The purposes of this study are to verify the architectural design characteristics of Chungcheongnam-do Gwansachon(official residences) which were built after relocation of Chungcheongnam-do Province at 1932. We reviewed national historical documents and surveyed the buildings in the viewpoint of official class and transitional properties of Western and Japanese housing styles to Korea. The results of this research are as follows ; First, the types of Chungcheongnam-do Gwansachon were built for 4,5th grade Juim(superviser) and has housing size regulations. Second, the standard prototypes were allocated at T-shape road and have horizontally long and sloped housing lots. Third, the housings are divided into semi-public(reception or guest room) and private space(living, bedroom, kitchen and etc) and have center corridor type, the southwards contains living, bedroom and the northwards contains porch, kitchen, servant room, toilets, and etc. Fourth, the Chungcheongnam-do Gwansachon are characterized according dutch style red brick, round reception room and windows and horizontal cantilevered beam above windows. Chungcheongnam-do Gwansachon shows transitional properties of Western and Japanese housing styles to Korea.