Login for Emergency Alert System - For new accounts or to update your current contact information, you will be required to create a user ID and password using an email account.
Voice Message Alert
Note: If you have a publicly listed Diamond Bar residential or business landline, you are automatically programmed to receive a voice message alert from the emergency alert system. You must create an account if you wish to receive text messages or email alerts.
About the System
Resident and Business Emergency Alerts: Blackboard Connect is Diamond Bar's city-to-resident or city-to-business communications service. With Blackboard Connect system, City officials can send voice, text or email messages to residents and businesses within minutes. This system will be used to complement our emergency preparedness procedures and to inform residents of emergency situations.