Gini wrote:

"R. Steve Walz" wrote
...............................

But as another adult,
you have the right to evict him, but NOT the right to violate his
his human rights, OR "quiet enjoyment of the premises" as long as
you permit him to live there, and like any other adult it would
require 30 days written notice and maybe a formal notice to quit
the premises taken out at the courthouse to remove him legally.
==
Not if he isn't charging him rent (or other contractural basis for his
tenancy).
Absent that, he can be removed at any time as an "unwanted person."
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No. In California and most states, once a person has had unopposed
residency, whether for no rent or not, they have established
that as their legal residence and are protected by eviction law
requirements to get them out. In law, an "unwanted person" as
you say, must be immediately opposed or else they DO INDEED
acquire the status of a resident and then are protected by
eviction requirements. It varies by state, but some require as
little as two weeks and then it requires eviction proceedings!!!
Steve