Bismillah Walhamdulillah Was Salaatu Was Salaam ‘ala Rasulillah

As-Salaam Alaikum Wa-Rahmatullahi Wa-Barakatuhu

Narrated by Ibn Umar (Radhiallaho anho):

Allah’s Messenger (sallallaahu ‘alaihi wasallam)said, “Gabriel kept on recommending me about treating the neighbors in a kind and polite manner, so much so that I thought that he would order (me) to make them (my) heirs.”
Sahih Al-Bukhari Vol. 8 : No. 44

The superiority of nearest neighbor
Narrated by Aisha (Radhiallaho anha):

I said “O Allah’s Messenger (sallallaahu ‘alaihi wasallam)! I have two neighbors! To whom shall I send my gifts?” He said, “To the one whose gate is nearer to you.”
Sahih Al-Bukhari Vol. 8 : No. 49

The one whose neighbor does not feel safe from his evil
Narrated by Abu Shuraih (Radhiallaho anho):

Allah’s Messenger (sallallaahu ‘alaihi wasallam)said, “By Allah, he does not believe! By Allah, he does not believe! By Allah, he does not believe!” It was said, “Who is that, O Allah’s Apostle?” He said, “That person whose neighbor does not feel safe from his evil.”
Sahih Al-Bukhari Vol. 8 : No. 45

A believer should not harm his neighbor
Narrated by Abu Huraira(Radhiallaho anho):

Allah’s Messenger (sallallaahu ‘alaihi wasallam), “Anybody who believes in Allah and the Last Day should not harm his neighbor, and anybody who believes in Allah and the Last Day should entertain his guest generously and anybody who believes in Allah and the Last Day should talk what is good or keep quiet (i.e. abstain from all kinds of evil and dirty talk).”
Sahih Al-Bukhari Vol. 8 : No. 47