Complete Site Preparation Services In Kennewick, WA
Before construction can begin, your property needs to be properly cleared, leveled, and prepped. Our site preparation services in Kennewick, WA include land clearing, grading, compacting, and hauling away debris. Whether you need to remove trees, break up concrete, or shape the landscape for future development, we’ve got the equipment and experience to do it all. We ensure proper drainage, soil stability, and a clean surface—so your contractors can hit the ground running.
Proper site preparation plays a major role in the success of your project. Without it, you risk poor drainage, unstable foundations, and future property damage. At Tri Cities Excavation, we make sure your land is fully ready for construction, helping you avoid costly problems down the road.

Utility Trenching and Installation
Our team is highly skilled in utility trenching for water lines, sewer systems, gas lines, and electrical conduit installation. Accurate trenching is critical for long-term infrastructure performance and safety, and we take pride in doing the job right. We follow local codes, plan around existing structures and utilities, and communicate with inspectors and utility providers to ensure full compliance.
Whether you're running new utilities to a home or upgrading an outdated system, our trenching services in Kennewick deliver precision, clean results, and a long-lasting foundation for your utilities.
Installing a new septic system? We provide expert septic system excavation in Kennewick, WA, handling everything from tank placement to drain field trenching. Our team knows how to work with Benton County regulations and soil conditions, ensuring a code-compliant and environmentally responsible septic installation.
We also offer septic tank replacement excavation and leach field repairs. Whether it’s a brand-new install or you're replacing an aging system, we make sure everything is dug properly, graded for proper drainage, and set up for long-term use.
Demolition and Land Clearing in Kennewick
Alongside our excavation work, Tri Cities Excavation also provides professional demolition services. Whether you're tearing down an old house, garage, shed, or commercial structure, we handle it all with safety and speed in mind. We remove unwanted structures, clean up all debris, and leave your site clean and ready for the next phase.
Demolition can be risky work—but with the right crew, it becomes a smooth, efficient process. Our team is fully trained in selective demolition, concrete removal, and full site clear-outs, making us your one-stop shop for prepping lots and properties for redevelopment in Kennewick.