The mosque is located in close proximity to the ruins of Old Banten, and functioned as a 16th-century centre of Islamic study.

[5] Kasunyatan Mosque was founded by Kyai Dukuh, the leader of the Islamic school of thought in Banten and the teacher of the Sultan Maulana Muhammad.

[1] Kyai Dukuh, who received the title Pangeran Kasunyatan, gave his name to the village and to the mosque.

The mosque complex is surrounded by walls with three main gates on the west, south, and east sides.

it is 7.1 metres in length and 3.1 in height, and features the Semar Tinandhu decoration, showing Hindu-Javanese influence.

The mosque consists of a main prayer hall, surrounded by three porches (serambi) to the north, east, and south.

The northern serambi includes a bedug, with an inscription marking the year the Kasunyatan Mosque received its heritage status in 1932, granted by Suria Nata Atmadja [id].