東京23区の新築マンション平均価格1・3億円 建設コスト上昇、外国人購入も後押し by | Jul 17, 2025 | ニュース | 0 comments Post Content Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.