Washington Petition Signature Requirements (2026)

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

5%

Of enrolled voters — State Representative

2026 filing windows have closed — confirm dates with your election authority.

Signature requirements by office

OfficeMinimum signatures% of enrolled votersDetails
State Representative5%
State Senator5%

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Official sources

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

Washington Secretary of State

Frequently asked questions

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

Washington signature requirements vary by office. State Representative: 5% of enrolled voters; State Senator: 5% of enrolled voters. See the full table above for all offices.

What is the 2026 petition filing deadline in Washington?

Filing windows for Washington have closed or vary by office. Create a free account and confirm dates with your election authority.

Can I validate Washington petition signatures myself?

Yes. Petition Validator lets you upload petition pages and automatically matches each signer against the Washington 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 May 28, 2026. Always confirm requirements and deadlines with your state or local election authority.