Musnad Abu Ya'la al-Mawsili 150:194

Abu Kurayb narrated to us, Husayn ibn Ali narrated to us, from Za'idah, from Hisham ibn Urwah, from his father, from Aisha: That the Prophet, peace and blessings of Allah be upon him, commanded that mosques be built in the residential quarters, and that they be cleaned and perfumed.