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Verified Reviews for Excavation pros in Gillette, WY

*The Angi rating for Excavation companies in Gillette, WY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

*The HomeAdvisor rating for Excavation companies in Gillette, WY is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Excavation needs.

Last update on March 19, 2026

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Avatar for RJM Concrete Design
RJM Concrete Design
5.0(
4
)
Building Site - Preparation and ClearingExcavation - Major Grading or ReslopingLandscape - Minor Grading or Resloping

Serving Gillette, WY and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"I recently had a large patio slab poured and some grading and decorative rock brought in. Justin did a great job, very professional, he explained everything that he was going to do. it turned out wonderful and I would recommend RJM to my family and friends without hesitation. Thank you Justin, for the good job and for being a new friend. David Holland"
Patio Steps
Rear Pfatio
Front Patio
Broomed Patio
Water Treatment Channel

+1

Response time11 hrs
Response rate96%
7 neighbors recently requested a quote
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Avatar for Cothren Plumbing & Construction
Cothren Plumbing & Construction
5.0(
10
)
Excavation - Major Grading or Resloping

Serving Gillette, WY and surrounding areas

In business since 2013

Free estimates

Emergency services offered

"Alex was efficient, professional and friendly and arrived as soon as he could get here. We were having sewer trouble and he stayed to see that the problem was fixed and we were no longer having problems with the sewer, even though it was after dark before he packed up his tools. We would definitely recommend Cothren Plumbing and Construction for any of your construction or plumbing needs."
Lovell Senior Center
Lovell Senior Center
New Deck & Concrete
New Deck & Concrete
New Deck & Concrete

+2

Response time3 hrs
Response rate100%
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Avatar for Five Star Energy Services, LLC
Five Star Energy Services, LLC
5.0(
5
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For Business

Serving Gillette, WY and surrounding areas

In business since 2020

Free estimates

Offers commercial services

"Chris performs our roofing with attention to detail and care for our home in a very efficient manner."
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+23

Response time1 day
Recommended by100%of homeowners
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Avatar for A&G Services
A&G Services
5.0(
3
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Gillette, WY and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"It was a great service. They were on time, fair price, cleaned up the mess and they did what needed to be done."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+49

Recommended by100%of homeowners
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Avatar for IMC Forestry Mulching
IMC Forestry Mulching
5.0(
2
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+1 more

Serving Gillette, WY and surrounding areas

In business since 2020

Free estimates

"Very detailed and will get done what you want"
Response time5 days
Recommended by100%of homeowners
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Showing 1-10 of 33
Excavating questions, answered by experts

There is no standard depth for burying a septic tank; they are typically buried anywhere from 4 inches to 4 feet underground. The final depth depends on several factors, including the depth of your main sewer line, the height of the bedrock, soil type, local regulations, and the property's landscape. If you plan to grow grass or plants over the tank, a depth of at least 4 to 6 inches is recommended. Deeper tanks can be more difficult to locate, but a septic professional can help find it for you.

No, you typically cannot use metal detectors to find your sewer line. Most sewer lines are made of non-metallic materials such as PVC, clay, or cast iron, which are not detectable by standard metal detectors. Metal detectors are designed to locate metallic objects, so they won't be effective for identifying the path of a non-metallic sewer line. To locate your sewer line accurately, it's best to use other methods.

Yes, an excavation company is the best option for land grading and yard leveling. General landscapers might be able to tackle these projects, but an excavation company will do a better job because they’re used to operating the necessary heavy machinery. Landscapers might opt to do the work manually, which takes much longer and could cost you more in labor fees. Finally, excavation companies will understand local regulations and know when you need permits to legalize the work, while a landscaper might not.

In most areas, you will need a permit for excavation work, even for projects that only involve grading or yard leveling. Permit requirements depend on your local government and the scope of the project, but they are especially common for significant digging or work that could affect utilities or public property. These permits help protect the local topography and prevent drainage issues. An experienced excavation company will typically know whether permits are needed and can often handle the process of pulling and closing them for you. You can also verify permit requirements by contacting your local building department and describing your project.

Professional installers often include a deep layer of crushed gravel under permeable pavers to allow more runoff to soak through into the soil below. Many installations will include multiple layers of gravel, with coarser aggregate at the base and finer aggregate that sits on top of that bottom layer. Above the gravel, you’ll often find coarse sand that helps reduce paver shifting over time. Some permeable paver designs include a water collection system set into the gravel layer to route runoff to a safe area for disposal.

The Gillette, WY homeowners’ guide to excavation services

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

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