KSN has an excellent rapport with the engineering departments of the local utilities and public agencies, and is well respected both locally, and in Sacramento, for its ability to work through difficult regulatory issues with the various State and Federal permitting agencies, including the US Army Corps of Engineers, the National Marine Fisheries Service, the Central Valley Flood Control Board, the State Water Resources Control Board, the California Department of Public Health, the Federal Emergency Management Agency, and the California Department of Water Resources.

 

In addition to our private sector clients, KSN currently serves as consultants to over three dozen communities, special districts, and local public agencies in the Central Valley and Sierra Nevada foothills.

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Principals

Stephen K. Sinnock
Christopher H. Neudeck
Neal T. Colwell
Barry O’Regan

Associate Principals

Jeffrey A. Mueller
Elizabeth R. Schlegel

Workplace Awards

Civil Engineering News Best Firms to Work For

2016 – Fourth place nationally out of all firms competing

2015 – Tenth place nationally out of all firms competing

2013 – Eighth place nationally out of all firms competing

2012 – Third place nationally out of all firms competing

2011 – Top 22 Overall Firms to Work For and 15th place nationally out of all firms competing

2010 – Top 20 Overall Firms to Work For and 12th place nationally out of all firms competing (Small Firms ranking limited to Top 3 Small Firms starting in 2010)

2009 – Best Recruiting and Retention Program, 1st place nationally out of all firms competing, Top 10 Small Firms to Work For, and 6th place nationally out of all small firms competing, Top 25 Overall Firms to Work For, 15th place nationally out of all firms competing

2008 – Best Recruiting and Retention Program, 1st place nationally out of all firms competing, Top 10 Small Firms to Work For, 8th place nationally out of all small firms competing, Top 25 Overall Firms to Work For, 11th place nationally out of all firms competing

What our clients say about us

We at Kjeldsen, Sinnock & Neudeck Inc. pride ourselves on our work and our working relationships. Below are some commendations clients have sent either to us or to others on our behalf. 

  • “

    Over the past 15 years KSN and the department of water resources have had an exceptional relationship. From the first efforts to implement projects on Twitchell Island I have appreciated the professionalism and insight that your firm has brought to its work and to the Delta. KSN staff are instrumental in providing guidance to department staff on the wise management of funds for Delta levees. KSN operates with integrity, and with a keen understanding of the public interest.

    DAVE MRAZ
    Department of Water Resources
  • “

    KSN performed the 3D scanning expertly and efficiently….
    KSN has proven to be a valuable partner and a key component of ‘smart design’ processes

    ADAM ROSS
    Brown and Caldwell
  • “

    I have been impressed with KSN’s customer service, accessibility, responsiveness, professionalism, quality of plans, and timely completion of deliverables for Phase 2. KSN Rocks!!!

    ALEX MENOR
    City of Stockton Public Works Department
  • “

    KSN’s staff met the challenges of the aggressive schedule and delivered all of their services on time and within budget… The professional services and mapping provided by KSN throughout the project duration are a key factor in the overall success of the project.

    JOHN A. KLEMUNES, JR.
    HDR Engineering, Inc.
  • “

    KSN was faced with many challenges during the project, including change of scope throughout the predesign phase, mapping across difficult terrain and varying topography, inconsistent coordinate systems provided on previous projects, and critical deadlines… KSN exceeded HDR’s expectations by making available the appropriate staff to complete the aerial based topography and digital photography ahead of schedule and under budget.

    JAMES A. YURCZYK
    HDR Engineering, Inc.