Pacific Northwest Excavation & Septic Contractor

KL EXCAVATION provides professional excavation, septic installation, sewer and water line services, grading, drainage solutions, and site development throughout the Pacific Northwest.

With more than 20 years of experience, we help homeowners, builders, and property owners complete projects safely, efficiently, and with confidence. Whether you're building a new home, repairing a failing septic system, replacing a sewer line, or preparing land for development, our experienced team has the equipment and expertise to get the job done right.

Moving mountains for our customers.

Licensed and bonded CCB# 229893

  • Septic Installation & Repair

  • Sewer & Water Line Services

  • Site Preparation & Foundations

  • Land Grading & Drainage Solutions

  • Residential & Commercial Excavation

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Construction workers are inside a deep rectangular trench with metal walls. One worker is kneeling in the trench, wearing an orange shirt and white helmet. A ladder leans against the side, and tools are scattered nearby. The trench appears to be for
Construction scene with a large excavator labeled 'Deere,' digging in a wooded area. There are safety cones, a worker in a safety helmet, and equipment on the ground.
Construction site with excavators parked on dirt ground, surrounded by green trees, orange traffic cones, and a clear sky.