Chinook Dirtworks LLC is a General Contractor located in Black Diamon, WA and has been servicing all of Black Diamond & the surrounding areas for many years. We specialize in excavation, land clearing, retaining wall, patios, porches, driveawys, outdoor living spaces, roads, and more. Here at Chinook Dirtworks LLC, our mission is to always provide quality service at an affordable price. Our contractors are highly trained professionals with years of experience. The success of our company is due to the dedication we provide to our customers. No matter the job, customer satisfaction is always our number one priority. Don't hesitate to give us a call today for a free estimate.