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*The Angi rating for Excavation companies in Concord, MI 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 Concord, MI 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 May 07, 2026

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Stech Companies
New to Angi

Serving Concord, MI and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

I am pleased to introduce Stech Companies, a dedicated provider of professional junk hauling and complete site cleanup services. Our mission is to deliver reliable, efficient, and thorough solutions that help residential, commercial, and industrial clients maintain clean, safe, and organized environments.\n\nAt Stech Companies, we specialize in the removal of unwanted materials, debris, and clutter of all types. Whether it?s a single-item pickup, a full property cleanout, or post-construction debris removal, our team is equipped to handle projects of any size with precision and care. We take pride in offering comprehensive site cleanup services that go beyond basic hauling?ensuring that each space we service is left clean, presentable, and ready for its next use.\n\nOur approach is centered on professionalism, timeliness, and environmental responsibility. We work diligently to sort and dispose of materials in accordance with local regulations, prioritizing recycling.

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Excavating questions, answered by experts

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.

As a general rule, the protected area should be about 1½ times as wide as the canopy of the tree’s leaves. This digging measurement can vary by tree species and the age of the tree. Of course, that can be a lot of fencing for larger trees, which is why our first step is about making difficult decisions on which trees to save.

The digging depth will depend on the size of the trencher you use. Even smaller units can dig up to 4 feet deep, which is plenty for a DIY job. However, much larger trenchers can reach a depth of 18 feet and are better used by a team of pro contractors, not a single DIYer. As with all home improvement projects, use the right tool for the job and proceed with caution.

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. 

The best method for digging a trench depends on the scope of the project. For a short, shallow trench (less than 2 feet deep) in light, soft soil, digging by hand may be sufficient. However, digging by hand is labor-intensive, so consider the effort required. A machine trencher is the better option for longer trenches (over 100 feet), deeper ones, or when dealing with difficult soil conditions, such as rocky or hard ground, or obstructions like tree roots. A machine can save significant time and energy in these situations.

The Concord, MI 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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