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Avatar for Rocky Mountain Construction
Rocky Mountain Construction
5.0(
29
)

Serving Marion, MT and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Credit card accepted

"I am very impressed with Peter and his team at Bridger Construction. They are hard working, responsible, and very thorough. Peter is an excellent communicator-very open and honest. His knowledge and experience with construction and land development are evident in the projects we have underway. We started with several excavation projects and are now moving forward to complete my House and Barn. Itâ s a pleasure to work with Peter and his team."
Metal Shop
Metal Shop Exterior
Metal Shop Interior
Metal Shop Interior
Metal Shop Interior

+12

Response time4 hrs
Response rate97%
25 neighbors recently requested a quote
Avatar for King Excavation LLC
King Excavation LLC
5.0(
4
)

Serving Marion, MT and surrounding areas

Approved

In business since 2025

Free estimates

We are a family-owned and operated excavation and fire mitigation company proudly serving Columbia Falls and the surrounding Flathead Valley. We specialize in providing high-quality dirt work and land management with the personalized service only a small-town family business can offer. Whether you are preparing a site for new construction or protecting your property with professional fire mitigation and tree thinning, we treat every project as if it were our own land. Our goal is to provide honest, dependable results that help our neighbors build and protect their Montana dreams.

Shop Building Prep
Foundation Prep
Gravel Driveway
Tree Clearing
Electrical Trench

+15

5 neighbors recently requested a quote
Avatar for A.T.F. Construction
A.T.F. Construction
5.0(
10
)

Serving Marion, MT and surrounding areas

Free estimates

Credit card accepted

"From start to finish super easy to work with. They worked around my schedule and kept me under budget. The crew from A.T.F Construction arrived on time they were knowledgeable and professional. They kept me well informed through the entire process. I can’t thank them enough for saving me money where I didn’t need to spend it. They were honest about products and which ones they recommended. I’m over the top happy with the turn out of the floors and paint. A.T.F construction made my home look like new again. Definitely without hesitation going to use them in the future."
Asphalt driveway
Old sliding door
Water line service and tap
Before
Hardwood Flooring Sales/Installation/Refinishing Project

+16

Recommended by100%of homeowners
Flathead Excavation
5.0(
3
)

Serving Marion, MT and surrounding areas

In business since 2020

Free estimates

Warranties offered

"We recently worked with Flathead Excavation and couldn't be happier with the experience. From start to finish, their communication was outstanding—they kept us informed every step of the way, answering all of our questions promptly and clearly. The quality of their work was exceptional, and they went above and beyond to ensure everything was done to the highest standard. Their team demonstrated incredible professionalism, attention to detail, and a genuine commitment to delivering results that exceeded our expectations. If you're looking for a reliable, hardworking excavation company that truly cares about its clients and the work they provide, I highly recommend Flathead Excavation. A top-notch team that you can trust!"
Concrete Pad
Land Clearing
Laser Level Shop Floor and Patio
Concrete Pad
Land Clearing

+163

Recommended by66%of homeowners
Avatar for Brewster Construction & Excavating, LLC
Brewster Construction & Excavating, LLC
4.0(
4
)

Serving Marion, MT and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Alex is amazing. His rates are very reasonable for his extraordinary craftsmanship. Can't say enough about him. We live in an older home with many imperfections yet he was able to install interior trim to absolute perfection. We won't hire anyone else to do work for this home. No reservations whatsoever about recommending his services to others."
16×20 custom rough sawn pergola
16×20 custom rough sawn pergola
New 12×16 rough sawn pergola
New 12×16 rough sawn pergola
Outdoor stairway/ river access

+20

Response time2 days
Recommended by100%of homeowners
Showing 1-10 of 35
Excavating questions, answered by experts

The best way to protect tree roots is to avoid the roots entirely by excavating outside the root radius of the tree. For nearby projects, it’s a good idea to construct a temporary retaining wall. But that’s not always possible, depending on the project and the root system. In these cases, consider using alternative equipment like an auger to tunnel under the ground.

Remember, tree roots can damage nearby cement foundations as they grow. If a tree is close enough to interfere with large excavations, it may be better to remove the tree than risk future problems.

You can dig 60 to 80 linear feet by hand per day depending on the depth. Digging a 100-foot trench by hand will take you two work days, but it can take longer if you have heavy or rocky soil. If you’re digging a deep trench or one that’s over 100 feet, consider renting a mechanical trencher, such as a walk-behind or ride-on, or calling a pro for help. 

In the United States, a depth of 36 inches (three feet) for underground water lines is the accepted industry standard. This depth varies from location to location based on local conditions. In areas with colder winters, they may be buried deeper to prevent frozen well water pipes : This is usually at least six inches below the frost level. The International Plumbing Code calls for a minimum of 12 inches below grade.

There are many ways to cut through roots when digging, especially if your trencher doesn’t seem to be removing the roots. First, use a shovel to expose the roots. Then, use gardening shears to clear out smaller roots or a reciprocating saw to remove larger plant roots. If you plan on keeping the plant, avoid cutting any roots over 2 inches thick.

Trenching and boring are two distinct methods for installing underground utilities. Trenching involves digging a channel using equipment like an excavator, trencher, backhoe, or shovel. While it is a simpler process, it causes significant disruption to the surface, landscaping, and surrounding ecosystems.

Boring, also known as directional boring, is a less invasive alternative that uses a drill to create a tunnel for utility lines without disturbing the surface. This method is more precise and is ideal for installations that need to go underneath buildings, roads, or bodies of water. Although boring is less disruptive, it is generally more expensive than trenching.

The Marion, MT homeowners’ guide to excavation services

From average costs to expert advice, get all the answers you need to get your job done.