COLA percentages for LEOFF Plan 1 (effective April 1, 2025) Retirement Dates Adjustment April 2, 2024 – March 31, 2025 0.00% January 1, 2024 – April 1, 2024 3.61% April 2, 2023 – December 31, 2023 9.33% Prior to April 2, 2023 3.61% LEOFF Plan 1 COLAs are effective April 1 and included with April […]