SEPA review archive

King County Comprehensive Plan

Included below are links to environmental review documents for recent and past major Comprehensive Plan updates.

• 2024 Plan Update SEPA – Final Environmental Impact Statement (FEIS) / Draft Environmental Impact Statement (DEIS)
• 2020 Plan Update SEPA -Addendum | Updated Addendum
• 2016 Plan Update SEPA - Addendum
• 2012 Plan Update SEPA - Addendum
• 2008 Plan Update SEPA - Addendum
• 2004 Plan Update SEPA - Addendum
• 2000 Plan Update SEPA - Supplemental EIS
• 1994 Plan Update SEPA (first GMA Plan) – Supplemental EIS | Addenda: Development Regulations
• 1985 Plan Update SEPA (Final EIS)

King County Countywide Planning Policies

Included below are links to environmental review documents for recent and past major Countywide Planning Policy (CPP) updates. This includes documents adopted by reference. 

Multicounty Planning Policy SEPA

• 2020 PSRC - VISION 2050 Final Supplemental Environmental Impact Statement and Appendices
• 2008 PSRC - VISION 2040 Final Environmental Impact Statement and Appendices 

Countywide Planning Policy SEPA

• 2021 King County - CPP SEPA Addendum
• 2012 King County - CPP SEPA Addendum
• 1994 King County - CPP FINAL Environmental Impact Statement | CPP DRAFT Supplemental Environmental Impact Statement