Cambridge Alert Network

Cambridge Alert Network Logo

3 Easy Steps to Be in the Know

Please click each service below to sign up to receive emergency alerts and other important City information

Step 1 bullet


This service will be used to alert residents via phone calls, emails, and text messages in the event of emergencies within the city, such as:

  • Snow emergencies
  • Evacuations
  • Large scale water outages or other significant service disruptions
Want more info?


Step 2 bullet

Citizen Observer

This service will be used by police to send neighborhood specific crime alerts via emails and text messages, such as:

  • Emerging crime patterns identified in BridgeStat
  • Announcements about neighborhood meetings
  • Crime prevention tips
Want more info?


Step 3 bullet

Cambridge E-Line

This service will continue to send emails and text messages with general information and communications from the city, such as:

  • Street cleaning reminders
  • Trash/recycling pickup
  • City news and departmental information
Want more info?


Sign up now to be in the know.

The City of Cambridge makes every effort to ensure that information entered in these alerting systems is secure, confidential, and will only be used for the alerting purposes for which it is explicitly intended. Please read the security and privacy policies for the services offered, via the "Want more info?" links above, but realize that any voluntary sharing of personal information online carries some risk, however small.

Visiting City Hall

Cambridge City Hall

795 Massachusetts Ave
Cambridge MA, 02139
Ph: 617-349-4000
TTY: 617-349-4242

Hours of Service

Monday: 8:30am-8pm
Tuesday-Thursday: 8:30am-5pm
Friday: 8:30am-12pm

Richard C. Rossi
City Manager

Lisa C. Peterson
Deputy City Manager