Registered Agent by ZIP

Registered Agent by ZIP › California

Registered agent in California (2026)

California ZIP codes begin with 900, 902-908, 910-928, 930-937, 939-941, 943-961, 976. Required: every LLC needs an agent with an in-state street address Mainstay Filing, our best overall pick, serves California at $149 a year; the state fee to change agents is nothing.

  • California rules checked October 20, 2026

California agent requirements

Requirement
Required. 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.
Agent address
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.
ZIP code prefixes
900, 902-908, 910-928, 930-937, 939-941, 943-961, 976 (976 shared with a neighboring state)
Change-of-agent fee
None
Statute
Cal. Corp. Code § 17701.13
Filing office
California Secretary of State
Best overall in California

Mainstay Filing

Our rating: 4.9 out of 5

$149 / year, same at renewal

  • Registered agent address in California
  • Mail and legal-document scanning and forwarding
  • Compliance reminders

Checked October 20, 2026.

Providers with a published California price

ProviderYear 1Renewal
Mainstay Filing$149$149
Launch Registered Agent$34.99$48.99
Northwest Registered Agent$125$125
FreeRegisteredAgent.com$0$129
InCorp Services$129$129
ZenBusiness$99$199
Bizee$149$149
LegalZoom$249$249

Questions

Who can be a registered agent in California?

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.

What address must a California registered agent have?

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.

What does it cost to change registered agents in California?

The state charges no fee to file the change (Cal. Corp. Code § 17701.13).

Which ZIP codes are in California?

California ZIP codes begin with 900, 902-908, 910-928, 930-937, 939-941, 943-961, 976. The prefix 976 also serve addresses in a neighboring state. The ZIP code tells you the state; the agent rules above apply in all of them.

Sources