Employees of the City of Chelsea, the Chelsea Housing Authority and their direct family members are eligible to join. Existing members may continue as members of this credit union after they cease to be within the field of membership, so long as they maintain a valid share account with the credit union. To become a member of the credit union, you must sign an Application for Membership. Upon receipt of $25.00, the par value of one share of the credit union, an account will be opened and you will be issued an account number.