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*The Angi rating for Excavation companies in Union, WV 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 Union, WV 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 February 14, 2026

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Avatar for Coal River Specialties
Coal River Specialties
5.0(
2
)

Serving Union, WV and surrounding areas

In business since 2024

Free estimates

Credit card accepted

"We had a complete house remodel done, exterior and interior, by Coal River Specialties. They removed and replaced all of the old siding and also painted the new siding and trim, painted the existing garage door (it was brown), replaced the exterior garage door, put up the light fixtures, replaced ALL of the interior Sheetrock, prepped and painted it all, replaced flooring throughout the entire home, replaced light fixtures throughout the entire house interior and exterior, built the back porch, replaced pickets on the side porch to match the back porch, put up railings and pickets on the front porch and so so so many other things that are required when remodeling a house. We absolutely LOVE everything! They did an awesome job! Here are just a few pictures….."
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Excavating questions, answered by experts

Because decomposed granite is a durable material, a crushed rock or gravel base is optional as long as the DG is properly installed and compacted. However, installing a base is a good idea because it will ensure proper drainage and stability and act as a weed suppressant (although you may still occasionally have to pull weeds). Installing an adequate base can also increase the durability of driveways and walkways. If you forego the paver base or gravel underneath, line the area with landscaping fabric to avoid weeds.

Chipmunks dig their burrows about three feet deep and up to 30 feet long. The entrances can be two inches wide or more. Chipmunks are fiercely protective of their burrows and use them to protect the nuts and seeds they gather for the long winters.

A perc test can take anywhere from one to eight hours to complete. The total time depends on factors like the amount of excavation required, the depth and width of the holes, and whether multiple test holes are needed. For a single hole, the process of filling it with water and monitoring the drainage rate usually takes less than an hour. Professionals can often complete the entire test in a single day. While it's possible to get results the same day, some companies may take a few days to provide the official report.

The average cost for pool excavation is $2,500. This cost can range from $450 to $4,500, depending on the pool shape and size, time of year, and any need to move buried utilities. 

When excavating for your pool, you might have to move existing utilities. You can expect to pay an additional $15 to $25 per linear foot to move gas lines. To move a septic system, it’ll cost an additional $2,000 to $20,000. A pool that is 10 feet by 12 feet averages $450 to excavate, and a 20-foot-by-40-foot pool averages $3,020.

Yes, chipmunk holes may have two or more entrances. Chipmunks can create an entire network of burrows. Having multiple entrances makes it easier for them when trying to escape from a predator, such as a snake, or if an entrance collapses due to flooding. Each entrance leads to the nesting chamber underground, which is where the chipmunk spends the majority of its time sleeping.

The Union, WV homeowners’ guide to excavation services

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