Not true. We have a house and commercial rental property in Sunnyvale California. I’d love to tear down my commercial building and build something with an addit

Not true. We have a house and commercial rental property in Sunnyvale California. I’d love to tear down my commercial building and build something with an additional story but zoning won’t allow it. And is welcome all single family zoning being upgraded to 2 family zoning. I’d build a second unit in a heartbeat.