Brent Hill

Project Manager



Mission Statement

Dan Gutschmidt

Project Manager


Our Team


17331 135th Ave NE, Suite C

​Woodinville, WA 98072

P: 425.286.2411 F: 425.286.2417

Contact Information

To serve our client with integrity; exceeding their every expectation in our thought, word and deed.

"I have worked with Koss Construction on several projects of various size and in all cases they met our schedule and were very responsive to our needs."

-Joe S.

Our Philosphy

We know that you’re reputation is only as good as the results of your last job. That’s why we proud ourselves on a results-oriented approach.

Konrad Koss



We believe that our success is dependent upon the close working relationships with our clients. Our approach is to work closely with each owner, subcontractor and other consultants providing complete transparency. We strive for the highest quality in our projects and set our standards high. We accept challenges head-on and find solutions. We take responsibility for our actions and seek opportunities to improve.We believe in completing the project with our clients’ best interests at heart.