KO Contracting | Roofing Services in Sedro Woolley, WA 98284

For homes in our area, roof algae stains and worn shingles are a familiar issue. We assess the extent of the damage during a free estimate. Often, a professional cleaning can resolve algae, but if the shingles are aging and compromised, a replacement is the most reliable solution. We use quality, algae-resistant materials suitable for our local climate and provide a 10-year warranty on our workmanship, so your new roof is built to last.

Our siding replacement is a comprehensive service. We start with a free estimate to discuss your needs and material options. The process includes the safe removal of your old siding, installation of new, high-quality siding, and proper finishing to ensure durability and weather resistance. As a general contractor with over 25 years of experience, we handle the project from start to finish, with the owner on-site to oversee the quality of work.

Yes. We provide a 10-year workmanship warranty on all our services, including new roof installations, replacements, and siding projects. This warranty reflects our commitment to quality and gives you confidence in the longevity of our work. It's backed by our decades of experience as a family-owned business serving Skagit County.