California Petition Signature Requirements (2026)

How many signatures you need to qualify for the ballot in California, the 2026 petition filing windows, and how to validate your signatures against the California voter file.

5%

Of enrolled voters — U.S. Representative, State Senator, State Representative, Governor

August 21, 2026

Next deadline — general petition

Signature requirements by office

OfficeMinimum signatures% of enrolled votersDetails
U.S. Representative, State Senator, State Representative, Governor5%
Lieutenant Governor, Attorney General, Secretary Of State, State Treasurer, State Comptroller5%

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Official sources

Always confirm requirements and deadlines with the official California election authority before you file:

California Secretary of State

Frequently asked questions

How many signatures do I need to get on the ballot in California?

California signature requirements vary by office. U.S. Representative, State Senator, State Representative, Governor: 5% of enrolled voters; Lieutenant Governor, Attorney General, Secretary Of State, State Treasurer, State Comptroller: 5% of enrolled voters. See the full table above for all offices.

What is the 2026 petition filing deadline in California?

For the 2026 cycle in California, the next petition deadline is August 21, 2026. Create a free account to see every filing window.

Can I validate California petition signatures myself?

Yes. Petition Validator lets you upload petition pages and automatically matches each signer against the California voter file — checking registration, address, and duplicates in seconds per signature. You can start free, no paid Victory Waves account required.

How does signature validation work?

You upload images of your petition pages; our system transcribes each signature and matches the signer's name, address, and date against official voter registration data to confirm they're a registered voter in the correct jurisdiction.

Petition requirements in other states

Last updated for the 2026 cycle on July 17, 2026. Always confirm requirements and deadlines with your state or local election authority.