Masjid Kampong Kasat located about 25km from Bandar Seri Begawan. The mosque was built in the 16th. February, 1979 and completed in June 1980 at a cost of $ 250,000.00. mosque was officially opened by Dato Paduka Awang Haji Talib bin Haji Dervish, Director of Public Works (at the time) on Friday the 20th. Muharram, 1401 corresponding to 28th. November, 1980. Capacity mosque can accommodate 250 worshipers. With the growing congregation and the village community, the mosque was renovated in the 28th. August 1996 and finished in 19th. April, 1997 and can accommodate up to 500 worshipers.