SB 9 allows owners to build duplexes on lots currently zoned as single-family housing and also offers the option to split lots into two. This ultimately gives owners the ability to build four housing units on a property currently limited to one house.

SB 10 gives jurisdictions the option to upzone land parcels near to transit to allow up to 10 units to be built per parcel. Neither bill has requirements that any of the newly constructed units be affordable.

Read More: https://www.smdp.com/newsom-passed-two-controversial-housing-bills-heres-what-that-means-for-local-development/208891