Should the mosque be sold or demolished when the inhabitants leave?

No File Exists
Check below answers in case you are looking for other related questions:
Going to the mosque walking
Ruling on praying in Sufi mosques

No File Exists
Related Answers:
Is it permissible to pray in a mosque that has a graveyard in front of its qiblah?
The mahr of al-hoor al-‘iyn
Do the Devils Enter the Mosques?
Going to the mosque walking
Ruling on praying in Sufi mosques

Recommended answers for you:
Ruling on divorce at a moment of anger
Commentary on the hadeeth, “A woman may be married for four things…”
Meanings of the word fitnah in the Qur'aan
Is it recommended to fast ten days of Dhu’l-Hijjah including the day of Eid?
Is it sunnah to shave the hair of a newborn girl?