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We're DEQ-certified and install septic systems throughout Central Oregon.

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Whether or not you build your home with us, we're here to install your septic system.

Our Septic Services OR DEQ# 39462

Test Pit Digs

County Filing

Concrete Tanks

Plastic Tanks

Alternative Treatment Technology (ATT)

Cap and Fill

Drain Fields

Backfill

BENEFITS OF CHOOSING A BUILDER WHO ALSO INSTALLS SEPTIC SYSTEMS

Expertise - We understand septic projects (from start to finish). Since we're also home builders, we know how to install septics with accuracy.

Save time - We understand all the steps of septic installation, from consultation to paperwork to completion. 

Streamlined process - Since we're also home builders, there's more accuracy and a site-wide understanding of the project's scope.

Financing Septic
Contact Septic

Your excavation project starts here.

Contact us today.

PO Box 161

Powell Butte, OR 97753

(541) 678-3860

Bonded and Insured

Oregon CCB 

© 2025 by Mountainside Excavation LLC. 

All Rights Reserved.

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