Excellence in Infrastructure

Jansen is a civil

contractor that excels at

larger municipal contracts.

We execute across multiple disciplines. Our success is founded on building the best teams in the industry – people who enjoy the challenges and opportunities offered in the construction industry.

Work at Jansen

Want to come to work where opportunities, challenges and integrity are key elements of our teams?



1215 W. Holly Street
Bellingham, WA 98225



701 Fifth Ave Suite 3540
Seattle, WA 98104

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