Washington law

Administrative Laws in Washington.

Washington administrative law is governed by the Administrative Procedure Act (APA, RCW 34.05). Judicial review of state-agency action is generally available in the Superior Court under RCW 34.05.510 et seq., with appeal to the Washington Court of Appeals and discretionary review by the Washington Supreme Court. Washington's Office of Administrative Hearings (OAH) adjudicates contested cases for many agencies under RCW 34.12.

Last verified: 2026-04-20

State law

Key Washington Statutes

Washington Administrative Procedure ActRCW 34.05

Washington's APA — governs state-agency rulemaking, contested cases, and judicial review of agency action.

Office of Administrative HearingsRCW 34.12

Establishes Washington's centralized Office of Administrative Hearings, which adjudicates contested cases for many state agencies — an unusual feature of Washington administrative practice.

State law

Official Sources

Washington Office of Administrative Hearings Washington Courts — Court of Appeals

Not Legal Advice

This page summarizes publicly available statutes and rules for informational purposes only. It does not constitute legal advice, and no attorney-client relationship is created by viewing this content. Laws change — always verify with the primary source or consult a licensed attorney in Washington.

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Administrative Laws in Washington.

Key Washington Statutes

Official Sources

Not Legal Advice

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Other state law topics.