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Avatar for Rocky Mountain Construction
Rocky Mountain Construction
5.0(
29
)
Excavation - Major Grading or ReslopingBuilding Site - Preparation and ClearingLandscape - Minor Grading or Resloping+2 more

Serving Lakeside, 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
)
Excavation - Major Grading or ReslopingBuilding Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business+1 more

Serving Lakeside, 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 R Rhodes Construction, Inc.
R Rhodes Construction, Inc.
4.9(
7
)
Excavation - Major Grading or ReslopingBuilding Site - Preparation and ClearingExcavation - Major Grading or Resloping - For Business

Serving Lakeside, MT and surrounding areas

Approved

In business since 2020

Free estimates

Small jobs welcome

"Ryan has been a pleasure to work with. He provides excellent service and communication. He is a man of his word. His team works hard and does a great job. They clean up every day after they finish and show up when promised. We are extremely pleased with our backyard and driveway. They go above and beyond. We had an emergency water leak of which they not only did the temporary fix, but the final repair to the streets main value. We would recommend RRhodes in a heartbeat."
Slope Grading
Paso Wine Country
Paso Wine Country
Paso Wine Country
Slope Grading

+1

Response time9 hrs
1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for A.T.F. Construction
A.T.F. Construction
5.0(
10
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Lakeside, 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
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Lakeside, 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
Showing 1-10 of 47
Excavating questions, answered by experts

How deep your septic system needs to be into the ground depends on several factors. In extremely cold environments, the tank needs to rest below the maximum frost line, which can be up to six or eight feet deep. The standard burying depth for most systems is between a few inches and four feet below ground level. Depth can also depend on the slope of the landscaping and other property variables. 

Trenches are typically 12 to 24 inches deep and 8 inches wide. However, the required depth depends on the specific project and local ordinances. For example, a French drain may need to be 18 inches deep, while a water pipe might require a depth of 24 inches and a drainage pipe 36 inches. Your city or county may have specific regulations, so it's wise to consult with an excavation professional to determine the correct depth for your project.

The average cost of excavation is approximately $3,200, with typical projects ranging from $500 to $15,000. Depending on the contractor, you may be charged between $50 and $200 per cubic yard or an hourly rate of $40 to $180 for an excavation specialist. The total cost is influenced by several factors, including the project size, the amount of soil to be removed, and the soil's condition. Hard soil, tree roots, or excessive rocks and clay can increase the price, potentially adding $200 to $1,200 to the final bill. Other factors that can drive up costs include the presence of nearby structures that complicate the work or tight spaces that require manual excavation instead of heavy machinery.

Dumpsters work best on hard, study, and level surfaces made of asphalt, stone, or concrete. If the surface is uneven or too soft, the dumpster could get stuck or tip over when filled. Keep in mind that you must obtain a dumpster permit to keep it on a city street in many areas.

A joint utility trench, or joint trench, is a long, buried ditch on a property that contains two or more utility lines rather than running the lines in multiple trenches. Some utilities, like gas and electric or electric and communication lines, are better suited to joint trenching, while others, like water and sewer, are not allowed to be in the same trench.

The Lakeside, MT homeowners’ guide to excavation services

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