Only in name. SB-9 can be sidestepped by rezoning to RH-2 (two family), but adding requirements that make building anything other than single family infeasible. E.g. https://www.zfplaw.com/blog/2021/12/thinking-of-utilizing-sb...

Recalcitrant cities have maliciously complied with the law and are preventing economically feasible housing from being built by leveraging SB-9.