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 large municipal, public works infrastructure, transportation, commercial, industrial, institutional, and water resources projects. KSN has been providing professional services to public and private clients throughout California’s Central Valley since 1956. 

Our civil engineers and land surveyors have extensive experience in California and have helped KSN to establish an exceptionally strong reputation as one of the top civil engineering firms in northern California.

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, Inc.

This office likely focuses on engineering and management functions, facilitating civil projects and human resource operations.

711 North Pershing Avenue

Stephen Sinnock

This department focuses on the design, construction, and maintenance of infrastructure projects.

Civil Engineering

This department oversees the planning, execution, and completion of projects, ensuring they meet organizational goals.

Project Management

This department oversees and ensures the quality and compliance of construction projects through inspections and assessments.

Construction Management

This department oversees the engineering function and provides strategic direction and management for engineering initiatives.

Engineering Leadership

This department handles administrative support and billing processes to ensure smooth operations.

KSN, Inc.

Org chart

Teams

Civil Engineering

Project Management

Construction Management

Engineering Leadership

Administrative Services

Offices

KSN, Inc.

Org chart

Teams

Civil Engineering

Project Management

Construction Management

Engineering Leadership

Administrative Services

Offices

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