AlertSF is San Francisco's emergency text message system. AlertSF will send alerts and instructions following a natural disaster, major police,fire, or health emergencies, or significant transportation disruptions to mobile subscribers.

AlertSF is owned and operated by the City and County of San Francisco, powered by Everbridge, Inc. Click here for more information.

If you have questions and would like to speak with a representative at the San Francisco Department of Emergency Management, please, contact

Log in to manage your alerts, or select Sign up to get started:

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Password must be at least 8 characters long and contain at least one letter and one number. Special characters are limited to: ! @ # $ % ^ & * ( ).