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Registered agent cost calculators + California

3 Best Registered Agents in California (2026): Cost Calculator

Run for 2026, the registered agents in California that come out best are Mainstay Filing ($149/yr), California Registered Agent.ai ($99/yr) and CA Registered Agent.org ($99/yr), in that order. First-year inputs run $99 to $149, which produces $297 to $447 by year three.
Calculated by the Formation Calc editorial team

Result order: Formula: 41% cost, 27% coverage, three lesser terms. Details

Main figures

Agent requirementYesleginfo.legislature.ca.gov {input read October 2026, shown in full}
What year one calculates to$99 to $149A single agent year
Three-year band$297 to $447Three years of provider fees
Statement of Information$20 per two-year cyclesos.ca.gov {input read October 2026, shown in full}
Swap yearNone in ten yearsRanking steady to year 10

The California calculations

Ranked by the formula. The agent you name has no bearing on state fees.
1

1. Mainstay Filing: best for companies that may expand

Leads the results
Year-1 input$149
Renewal input$149/yr
Result at year 3$447
Year 1 = $149; later years = $149

Mainstay Filing gives the best result in California: a steady $149 a year, whatever state is entered.

California Registered Agent.ai is $150 lower at year three, but the 27% coverage term still ranks this one first.

Inputs covered

  • A real address in the state
  • Up to three government mailings a year, scanned free
  • Covers LLCs, corporations, LPs, LLPs and nonprofits

Adds up well

  • Fifty-state reach
  • Year 1 $149, year 2 $149

Adds up badly

  • $50 a year above California Registered Agent.ai
  • Covers the agent role only
2

2. California Registered Agent.ai: best for owners watching every dollar

In-state provider
Year-1 input$99
Renewal input$99/yr
Result at year 3$297
Year 1 = $99; later years = $99

Next in the results, California Registered Agent.ai: agent service in one state for $99 a year.

Inputs covered

  • A street address inside the state
  • Served papers appear in your login

Adds up well

  • A lower yearly price than Mainstay Filing
  • Constant $99 per year

Adds up badly

  • Expanding means finding a new agent
  • Statement of Information stays on your list
3

3. CA Registered Agent.org: best for a local backup

In-state provider
Year-1 input$99
Renewal input$99/yr
Result at year 3$297
Year 1 = $99; later years = $99

Next in the results, CA Registered Agent.org: agent service in one state for $99 a year.

The year-one and renewal inputs both equal California Registered Agent.ai's.

Inputs covered

  • A street address inside the state
  • Served papers appear in your login

Adds up well

  • Constant $99 per year
  • A lower yearly price than Mainstay Filing

Adds up badly

  • Expanding means finding a new agent
  • Statement of Information stays on your list

What each service adds up to

RankServiceResult, year 1Result, year 2Result, year 3Result, year 5
1Mainstay Filing$149$298$447$745Open Mainstay FilingPartner link. We may earn money if you buy.
2California Registered Agent.ai$99$198$297$495Open California Registered Agent.aiPartner link. We may earn money if you buy.
3CA Registered Agent.org$99$198$297$495Open CA Registered Agent.orgPartner link. We may earn money if you buy.
Service fees only, calculated from each company's prices as of November 13, 2026. The order of results holds for ten years.

Cost calculator

How long will the company stay open? Enter the years and compare.
Result for 3 years: Mainstay Filing $447, California Registered Agent.ai $297, CA Registered Agent.org $297. Lowest at that point: California Registered Agent.ai.

California fee list

InputAmountSource
Formation charge$70leginfo.legislature.ca.gov {input read August 2026, shown in full}
Statement of Information$20 every two yearssos.ca.gov {input read October 2026, shown in full}
Late report$250sos.ca.gov {input read October 2026, shown in full}
State minimum tax$800 per yearftb.ca.gov {input read October 2026, shown in full}
State side, 3 years$2,490Calculated from the inputs above
Three years of state charges mean one filing, two reports and any yearly minimum tax. Publication and similar costs are noted separately.

Notes on the order

Weight 27%: filing work in the price. That term separated the top two.

California Registered Agent.ai costs less here, but reach across fifty states weighed more.

The California agent for service of process rule as the state states it (California Secretary of State)

Every LLC must name a registered agent with an in-state street address.

A California resident, or a corporation registered with the Secretary of State as a corporate agent under Corporations Code § 1505. A business cannot act as its own agent for service of process. Governing section: Cal. Corp. Code § 17701.13.

An individual agent's California street address goes on the public record. A registered corporate agent's address is already on file with the state and is not repeated in the company's filing.

Official text: leginfo.legislature.ca.gov {input read October 2026, shown in full}

State fees only

Owners who meet the address rule may serve for free, while the services above put a price of $99 to $149 a year on the convenience.

Quick answers

What does a California registered agent charge per year?

Plan on $99 to $149 a year.

What do three years of agent service cost?

Year one plus two renewals calculates to $297 to $447.

Is an agent for service of process a must for a California LLC?

Yes, it does. Every LLC must name a registered agent with an in-state street address.

Can the owner be the agent for service of process?

Yes, once both rules above are satisfied.

What does the state charge the LLC each year?

$20 every two years goes to the Statement of Information, with the state setting the deadline at last day of the LLC's registration-anniversary month, biennially. The minimum tax comes with it.

When does one service pass another in total cost?

They hold one order for ten years.

Which registered agent calculates best in California?

By the five-term formula the California order is Mainstay Filing, California Registered Agent.ai and CA Registered Agent.org, led by Mainstay Filing on filing work in the price.

Input sources

  1. California Secretary of State is entered from sos.ca.gov (August 2026).
  2. California Secretary of State is entered from bpd.cdn.sos.ca.gov (August 2026).
  3. California yearly filing: Statement of is entered from sos.ca.gov (October 2026).
  4. Cal is entered from leginfo.legislature.ca.gov (August 2026).
  5. California registered agent statute is entered from leginfo.legislature.ca.gov (October 2026).
  6. California other cost: Annual LLC is entered from ftb.ca.gov (October 2026).
  7. California other cost: Annual LLC is entered from ftb.ca.gov (October 2026).
  8. Input from Mainstay Filing: California service page (November 13, 2026)
  9. Input from California Registered Agent.ai: pricing page (November 13, 2026)
  10. Input from CA Registered Agent.org: pricing page (November 13, 2026)