It's been tried with mixed success. People want San Francisco and the suburbs don't want the poors. https://www.sfgate.com/travel/article/california-city-plan

It's been tried with mixed success. People want San Francisco and the suburbs don't want the poors. https://www.sfgate.com/travel/article/california-city-planned-community-explained-18476273.php https://www.sfgate.com/travel/article/california-city-planne... https://www.atlasobscura.com/places/california-city-unbuilt-suburb https://www.atlasobscura.com/places/california-city-unbuilt-... https://www.sfchronicle.com/bayarea/article/mountain-house-city-18373918.php https://www.sfchronicle.com/bayarea/article/mountain-house-c...