Awards

2010 San Diego Architectural Foundation Orchids & Onions presents an Orchid for Landscape Architecture to Riha Construction Co. for Olivewood Gardens and Learning Center, National City.

Receiving the AGC 2009 Build San Diego Award for excellence in Unique Small Public Works Projects (under $6,000,000): Scott W. Thomas, AIA, Zagrodnik + Thomas Architects, Jerry Gillies, Robert Knapp and Ken Riha of Riha Construction, Ruth Fajarit-Davis, AIA, Zagrodnik + Thomas Architects and Patrick McDonough, Sr. Project Manager, San Diego County Parks & Recreation Department.

Ken Riha, along with Vice-Chairwoman Pam Slater-Price of the San Diego County Board of Supervisors and Patrick McDonough, Senior Project Manager, San Diego County Department of Parks & Recreation receive the prestigious U.S. Green Building Council Platinum Award for the San Elijo Lagoon Nature Center in Encinitas, Calif.
  • U.S. Green Building Council - Platinum Designation –San Elijo Lagoon Nature Center
    Leadership in Energy and Environmental Design (LEED) Platinum Level Designation, 2009

  • Associated General Contractors of America, San Diego Chapter
    “1st Place Build Award” for excellence in Unique Small Public Work Project Under $6,000,000 – San Elijo Lagoon Nature Center, November 2009

  • Associated General Contractors of America, San Diego Chapter
    “Build Award” Merit for excellence in Unique Small Private Work Project Under $6,000,000 – Palomar Transfer  Station Improvements, November 2009

  • San Diego Unified Port District
    Certificate of Excellence in Safety while working on the Storm Drain System Repair at San Diego Airport, 2002

  • Department of the Navy
    Certificate of Commendation for the Dispensary & Dental Clinic at the Naval Weapons Center, China Lake

  • American Society of Civil Engineers
    Outstanding Civil Engineering Project Award for Building & Structures, for the EDCO Transfer Station, 1998

  • Unified Port District of San Diego
    Awarded “Winner in Your Class” for America’s Cup Harbor Upgrade, 1994-95

  • Department of the Navy, Naval Facilities Engineering Command
    Triple A Contractor Award, Construction for Naval Facilities Engineering Command Contracts, 1993

  • The Unit Masonry Association of San Diego
    Honor Award for Creative Design for Unit Masonry for the Anza-Borrego Desert State Park Visitor’s Center

  • American Institute of Architects/San Diego Chapter
    Outstanding Contribution in Design for the Anza-Borrego Desert State Park Visitor’s Center

  • American Institute of Architects/San Diego Chapter
    Award of Excellence for Outstanding Architectural Project for the UCSD Natatorium

  • Associated General Contractors of America
    George J. Riha, Founder of Riha Construction Co., named Lifetime Board Director, 1990

  • Department of the Navy
    Certificate of Appreciation for Construction at the Naval Regional Medical Center, San Diego, 1983