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Public Information

  1. Rate Diamond Bar Connection Newsletter

    The City's official monthly newsletter.

  1. Website Feedback Survey

    Help us improve our website by letting us know what you like and what we can improve. Thank you for your time!

Public Safety

  1. Ask A Deputy

    Submit your public safety-related questions, concerns, or comments

  2. Ring Discount Program

    Diamond Bar residents are eligible to receive one Ring product discount promotional code per household, starting April 3 and continuing... More…

  1. Emergency Alert Sign Up

    Receive notification by email, voice or text in the event of a disaster or significant event in Diamond Bar.

  2. Start a Neighborhood or Business Watch

    Learn how to start a Watch in your area.

Take a Survey

  1. Calendar & Street Sweeping Schedule Request
  2. Update Your Information: Non-Profit / Community Service Organization
  1. How Are We Doing?
  2. Website Feedback Survey

    Help us improve our website by letting us know what you like and what we can improve. Thank you for your time!