Washington Nitrous Oxide Ban (2026): In Force

Ban in force

As of November 12, 2026, Nitrous Oxide is banned from retail sale in Washington, effective June 11, 2026. RCW 69.58.100 (eff. 2026-06-11): selling nitrous canisters or tanks is a crime.

Verified November 12, 2026. Full determination, citations and verbatim law: Is Nitrous Oxide legal in Washington?

When does the Washington Nitrous Oxide ban take effect?

The Washington Nitrous Oxide ban is already in force (effective June 11, 2026); no further effective date is pending.

QuietNo pending legislation, deadlines or enforcement actions on file for Nitrous Oxide in Washington.

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Cite this page

Compound Analytics. “Washington Nitrous Oxide Ban (2026): In Force.” Compound Laws, https://compoundlaws.com/bans/nitrous-oxide/washington/. Accessed November 13, 2026.

Compound Laws, published by Compound Analytics, reports the record: statutes verbatim, official citations, enforcement facts and verification dates. Nothing here is legal advice and nothing here describes how to get around a law. A jurisdiction with no verified row is reported as not yet verified, never as legal. Found an error? Corrections policy.

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