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Security Division

The Maintenance and Operations Department administers all District wide security systems.  These systems are enhanced by dispatchers and roving security guards, which patrol and respond to security breaches and emergencies.
 
During the normal operating days of Monday through Friday, and hours of 7:00 a.m. and 3:30 p.m., please direct calls to our dispatcher at 925-825-7440, extension 3884.
 
If you have any questions, regarding security services after hours (3:30 p.m. to 7:00 a.m.) and weekends, please call 925-825-7440, extension 3836.