Mission CISD Maintenance Staff Mission CISD Maintenance Dept Forms Mission CISD Maintenance Dept. Mission CISD Maint. In The News  Useful Links Service Schedules	Maintenance, Facilities & Construction Department    Welcome  to  The Maintenance Dept.  Hours 8:00am to 5:00pm	Maintenance Staff Ricardo Rivera, Executive Director of Maint. / Fac. / Const. send email Ruben Trevino, Maint. Coordinator send email  Oscar Herrera, Assist. Maint. Coordinator send email      Maintenance Office 520 Holland Ave, Mission, TX 78572 PHONE (956) 323-8960 FAX (956) 323-8177