Konrad Koss, Owner


Copyright Koss Construction Inc.. All rights reserved. 

Brent Hill, Project Manager


John Goertzen, Project Manager


Our Philosphy

Contact Information

13110 NE 177th Pl, Suite #449

​Woodinville, WA 98072

P: 425.286.2411 


​Mission Statement

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

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.


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

"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.