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Construction/Development Projects

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CITY CONSTRUCTION & DEVELOPMENT PROJECTS

Current

  • Grand Avenue and Golden Springs Drive Improvement Project
  • Canyon Loop Trail Improvement Project
  • Diamond Bar Center Slope Stabilization Project
  • Residential & Collector Streets Rehabilitation (Area 1) and Arterial Street Improvements (Golden Springs Drive from Brea Canyon Road to Lemon Avenue) (Project Nos. SI22103 & SI22105)

Pending

  • Diamond Bar Boulevard Complete Streets Project
  • Heritage Park and Sunset Crossing Neighborhood Park Projects

LOS ANGELES COUNTY CONSTRUCTION PROJECTS

Current

  • Diamond Bar Golf Course Renovation Project

FREEWAY/ROADWAY PROJECTS

Current

  • SR-57 (Orange) and SR-60 (Pomona) Confluence Project
  • Grand Avenue and Golden Springs Drive Improvement Project
  • SR-57 (Orange) Pavement Rehabilitation Project

UTILITY PROJECTS

  • Frontier Communications Fiber-to-the-Home” (FTTH) Project

PRIVATE DEVELOPMENT PROJECTS

Current

  • Brea Canyon Business Park Project
  • Crooked Creek Residential Subdivision Project

Contact Us

  1. Public Works

    Email

    Phone: : (909) 839-7040

  2. Community Development

    Email

    Phone: : (909) 839-7030

  3. Parks & Recreation

    Email

    Phone: : (909) 839-7070

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Contact Us

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