Comparison
California LLC vs. Colorado LLC — head to head
All figures verified against official state portals as of 2026-05-08.
| Factor | California (CA) | Colorado (CO) |
|---|---|---|
| Formation filing fee | $70 | $50 |
| Annual fee | $800/year minimum | ~$5/yr avg ($10 biennial) |
| First-year total cost | ~$890 | ~$50 |
| Ongoing annual cost | $800 min + $10/yr avg SOI + RA service | ~$5/yr avg + RA service |
| Online processing time | 5–10 business days; Expedited available (additional fee) | 1–3 business days; Same-day expedite (+$25) |
| State income tax | Yes | Yes |
| Franchise / gross receipts tax | $800 minimum every year; gross receipts fee above $250K | No franchise tax; members pay ~4.4% flat CO income tax |
| Name reservation | $10 for 60 days | $25 for 120 days |
| Publication requirement | None | None |
| Annual report deadline | $800 FTB franchise tax (April 15) + SOI every 2 years ($20) + FTB-568 return | Biennial Periodic Report ($10 every 2 years) in anniversary month |
| Filing portal | BizFile | CO SOS |
| Name search | CA name search | CO name search |
| Governing statute | CA Corps Code §§ 17701.01 et seq. | CO Rev. Stat. Title 7, Art. 80 |
CA: $70 one-time + $800/yr minimum franchise tax. CO: $50 one-time + $10 biennial report. CA year-1: ~$890. CO year-1: ~$50.
California annual obligations
What a California LLC must file each year
- Due date
- 15th day of 4th month after formation (year 1); April 15 each year thereafter
- Fee
- $800/year minimum
- What to file
- $800 FTB franchise tax (April 15) + SOI every 2 years ($20) + FTB-568 return
- Failure consequence
- 5% per month penalty (max 25%) plus interest. Continued non-payment results in LLC suspension — a suspended CA LLC cannot conduct business or enforce contracts.
- Filing portal
- California annual filing portal
Colorado annual obligations
What a Colorado LLC must file each year
- Due date
- Within 90 days of formation; every 2 years thereafter
- Fee
- ~$5/yr avg ($10 biennial)
- What to file
- Biennial Periodic Report ($10 every 2 years) in anniversary month
- Failure consequence
- $250 penalty for failure to file. Continued non-filing leads to LLC suspension by the CA SOS.
- Filing portal
- Colorado annual filing portal
California name rules
LLC name requirements in California
- Required designators include LLC, L.L.C., or Limited Liability Company.
- Name must be distinguishable from existing CA entities.
- Name reservation: $10 for 60 days.
- Search at CA name search.
Colorado name rules
LLC name requirements in Colorado
- Required designators include LLC, L.L.C., or Limited Liability Company.
- Name must be distinguishable from existing CO entities.
- Name reservation: $25 for 120 days.
- Search at CO name search.
City-specific guides
California and Colorado LLC formation by city
State rules apply statewide; city guides cover local context and additional permits.
Registered agents
Registered agent requirements: California vs. Colorado
| Requirement | California | Colorado |
|---|---|---|
| Required | Yes | Yes |
| Who can serve | CA resident 18+ with in-state street address, or registered CA entity | CO resident 18+ with in-state street address, or registered CO entity |
| Self-serve allowed | Yes (address becomes public state record) | Yes (address becomes public state record) |
| Consent required | Consent or appointment captured in the formation filing | Consent or appointment captured in the formation filing |
| Commercial RA typical cost | $50–$150/yr | $50–$150/yr |
Decision framework
How to choose: California vs. Colorado LLC
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Compare formation costs: CA $70 vs. CO $50 Colorado's $50 Articles of Organization fee is $20 less than California's $70. Colorado also processes faster (1–3 business days standard; same-day expedite available for $25) vs. California's 5–10 business days. Formation fee and processing speed both favor Colorado, but the formation cost difference of $20 is trivial compared to the ongoing cost differential.
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Model year-1 costs: CA ~$890 vs. CO ~$50 Year 1 total: California ~$890 ($70 filing + $800 franchise tax + $20 SOI). Colorado ~$50 (formation only; first biennial report due at 2nd anniversary). California is $840 more expensive in year one. For a bootstrapped Bay Area-to-Denver founder, the $800 California franchise tax owed in the first year of a Colorado LLC is a common gotcha — it applies if the owner retains any California nexus.
