise tax to the Franchise Tax Board, every year, regardless of whether the LLC earns a single dollar.
What Are the 5 Mistakes That Quietly Void Your LLC Protection?
The legal term for losing your LLC liability protection is "piercing the corporate veil." It means a court has decided your LLC and you personally are effectively the same entity.
1. Commingling personal and business funds. Open a business bank account the week you form. Pay all business expenses from it.
2. Undercapitalization at formation. Fund the LLC with a reasonable initial deposit, documented in your operating agreement.
3. No operating agreement. Create one when you form, even if it's a simple single-member template.
4. Skipping annual reports. Calendar your deadline the day you form. Administratively-dissolved LLCs may not provide the protection you think.
5. Signing contracts personally instead of as the LLC. Always sign as "[Your Name], Member, [Your LLC Name], LLC."
Should You Form in Delaware or Wyoming?
For 95% of bootstrapped founders, no. Form in your home state. If you form in Delaware but operate in Texas, you'll need to register as a foreign LLC in Texas — paying two filing fees, two annual fees, and two registered agents for no meaningful benefit.
Delaware: Right for VC-backed startups raising institutional capital. Investors require it for the Court of Chancery precedent.
Wyoming: Right for holding structures with strong charging order protection and privacy needs. Not a default for operating businesses.
DIY vs Formation Service vs Attorney
DIY ($35–$500): Right for most single-member LLCs. Use your Secretary of State's website + a free operating agreement template + irs.gov for the EIN.
Formation Service ($0–$300 above state fee): Convenience, not legal advice. Most "free" offers are lead-gen for registered agent renewals at year two.
Attorney ($500–$2,000): Worth it for: multi-founder LLCs with unequal splits, IP/real estate contributions, near-term fundraising, professional licensing intersections.
Conclusion
Forming an LLC is not complicated. It's a filing, a federal form, and a bank account. Five things to remember:
- 7 steps, under $300 in most states.
- Form in your home state unless you have a specific advanced use case.
- Entity choice scales with profit. S-Corp election makes sense above $60K–$80K net.
- Protect your shield from day one. Open a business bank account immediately.
- The EIN is free. Never pay anyone for it.
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