SB 9 Part Two - Urban Lot Splits and Subdivision Map Act Changes

In a nutshell: SB 9 would require cities and counties to ministerially approve the subdivision of an urban parcel zoned for residential use into two approximately equal parcels.

SB 9 would allow up to four homes on single family lots where currently only one home exists. It would do so by allowing existing single-family homes to be converted into duplexes; it would also allow single-family parcels to be subdivided into two lots, while allowing for a new two-unit building to be constructed on the newly formed lot. (See May 22, 2021 Senate Floor Analysis).