Musannaf Ibn Abi Shayba 13:2658

Abu Bakr narrated to us, he said: Muhammad ibn Bishr narrated to us, he said: Sa’id narrated to us, from Qatadah, from al-Hasan, from Samurah, he said: The Messenger of Allah (may Allah bless him and grant him peace) said: "The *’Umra* (gift of a house for life) is an inheritance for its people."