The Department of Urban Development was established in Phnom Penh and the Construction Office was established in the provinces, Under the Department of Planning and in some provinces, this office is under the Department of Industry. Meanwhile, a construction enterprise was set up under the Ministry of Industry to construct state-owned buildings nationwide except for the Ministry of Commerce's construction. There was a construction company. In 1986, as the construction sector progressed, the General Department of Construction was established under the Council of Ministers for the Management of Land Management, Urbanization and Construction. 1993: The Royal Government of the first legislature of the National Assembly is under the Ministry of Public Works and Transport. In 1994, there was a law on the planning, territorialization and construction of the territory

The cadastral sector was established in 1908, the so-called cadastral and topographical groups under the Office of the Council of Ministers, and in 1925 the Department for Land Preservation was established. Under the Finance Ministry. From 1948-1975, a cadastral team and a land office were established under the Ministry of Agriculture. 1989-1994 The sector was under the Ministry of Agriculture, Forestry and Fisheries as the Cadastral Department, and from 1995 to early 1999, the Cadastral Department under the Office of the Council of Ministers. ''

The geographical area, from 1955, was in charge of the Ministry of National Defense, known as the Kampuchean Geography of Kampuchea, then renamed the Khmer Geographic Group under the Lon Nol regime. And from 1985-1991, the Bureau of Borders of the Council of Ministers, and from 1991 to the end of 1998, a Department of Geography under the Office of the Council of Ministers