They're still on the deeds in many areas of Marin county, including older sections of Mill Valley. I presume some Marin towns like Ross have almost nothing but

They're still on the deeds in many areas of Marin county, including older sections of Mill Valley. I presume some Marin towns like Ross have almost nothing but restrictive covenants, as it used to be a "sundown town": https://en.wikipedia.org/wiki/Sundown_town https://en.wikipedia.org/wiki/Sundown_town