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Compare state income tax: CA up to 13.3% vs. CO flat 4.4% California taxes LLC members' pass-through income at graduated rates up to 13.3%. Colorado taxes LLC members at a flat individual income tax rate of approximately 4.4%. For a business with $100K in net income: California income tax up to $13,300/yr vs. Colorado approximately $4,400/yr — a $8,900/yr difference. Over 5 years, a CO founder saves ~$44,500 in state income taxes vs. a CA founder with the same income. The income tax differential is the largest long-term cost factor for tech founders relocating from the Bay Area to Denver/Boulder.
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Evaluate Colorado's biennial Periodic Report vs. California's compliance stack Colorado requires a Periodic Report every 2 years ($10) in the LLC's anniversary month — one of the simplest and cheapest recurring compliance obligations in the biz-license dataset. California's compliance stack includes: Form FTB-3522 ($800 franchise tax, annual), Form FTB-568 (annual LLC return), and Form LLC-12 (biennial SOI, $20). California LLC compliance routinely requires professional tax preparation; Colorado's biennial report is typically DIY.
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Apply the tech-corridor migration rule: CO nexus means CO formation The Bay Area → Denver/Boulder migration is one of the most common founder relocation routes in the biz-license dataset. For a founder who has genuinely relocated to Colorado with no remaining California nexus: form in Colorado, enjoy the flat 4.4% income tax rate, $50 formation fee, and $10 biennial report. Forming a Colorado LLC while still maintaining California operations, employees, or residence triggers California foreign LLC registration ($70 + $800/yr franchise tax) — eliminating all cost advantages. The nexus question is the decisive factor.
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Consider privacy: both states require disclosure, CO process is simpler Both California and Colorado require disclosure of registered agent and organizer information on public SOS records. California's Statement of Information (Form LLC-12, due within 90 days) additionally discloses member or manager names and addresses on the public BizFile record — indexed by search engines. Colorado's Periodic Report and formation documents are public, but the Colorado SOS online portal is widely regarded as simpler and faster than California's BizFile. Both states allow commercial registered agents ($50–$150/yr) to keep the owner's personal address off public records.
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Choose your state and file Colorado: file at sos.state.co.us (Articles of Organization, $50). California: file at bizfileonline.sos.ca.gov (Form LLC-1, $70 + $800 franchise tax within 4 months). After formation in either state, obtain an EIN at irs.gov/ein, draft an operating agreement, and open a business bank account. California filers must also file Form LLC-12 within 90 days.
Provenance
Statute basis & official sources
Last verified 2026-05-08.
California Corporations Code, Title 2.6 (Beverly-Killea LLC Act 2014), §§ 17701.01 et seq.; CA Rev. & Tax Code §§ 17941–17948 (LLC franchise tax); Colorado Revised Statutes, Title 7, Article 80 (CO LLC Act); CO Rev. Stat. § 39-22-104 (CO individual income tax flat rate); IRS guidance on single-member LLC disregarded entity treatment.
Why you need an LLC (either state)
- Without entity formation, the business name is unprotected in both California and Colorado; a competitor can register the same name as an LLC. Check availability and reserve before filing -- California: https://bizfileonline.sos.ca.gov/search/business ($10 for 60 days); Colorado: https://www.sos.state.co.us/biz/BusinessEntityCriteriaExt.do ($25 for 120 days).
- California: failure to file the Statement of Information within 90 days triggers a $250 penalty and eventual LLC suspension.
- California: failure to pay the $800 franchise tax triggers a 5%/month penalty and LLC suspension — a suspended CA LLC cannot enforce contracts or defend itself in court.
- Colorado: failure to file the biennial Periodic Report results in a $50 late fee and potential administrative dissolution after sustained non-compliance.
Official sources
- Llc sos.ca.gov
- bizfileonline.sos.ca.gov bizfileonline.sos.ca.gov
- Limited Liability Company ftb.ca.gov
- Llc Fee ftb.ca.gov
- Codes Displaysection leginfo.legislature.ca.gov
- Businesshome sos.state.co.us
- Crs2024 Title 07 leg.colorado.gov
- Income Tax colorado.gov
- Ein irs.gov
- Business bizfileonline.sos.ca.gov
- Businessentitycriteriaext sos.state.co.us
FAQ
California vs. Colorado LLC — common questions
Is it cheaper to form an LLC in California or Colorado?
