Kjeldsen, Sinnock & Neudeck, Inc.

Kjeldsen, Sinnock & Neudeck, Inc. Civil Engineers and Land Surveyors serving California's Central Valley since 1956. Kjeldsen, Sinnock & Neudeck, Inc.

has been providing civil engineering and surveying to a broad spectrum of public agencies and private sector clients in California's Central Valley since 1956.

Welcome to the team, Mark Teterin! Mark joins KSN as a graduate of Sacramento State University, where he earned his Bach...
09/04/2026

Welcome to the team, Mark Teterin! Mark joins KSN as a graduate of Sacramento State University, where he earned his Bachelor of Science in Civil Engineering. He began his career at KSN as an intern in March 2025 and has since transitioned to a full-time role, continuing to grow his experience in civil engineering and project development.

Mark is currently working on several levee projects, gaining hands-on experience and contributing to projects focused on flood protection and infrastructure improvements.

Outside of work, he enjoys playing the piano and following soccer and tennis.

Welcome, Mark!

Long Beach, here we come! 🌴 KSN will be attending the Floodplain Management Association’s 2026 Annual Conference from Se...
09/03/2026

Long Beach, here we come! 🌴 KSN will be attending the Floodplain Management Association’s 2026 Annual Conference from Sept. 8–10. We look forward to making new connections within the industry, catching up with familiar faces, and sharing ideas with professionals across the flood management community.

Be sure to join us Thursday morning at 9:00 a.m. for the panel discussion, “Levee District Emergency Action Plans,” featuring Elizabeth Ramos as one of the panelists. Held in Seaview B (Session P-ERP1), the panel will explore the challenges, lessons learned, and successes associated with emergency action planning.

We’ll see you there!

Underneath an active port is the last place where you want surprises. The Stockton Port District’s East Complex Phase 1 ...
09/03/2026

Underneath an active port is the last place where you want surprises. The Stockton Port District’s East Complex Phase 1 Sewer Project presented a complex construction environment that required adaptability, collaboration, and careful coordination to minimize disruptions to ongoing operations at an active port. We recently celebrated the project and the team behind it at the APWA Sacramento Awards Luncheon, where it was recognized as the 2026 Project of the Year in the Environment category.

Congratulations to the Stockton Port District, on this achievement, and to Soracco, Inc., for its partnership in successfully delivering the project. Thank you to APWA Sacramento Chapter for bringing our public works community together for another memorable awards celebration!

Please join us in welcoming Bobby Medeiros, EIT to KSN! Bobby is a certified Engineer-in-Training and a graduate of Cal ...
09/02/2026

Please join us in welcoming Bobby Medeiros, EIT to KSN! Bobby is a certified Engineer-in-Training and a graduate of Cal Poly San Luis Obispo, where he studied Environmental Engineering with an emphasis on water resources modeling. He gained hands-on experience through a field engineering internship and designed and installed a storm drainage system for a community garden at Cal Poly as a member of the university’s Society of Civil Engineers Club.

At KSN, Bobby will contribute to our hydrologic and hydraulic modeling efforts, while also assisting with drinking water quality, utilities assessment, and design.

Outside of engineering, Bobby enjoys fishing and hiking. Fun fact: he placed third in a skateboarding competition in elementary school!

Welcome to KSN, Bobby!

Please join us in welcoming Ken Wong to KSN! A certified Engineer-in-Training, Ken graduated from the University of the ...
08/27/2026

Please join us in welcoming Ken Wong to KSN! A certified Engineer-in-Training, Ken graduated from the University of the Pacific, where he holds a Bachelor of Science in Civil Engineering and a minor in Applied Mathematics.

Before joining KSN, Ken gained hands-on experience as an intern for a general contractor, supporting work on a water treatment facility and a pump station serving a wildlife refuge. As a member of our utility and flood control team, he is assisting with drainage improvements for agricultural land and will also contribute to the Sutter Mutual Pipe Lowering Project.

When he’s not in the office, Ken enjoys fishing, hiking, watching movies, and playing video games. Welcome to KSN, Ken!

Mentoring the next generation of civil engineers remains a key priority for KSN. Tatum Walbeck (KSN Intern and Cal Poly ...
08/21/2026

Mentoring the next generation of civil engineers remains a key priority for KSN.

Tatum Walbeck (KSN Intern and Cal Poly San Luis Obispo civil engineering student) and Ashlyn Engler (high school student at East Nicholas High School) recently accompanied KSN Senior Civil Engineer Elizabeth Ramos, on a field visit to characterize a potential levee erosion site. Tatum and Ashlyn gained firsthand experience seeing how flood control infrastructure is assessed and evaluated, while learning more about the important role civil engineers play in protecting communities from flooding.

We value the opportunity to connect students with real-world engineering situations that we hope will inspire them to continue their journey toward becoming civil engineering professionals.

Welcome to KSN, Matthew Tanaka! Matthew joins KSN as a graduate in civil engineering from the University of the Pacific....
08/18/2026

Welcome to KSN, Matthew Tanaka! Matthew joins KSN as a graduate in civil engineering from the University of the Pacific. While at UOP, he was a member of the Water Treatment and Steel Bridge teams, gaining hands-on experience in engineering design and teamwork.

Before joining KSN full time, Matthew completed two internships with the firm, where he developed experience using Civil 3D, ArcGIS, and hydraulic modeling. He brings a strong foundation in civil engineering and technical design to his work at KSN.

Outside of work, Matthew Tanaka enjoys hiking and metalworking, including welding and blacksmithing. Welcome, Matthew!

08/05/2026

Follow the KSN Interns into the Field at Twitchell Island!

KSN’s summer interns recently visited the Reach 6 Project on Twitchell Island for an opportunity to see our work in action.

During the site visit, interns gained firsthand insight into the construction of a setback levee and the role KSN’s construction management team plays in supporting project delivery. They also learned how this work contributes to reducing flood risk and strengthening the long-term resilience of Delta communities.

Experiences like these provide valuable perspective and help connect our interns’ day-to-day work with the larger impact of the projects we support.

Happy National Intern Day! Today, we’re celebrating the dedication, enthusiasm, and fresh perspectives our interns bring...
07/30/2026

Happy National Intern Day!

Today, we’re celebrating the dedication, enthusiasm, and fresh perspectives our interns bring to KSN. Thank you for choosing to grow with us and allowing us to be part of your professional journey!

When most people think about w**eries, they picture vineyards, tasting rooms, and the art of w**emaking itself. Hidden w...
05/29/2026

When most people think about w**eries, they picture vineyards, tasting rooms, and the art of w**emaking itself. Hidden within every glass is a network of infrastructure, supported by civil engineering, that helps make it all possible.

For decades, KSN has partnered with w**eries throughout the region to help facilities grow and evolve while maintaining safe operations and a welcoming experience for guests. From drainage and utilities to site circulation and expansion planning, civil engineering plays a vital role in supporting the w**emaking industry.

Swipe through to explore a few of KSN’s local w**ery projects and discover how civil engineering supports the w**e industry from the ground up!
**eries **eindustry

Address

711 N Pershing Avenue
Stockton, CA
95203

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+12099460268

Website

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