In this study, we report about erection and its information of two traditional timber houses designed and built by MOMIYAMA master carpenter at ASUKE AREA. MOMIYAMA master carpenter has excellent technique and knowledge about structure design on traditional timber house. Our target is to describe the master carpenter's knowledge of structure design on traditional timber house. Major contents of survey are drawings and specifications, TEITA, detail drawing, SHAKUZUE,process of erection, time-schedule, joint, tools, festival, and etc. On this paper we report about feature of structure and erection.