California Code, Civil Code - CIV § 4780

(a) In a community apartment project, condominium project, or stock cooperative, unless otherwise provided in the declaration, the association is responsible for the repair and maintenance of the common area occasioned by the presence of wood-destroying pests or organisms.

(b) In a planned development, unless a different maintenance scheme is provided in the declaration, each owner of a separate interest is responsible for the repair and maintenance of that separate interest as may be occasioned by the presence of wood-destroying pests or organisms. Upon approval of the majority of all members of the association, pursuant to Section 4065, that responsibility may be delegated to the association, which shall be entitled to recover the cost thereof as a special assessment.