The Sufficient (Vol 4) · Hadith 2106 (#Ḥadīth #7)
Chapter 217 | The Pulpit, al-Rawdah and the Station of the Holy Prophet, O Allah grant salawat (favors and compensation to Muhammad and his family worthy of their services to Your cause)
7ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ عَلِيِّ بْنِ إِسْمَاعِيلَ عَنْ مُحَمَّدِ بْنِ عَمْرِو بْنِ سَعِيدٍ عَنْ مُوسَى بْنِ بَكْرٍ عَنْ عَبْدِ الأَعْلَى مَوْلَى آلِ سَامٍ قَالَ قُلْتُ لأَبِي عَبْدِ الله (عَلَيْهِ السَّلاَم) كَمْ كَانَ مَسْجِدُ رَسُولِ الله (صلَّى اللهُ عَلَيْهِ وَآلِه) قَالَ كَانَ ثَلاثَةَ آلافٍ وَسِتَّمِائَةِ ذِرَاعٍ مُكَسَّراً.
7. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Ali ibn Isma‘il from Muhammad ibn ‘Amr ibn Sa‘id from Musa ibn Bakr from ‘Abd al-‘A’la’ Mawla ale Sam who has said the following: “I once asked abu ‘Abd Allah , ‘What was the area of the Masjid of the Messenger of Allah, O Allah, grant compensation to Muhammad and his family worthy of their services to Your cause?’ He (the Imam) replied, ‘It was three thousand six hundred square yards.’”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).