Masjid Kampong Labi Ulu Belait is located about 74km from Pekan Belait. The mosque was built in 1976 on the site of a land area of 2.5 acres and was completed the following year at a cost of $ 156,000.00. mosque was opened by Pehin Orang Kaya Laila Wijaya Dato Seri Setia Awang Haji Abd. Aziz bin Begawan Pehin Udana Khatib Dato Seri Paduka Awang Haji Omar, Acting Secretary to the Government (at the time) on Friday, the 26th. Rajab 1399 corresponding to 22th. June 1979. Capacity mosque can accommodate about 200 worshipers.