There have been some efforts: https://www.theguardian.com/technology/2017/jul/09/facebook-addresses-silicon-valleys-affordable-housing-crisis https://www.thegua

There have been some efforts: https://www.theguardian.com/technology/2017/jul/09/facebook-addresses-silicon-valleys-affordable-housing-crisis https://www.theguardian.com/technology/2017/jul/09/facebook-... However, building a few thousand apartments is hardly going to make a dent on the larger housing market. The area needs construction on a scale that large tech companies have no incentive to provide or expertise to do so. Furthermore, attempts to get regulations changed are very hard. The people who are comfortable with the status quo are long-term residents in power, and generally don't want to bring down the value of the homes they own/ spoil the 'charm' of their neighborhoods.