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Environmental Services

  1. Free Smart Gardening Workshops

    Discussion includes backyard and worm composting, water-wise gardening, and grasscyling.

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. Start a Neighborhood or Business Watch

    Learn how to start a Watch in your area.

  1. Emergency Alert Sign Up

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

Take a Survey

  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!

  1. Update Your Information: Non-Profit / Community Service Organization