The object of this study is the new city hall of Miyashiro in Saitama pref., Japan, which was built through local resident participation. The purpose of this study is to offer the reference data of regional public facilities by researching the process, role and meaning of resident participation and architectural characteristics and meanings. The results of the study are as follows. First, the new city hall of Miyashiro was built through voluntary will and efforts of the residents. Through close cooperation of the local residents, administration and specialists, it took into significant consideration regional conditions and individual characteristics. Second, the new city hall of Miyashiro applied the concept of barrier-free for children, the aged and handicapped, etc. Third, the new city hall of Miyashiro introduced wooden structure making the most of the merits of lumber. Finally, the new town hall of Miyashiro took sustainability into consideration by striving for the efficiency of energy application.