What does California SDI mean? 1.22K viewsOctober 10, 2022Banking and Finance 0 Sam Smith11.38K March 29, 2021 0 Comments Spread the loveSpread the love 1 Answer ActiveVotedNewestOldest 0 Blogolu28.38K Posted March 31, 2021 0 Comments Spread the loveState Disability Insurance Program About the State Disability Insurance Program. SDI is a partial wage-replacement insurance plan for eligible California workers. SDI is a deduction from employees’ wages. Spread the love Login