Residential & Small Commercial

Built on Quality.
Driven by Pride.

Professional excavation and site work services in Southwest Washington. From site prep to finished driveways, GradeCo delivers results that last.

Get a Free Estimate (360) 524-1248
Licensed & Insured
5-Star Rated
On-Time Guarantee
Free Estimates
Locally Owned
What We Do

Our Expert Services

From breaking ground to the finishing touches, GradeCo handles every phase of your earthwork project with precision and professionalism.

Excavation

Precision earthmoving for foundations, basements, ponds, and more. We dig deep so you can build strong.

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Utilities

Expert trenching and installation for water, sewer, electrical, and drainage systems.

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Site Prep

Complete site preparation including grading, compaction, and drainage solutions for any project.

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Driveways

Durable gravel and base-prep driveways built to handle Pacific Northwest conditions year-round.

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Retaining Walls

Engineered retaining wall systems that protect your property while adding lasting curb appeal.

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Land Clearing

Efficient brush removal, tree clearing, and stump grinding to prepare your lot for development.

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Why GradeCo

The Right Team for
Your Project

When it comes to excavation and site work, you need a contractor who shows up on time, communicates clearly, and delivers quality results. That's GradeCo.

Owner-Operated

Every job is personally overseen by the owner, ensuring the highest standards of quality and accountability.

Modern Equipment

We invest in well-maintained, professional-grade machinery to get the job done efficiently and safely.

Clear Communication

No surprises. We provide detailed estimates, stay in touch throughout, and finish on schedule.

Licensed & Insured

Fully licensed in Washington State (UBI #606102414) with comprehensive liability insurance for your peace of mind.

GradeCo excavation equipment at work
Professional
Grade Work

Ready to Break Ground?

Whether it's a new home site, a driveway, or a full land clearing project, GradeCo is ready to make it happen. Get your free estimate today.

Request a Free Estimate Call (360) 524-1248
Where We Work

Serving Southwest Washington

Based in Kelso, WA, GradeCo proudly serves residential and small commercial projects across Cowlitz County, Whatcom County, and surrounding communities.

Kelso

Longview

Castle Rock

Kalama

Woodland

Cathlamet

Toutle

And More