Welcome to Columbia Site Works, your trusted Construction General Contractor proudly based in Clatskanie, Oregon. Specializing in a comprehensive range of services, we excel in Residential site prep and Utility packages, Commercial and Industrial Site prep and Utility packages, road building, Demolition, and Trucking.

Rest assured, Columbia Site Works is fully licensed, bonded, and insured in Oregon, ensuring a seamless and secure collaboration with our clients. With over two decades of industry expertise, we are committed to delivering services marked by quality, pride, and timely project completion, all while prioritizing safety as our paramount concern.

At Columbia Site Works, we stand behind our work, providing assurance and reliability to our clients. Whether it’s a small residential project or a large-scale multi-million dollar endeavor, CSW guarantees the highest level of construction experience. Trust us to bring your vision to life with excellence and precision.