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SB 9 does end single family zoning in that it allows duplexes to be built on all lots currently zoned for single family housing. I agree that the title should r

SB 9 does end single family zoning in that it allows duplexes to be built on all lots currently zoned for single family housing. I agree that the title should reflect that the linked press release covers three bills: SB 8, 9, and 10, which change many things in California housing policy. > This bill, among other things, would require a proposed housing development containing no more than 2 residential units within a single-family residential zone to be considered ministerially, without discretionary review or hearing, if the proposed housing development meets certain requirements, including, but not limited to, that the proposed housing development would not require demolition or alteration of housing that is subject to a recorded covenant, ordinance, or law that restricts rents to levels affordable to persons and families of moderate, low, or very low income, that the proposed housing development does not allow for the demolition of more than 25% of the existing exterior structural walls, except as provided, and that the development is not located within a historic district, is not included on the State Historic Resources Inventory, or is not within a site that is legally designated or listed as a city or county landmark or historic property or district. Source: https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=202120220SB9 https://leginfo.legislature.ca.gov/faces/billNavClient.xhtml...

boulos 5y ago
> SB 9 does end single family zoning in that it allows duplexes to be built on all lots currently zoned for single family housing But that's not the same. Ending RH-1 would mean something like "no more RH-1 buildings will be permitted, you must build at least two". Instead, it's "if you have an RH-1 lot, you are allowed to build up to two units". So I'd say it makes RH-1 also mean RH-2, but doesn't "end" it in the sense most people interpret. (E.g., In San Francisco, you would be unlikely to get planning approval to build a single-family home on an RH-2 zoned lot, because it should have been used for two units).
koolba 5y ago
Can the sub lots be subdivided recursively as long as they’re above the minimum 800 sqft dwelling size?
- rrrrrrrrrrrryan 5y ago
  Probably not. Duplexes are attached and usually have one owner. https://en.wikipedia.org/wiki/Duplex_(building) https://en.wikipedia.org/wiki/Duplex_(building) They were popular in many cities in the 70s as starter homes. The idea was that you'd buy the whole thing, then rent out one half to help offset your mortgage.
  - r00fus 5y ago
    But SB9 also allows lot-splitting if the plot is large enough, right? Also allows duplexes original lot could be x2 and each of those can have one duplex. Obviously this lot-splitting may not work in areas like Los Altos where each single family lot by city law is required to be 10k sqft or larger (unsure how local laws will interact with SB9). But question @koolba asks is still valid - can you recursively split large lots into many smaller lots?

boulos 5y ago

> SB 9 does end single family zoning in that it allows duplexes to be built on all lots currently zoned for single family housing But that's not the same. Ending RH-1 would mean something like "no more RH-1 buildings will be permitted, you must build at least two". Instead, it's "if you have an RH-1 lot, you are allowed to build up to two units". So I'd say it makes RH-1 also mean RH-2, but doesn't "end" it in the sense most people interpret. (E.g., In San Francisco, you would be unlikely to get planning approval to build a single-family home on an RH-2 zoned lot, because it should have been used for two units).

koolba 5y ago

Can the sub lots be subdivided recursively as long as they’re above the minimum 800 sqft dwelling size?

rrrrrrrrrrrryan 5y ago
Probably not. Duplexes are attached and usually have one owner. https://en.wikipedia.org/wiki/Duplex_(building) https://en.wikipedia.org/wiki/Duplex_(building) They were popular in many cities in the 70s as starter homes. The idea was that you'd buy the whole thing, then rent out one half to help offset your mortgage.
- r00fus 5y ago
  But SB9 also allows lot-splitting if the plot is large enough, right? Also allows duplexes original lot could be x2 and each of those can have one duplex. Obviously this lot-splitting may not work in areas like Los Altos where each single family lot by city law is required to be 10k sqft or larger (unsure how local laws will interact with SB9). But question @koolba asks is still valid - can you recursively split large lots into many smaller lots?