Growth Management Act Laws and Rules

The Washington State Growth Management Act requires cities and counties to develop comprehensive plans and development regulations for their communities. This page serves as a resource for laws and rules that are required to implement the Growth Management Act.

Washington State Capitol Building

Growth Management Act - Revised Code of Washington

Chapter 36.70A RCW – Growth Management-Planning by Selected Counties and Cities

Chapter 36.70B RCW – Local Project Review

Chapter 36.70C RCW – Judicial Review of Land Use Decisions

Growth Management Act Amendments

The following is a link to a summary of GMA amendments from 1995 to 2022. Growth Management Act Amendments 1995-2022 (PDF)

Washington Administrative Code (Rules)

Chapter 365-185 WAC – Procedures for management of growth management planning and environmental review fund

Chapter 365-190 WAC – Minimum guidelines to classify agriculture, forest, mineral lands and critical areas

Chapter 365-195 WAC – Best Available Science

Chapter 365-196 WAC – Procedural criteria for adopting comprehensive plans and development regulations

Chapter 365-197 WAC – Project Consistency

Chapter 365-198 WAC – Interlocal terms and conditions for the transfer of development rights

Chapter 365-199 WAC – Procedures for making a determination of compliance for jurisdictions seeking voluntary reversion to partial planning status

Current Growth Management Act Rulemaking

The Department of Commerce is updating the administrative rules for the GMA. Commerce initiated the rulemaking process on December 29, 2020 and released a scope of proposed changes on June 16, 2021. Commerce hosted two public hearings on proposed amendments to the rules on July 26, 2022 and July 27, 2022. Commerce intends to finalize rulemaking by March 15, 2023. For more information about the update, please visit our EZ View site: Growth Management Act WAC Update