Koocanusa Excavating LLC

Koocanusa Excavating LLC Koocanusa Excavating LLC is your go to excavating contractor in NW Montana for all your residential

Licensed and fully insured excavating contractor specializing in site development, road building, septic systems, utility conduit installation, bridge building, demolition, tree clearing, trucking and landscaping which includes rock walls, firepits, hardscapes, plantings and sodding.

From overgrown to open views! 🌲➡️🏔️Making progress on this property transformation. We’re clearing trees and opening up ...
05/21/2026

From overgrown to open views! 🌲➡️🏔️

Making progress on this property transformation. We’re clearing trees and opening up these beautiful mountain views. It’s amazing how much a property can change with the right clearing and excavation work.

Check out the before and after photos! We love helping our clients bring out the full potential of their property.

If you’re looking to improve access, clear land, or open up your views, reach out to us — we’d be happy to help!

Happy New Year! Now booking projects for the 2026 construction season.From excavation and site work to road construction...
01/14/2026

Happy New Year! Now booking projects for the 2026 construction season.

From excavation and site work to road construction, retaining walls, landscaping, utilities, and septic systems—Koocanusa Excavating LLC is ready to bring your project to life.

Visit our website to view all services or contact us today to secure your place on our schedule.

📞 Call or text Sean: 406-885-1422
🌐 koocanusaexcavating.com

Fire pit build 2025.
07/14/2025

Fire pit build 2025.

08/19/2022

Koocanusa Excavating LLC and Boondockers Construction Inc crews workin’ hard this morning. Great job guys, the yard looks awesome!

Sean McNamara Damon Dierman

Check out the view from this fire pit area! We hope our clients enjoy sipping their morning coffee or taking in a NW Mon...
05/20/2022

Check out the view from this fire pit area! We hope our clients enjoy sipping their morning coffee or taking in a NW Montana sunset with a glass of wine and a cozy fire. ☕️🔥🍷

Contact Koocanusa Excavating LLC today for all your dirt work and landscaping needs.

We hope our clients love this stunning stacked rock retaining wall as much as we do!
05/20/2022

We hope our clients love this stunning stacked rock retaining wall as much as we do!

It starts as a pile of rocks…
05/20/2022

It starts as a pile of rocks…

40 tons of beautiful Montana stack rock! Can’t wait to see the gorgeous retaining wall this will make for one of our cli...
04/22/2022

40 tons of beautiful Montana stack rock! Can’t wait to see the gorgeous retaining wall this will make for one of our clients this spring.

04/14/2022

Koocanusa Excavating is now hiring a full-time dependable dump truck driver/laborer/operator.
CDL required. Salary based on work experience. Call Sean McNamara at 406-885-1422 for more details or send your resume to [email protected].

“The Last Best Place”
04/06/2022

“The Last Best Place”

Road building project near the border. The snow defines the line! 🇺🇸🇨🇦
12/22/2021

Road building project near the border. The snow defines the line! 🇺🇸🇨🇦

Address

Eureka, MT
59917

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+14068851422

Website

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