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Washington DUI / DWI Limits (2026)

Info: In Washington the per se limit for adults is 0.08% blood alcohol (RCW 46.61.502), and drivers under 21 are held to a zero-tolerance limit of 0.02%.

InfoVerified May 31, 2026

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In Washington the per se limit for adults is 0.08% blood alcohol (RCW 46.61.502), and drivers under 21 are held to a zero-tolerance limit of 0.02%. A 2026 bill to lower the adult limit to 0.05% passed the Senate but did not pass the House, so the limit remains 0.08%.

Official source: app.leg.wa.gov →

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