EXHIBIT 21 SUBSIDIARIES OF CODORUS VALLEY BANCORP, INC. 1. PeoplesBank, A Codorus Valley Company - 100% owned (chartered in Pennsylvania) 1 Manchester Street, P.O. Box 67 Glen Rock, Pennsylvania 17327 2. SYC Realty Company, Inc. - 100% owned (chartered in Pennsylvania) 1 Manchester Street, P.O. Box 67 Glen Rock, Pennsylvania 17327