Contact Us
Maintenance, Operations & Facilities
General Lobby Hours: 7:00 AM - 3:30 PM
Emergency Dispatch Line: (925) 825-7440 Ext. 3884
Security Line After Hours: (925) 825-7440 Ext. 3836
If needed, please email security at security@mdusd.org.
Note: The Operations Department runs 24 hours, 7 days a week. The scope of public service may extend after hours. Please contact directly for appointments if needed.
Dispatch Line
For emergencies or operator needs, please contact Emergency Dispatcher at Ext. 3884
Executive Director
Melanie Koslow
Executive Director of Maintenance, Operations & Facilities (925) 682-8000 Ext. 3815
Maintenance & Operations
Janet Richardson
Administrative Secretary II Ext. 3804
Paul Lundholm
Maintenance Manager Ext. 3826
Chris Hansen
Custodial & Operations Manager Ext. 3861
Brian Patterson
Landscape Manager Ext. 3822
Sara Baca
Use Permits Technician Ext. 3827 permitoffice@mdusd.org
Connie Hernandez-Race (Sub)
Secretary, Trades Ext. 3809
Anabelle Anading
Secretary, Custodial Ext. 3820
Lewy Madrigal
Secretary, Grounds Pest Control Ext. 3802
Liz Acevedo
Fiscal Analyst Ext. 3830
Heather Johnston
Facilities Technician Ext. 3807
Patty Zaldana
Dispatch Ext. 3884
Custodial & Operations Coordinators
Nick Jakobsen
Team Green | AM Schedule Ext. 3821
Luis De La O
Team Green | PM Schedule Ext. 3824
Debbie Robertson
Team Orange | AM Schedule Ext. 3860
Patrick Reed
Team Orange | PM Schedule Ext. 3829
Facilities & Bonds
For more information, please visit the Facilities & Bonds page.
If needed, please email facilities@mdusd.org.
Marie Hill
Administrative Secretary Ext. 3863
Han Phan
Facilities Technician Ext. 3864