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Arch Excavation LLC offers grading and land leveling in Tonasket, WA for driveways, foundations, and yards with laser-guided precision and erosion control.

Arch Excavation LLC installs and repairs water service lines in Republic, WA, including trenching, pipe replacement, and leak detection for reliable water delivery.

Arch Excavation LLC installs and excavates septic systems in Chelan, WA, including tank placement, drainage fields, and soil prep for reliable performance.

Need sewer line installation or repair in Wenatchee, WA? Arch Excavation LLC offers trenching, connections, and emergency repairs with over 15 years of experience.