It depends on the residence permit, not only on nationality. With a C permit, purchase is unrestricted. Without a sufficient residence permit, the acquisition falls under Lex Koller and remains heavily restricted. A revision of the law was put out for consultation in 2026 (now closed), but is not in force.
Sources: bj.admin.ch, ch.ch.
Content to be validated by a CI-Léman adviser before publication.