BelAire and Beverly Hills are in L.A. County.
... and they have yards big enough for several "guest huts"! Oh, and don't forget Palos Verdes Estates and Malibu Cove Colony -- the transients would love to live in a luxurious community on the beach or with a view of Catalina.
(I suspect things won't play out this way, though. We're talking about rich Leftists who, from their weird perspective of how to help the "less-fortunate", do so by requiring others who aren't so rich to bear the burden of doing the elites' "good works".)