Kjeldsen Sinnock & Neudeck Inc

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Kjeldsen, Sinnock & Neudeck, Inc. (KSN) is a full service civil engineering and land surveying firm specializing in the surveying, mapping, planning, design and construction management of municipal, public works infrastructure, transportation, commercial, industrial, institutional, and water resources related projects. KSN has been providing professional services to public and private clients since 1956.

As one of the premier civil engineering firms in the Central Valley, KSN provides comprehensive professional services throughout California's Central Valley. Our staff of highly qualified professionals includes an exceptionally high percentage of Registered Civil Engineers and licensed Land Surveyors. KSN has been recognized for our unique and innovative work on a broad spectrum of award-winning projects. We are well respected within the engineering profession and with public agencies for the high quality of our work product and reliability in delivering large and complex projects on schedule and within budget.

The firm currently serves as consultants to over forty communities, special districts, and local public agencies throughout the Central Valley and foothill areas, including San Joaquin, Sacramento, Yolo, Solano, Contra Costa, Alameda, Stanislaus, Calaveras, and Amador Counties. KSN has an unwavering commitment to professional integrity, upholding the standards of the engineering and surveying profession, and providing a quality work product to each and every one of our clients.

  KSN has an outstanding relationship with the engineering departments of regional utilities and public agencies. KSN has an excellent rapport with the engineering and surveying staff of the California Department of Transportation, District 10. KSN is well versed in the delivery of surveying, mapping, right of way engineering, drainage designs and storm water quality designs compliant with Caltrans guidelines and criteria. KSN has successfully provided the topographic mapping and right of way engineering, including the approval of ABC mapping submittals and appraisal mapping, for some of the largest recent transportation projects in District 10.