New Construction

Construction · Excavation

Stormwater Drainage Systems

Construction · Excavation


Construction · Excavation

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We specialize in natural hardscaping, drainage systems and construction to give you a unique design to enhance your property.


Advanced Construction & Excavation 20 Inc., will evaluate your grounds and provide a custom design to fit your needs that is natural with low maintenance.

Our Services

Yard Drainage Systems

We solve drainage issues: Curtain drains, perimeter drains, infiltration gardens/trenches.


Let us take care of the site development for your new home or commercial building.


Perfect for accenting your natural landscape with durable rock walls and well drainage designs.

Residential Remodels

Call us for a quote on full remodels with everything from new insulation to new appliances.

Why Choose Us

We take pride in our work and care going into a job. Working with Residential and Commercial customs since 1997. Advanced Construction and Excavation 20, Inc. focuses on high quality projects with exceptional service.

How to get started

Contact Us

Contact us by phone or our short form above. Include brief details about the project and we will be in touch.

View Property

Advanced Construction & Excavation 20 Inc. will contact you and schedule a time to meet you and view your property.


Once we have the initial site visit, we will make a plan and coordinate a time that works for everyone.

Randy Pence has been a General Contractor in Washington State since 1997. Advanced Construction and Excavation 20 Inc. specializes in creative solutions for excavation and construction projects.

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