Cal. Corporations Code - CORP § 18410. Section 18410.
An unincorporated association may be dissolved by any of the following methods:
(a)
If the association’s governing documents provide a method for dissolution, by that method.
(b)
If the association’s governing documents do not provide a method for dissolution, by the affirmative vote of a majority of the voting power of the association.
(c)
If the association’s operations have been discontinued for at least three years, by the board or, if the association has no incumbent board, by the members of its last preceding incumbent board.
(d)
If the association’s operations have been discontinued, by court order.