Sunan Abi Dawud 449
سنن أبي داود#449SahihNarrated Anas ibn Malik: The Prophet (ﷺ) said: The Last Hour will not come until people vie with one another about mosques
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 2:59