It is narrated from Sayyiduna Zayd bin Thabit (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "When the boundaries (of land) have been fixed, there is no longer any pre-emption (shuf'ah, a neighbour's right of first purchase)."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 4845