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.
Signature requirements by office
| Office | Minimum signatures | % of enrolled voters |
|---|---|---|
| State Representative | — | 5% |
| State Senator | — | 5% |
2026 petition deadlines
State Representative; State Senator
- Primary petition deadline:
- May 15, 2026
- Primary election:
- August 4, 2026
- General election:
- November 3, 2026
Validate your Washington petition signatures — free
Upload your petition pages and match every signer against the Washington voter file in seconds. No paid account required.
Start validating freeFrequently 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?
For the 2026 cycle in Washington, the primary petition deadline is May 15, 2026. Confirm exact dates for your office above and 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.
Last updated for the 2026 cycle on May 28, 2026. Always confirm requirements and deadlines with your state or local election authority.