Our work is exceptional. We promise. And behind that promise, we want you to know that we back our work with a satisfaction guarantee. We won’t stop working until you like what we’ve done. 



Our Promise


17331 135th Ave NE, Suite C

​Woodinville, WA 98072


P: 425.286.2411

F: 425.286.2417

​C: 206.290.9621



It makes a difference!

Koss Construction Inc. is a general contractor dedicated to delivering successful outcomes to our clients in the Pacific Northwest. 

Our staff is highly-trained with over 40 years of experience working for both commercial and residential clients. We know the ins and outs of construction like no one else, and our knowledge can make the difference between a successful project and a costly one.