The fundamental problem is California is Prop 13. They can try to patch it up however they want these one off measures, but until you address the massive amount of wealth extraction going on by the landed class, all these attempts for improvements will just flow right into land. This principle was discovered 200 years ago:
> When there is no accessible rent-free land, any improvements in the condition of society, be they in the form of civilizational progress or local improvement, are recaptured in the form of higher land values, and the leftover wages after rent is paid will tend towards subsistence, as described by David Ricardo's Law of Rent.
> When there is no accessible rent-free land, any improvements in the condition of society, be they in the form of civilizational progress or local improvement, are recaptured in the form of higher land values, and the leftover wages after rent is paid will tend towards subsistence, as described by David Ricardo's Law of Rent.
From https://en.wikipedia.org/wiki/Rack-rent