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CAReviewed guideLast checked: Nov 3, 20263/6 sourced

California: corporate income tax, a franchise (privilege) tax and an annual report required.

Each fact below cites the agency page we read and the day we read it. Where a rule is still being confirmed, the page says so instead of showing a zero.

Verified facts

  • Corporate income tax

    Yes

    California corporate franchise/income tax applies to qualifying corporations; SOS and CDTFA obligations are separate.

    Reviewed · Nov 3, 2026
  • Franchise or privilege

    Yes

    Reviewed · Nov 3, 2026
  • Entity annual report

    Yes

    Reviewed · Nov 3, 2026
  • Return due date

    Not verified

    Not verified
  • Extension

    Not verified

    Not verified
  • Zero activity / minimum tax

    Not verified

    Not verified

2026 guide

California taxes corporations incorporated, registered, doing business, or receiving California-source income. A C corporation generally files Form 100; the rate is 8.84% and the minimum franchise tax is $800. An S corporation files Form 100S; the rate is 1.5% and the annual $800 minimum also applies, with specific first-year exceptions.

The corporation must review the Secretary of State Statement of Information and any separate CDTFA permit. Esta información es para preparación y no promete ahorros, reembolsos, protección frente a auditorías, representación ni resultados. Reúna la declaración federal, registros contables, nómina, ingresos por jurisdicción, documentos de entidad y comprobantes de pagos.

Las fechas de presentación y pago pueden ser distintas. Verifique el formulario oficial vigente antes de presentar.

Dates, extensions and payments

Filing and payment dates stay separate wherever the source supports it.

  1. Entity report

    Entity report

    Reviewed · Nov 3, 2026

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Frequently asked questions

What is the main filing?

Use the cited official form and verify entity-specific requirements.

Chosen because their corporate filing profile matches this one.

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