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  1. News & Updates

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    57/60 Confluence Project Construction Updates

    Upcoming Nighttime Lane Closures Roadway Closures
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    October 1-15 is Restaurant Week!

    Get ready to enjoy good food, support local restaurants, and earn rewards and prizes! Visit Website
  3. Weekly Highlight Web (20)

    Latest News from City Hall

    Read the latest news from City Hall in the week's Highlights Read More
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  1. Business of the Month Highlight

    Business of the Month Awards

    Support small businesses by shopping local!
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  2. City Council Meeting

  1. Oct 10

  2. Planning Commission Meeting

  1. Oct 17

  2. City Council Meeting

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  1. City of Diamond Bar
    21810 Copley Drive
    Diamond Bar California 91765
    Phone: 909-839-7000
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Office Hours:

  1. Monday - Thursday
    7:30 a.m. - 5:30 p.m.
    Friday
    7:30 a.m. - 4:30 p.m.

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