Colorado is cheaper on every dimension. Formation fee: CO $50 vs. CA $70. Year 1 total: CO ~$50 vs. CA ~$890 (including the $800 franchise tax). Ongoing annual cost: CO ~$5/yr average (biennial $10 report) vs. CA ~$810/yr ($800 franchise tax + $10/yr average SOI). Over 5 years: CO ~$70 total vs. CA ~$4,130. Colorado is approximately 59× cheaper on a 5-year cost basis for a small LLC.
What is California's gross receipts surcharge for LLCs?
California LLCs with gross receipts of $250,000 or more owe an additional annual fee stacking on top of the $800 minimum franchise tax: $900 ($250K–$499,999), $2,500 ($500K–$999,999), $6,000 ($1M–$4,999,999), $11,790 ($5M+). Colorado has no equivalent gross receipts surcharge — only the $10 biennial Periodic Report. For a $1M-revenue LLC, California's total annual obligation is $6,800+ ($800 + $6,000) vs. Colorado's $5/yr average.
How does Colorado's income tax compare to California's?
Colorado imposes a flat individual income tax rate of approximately 4.4% on LLC members' pass-through income. California imposes graduated income tax rates up to 13.3%. For a business with $200K in net income: California income tax up to ~$26,600 vs. Colorado approximately $8,800 — a $17,800/yr difference. Over 5 years, a CO founder saves ~$89,000 in state income taxes vs. a CA founder with the same income. The income tax differential is the dominant long-term financial factor for tech-corridor migrants.
Can I form a Colorado LLC if I'm relocating from the Bay Area to Denver/Boulder?
Yes — once you have genuinely established Colorado domicile with no remaining California nexus. Key steps: physically move, change your driver's license and voter registration to Colorado, close or cease California business operations, and file a final California tax return for the year of move. If any California nexus remains (employees, clients, physical location, or California-source income), California will likely require a foreign LLC registration ($70 + $800/yr franchise tax) and will continue to tax California-source income. California's FTB aggressively audits departing high-income residents.
What is Colorado's biennial Periodic Report?
Colorado requires LLCs to file a Periodic Report every 2 years in the LLC's anniversary month. The fee is $10 — one of the lowest biennial compliance fees in the biz-license dataset. The report is filed online through the Colorado Secretary of State portal and takes a few minutes. Late filing triggers a $50 penalty. California's biennial Statement of Information costs $20 and carries a $250 non-filing penalty — plus California's $800 annual franchise tax makes the biennial report the least of a CA LLC's compliance concerns.
Does Colorado have a franchise tax on LLCs?
No — Colorado does not impose a franchise tax on LLCs. LLCs in Colorado pay pass-through income tax at the member level at Colorado's flat individual income tax rate (approximately 4.4%) and file the biennial Periodic Report ($10). California imposes an $800 minimum franchise tax every year on every LLC, plus a graduated gross receipts surcharge for higher-revenue LLCs, plus member-level income tax up to 13.3%. The absence of a franchise tax is one of Colorado's primary advantages over California.
Is California or Colorado better for a remote-first tech startup?
Colorado is significantly more cost-effective for a remote-first tech startup with CO-domiciled founders and no CA nexus. Year 1: CO ~$50 vs. CA ~$890. Income tax: CO ~4.4% vs. CA up to 13.3%. Ongoing annual cost: CO ~$5/yr vs. CA ~$810/yr. For a startup with $500K in founder income: CO state income tax ~$22,000/yr vs. CA up to $66,500/yr — a $44,500/yr difference. California formation only makes sense for startups with genuine California operations, employees, or investors that require a CA entity.
What are the registered agent requirements in California vs. Colorado?
Both states require an LLC to maintain a registered agent with a physical in-state street address (no PO boxes) available during normal business hours. In California, the agent cannot be the LLC itself. In Colorado, the registered agent must consent in writing and have a physical Colorado street address. In both states, you can self-serve as RA if you have a valid in-state address, but your address becomes publicly indexed. Commercial RA services start around $50–$150/yr in both states.
§ A Building permits by city
§ B LLC formation guides
§ C Companion tools
Disclaimer: Informational only — not legal advice. LLC laws change; verify with a California or Colorado business attorney or CPA before filing.