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C&L Cass Construction
2.8(
2
)
Building Site - Preparation and ClearingExcavation - Major Grading or Resloping

Serving Cornish, NH and surrounding areas

Approved

Small jobs welcome

Offers commercial services

Customers say: Quick response

"Chris worked with my schedule to get a foundation in and also fixed up my driveways, made great suggestions. He showed up and completed the work exactly as he promised and kept the site tidy all through the project. A pleasure to work with!"
2 neighbors recently requested a quote
Recommended by100%of homeowners
Yager Transportation & Excavation
New to Angi
Excavation - Major Grading or ReslopingLandscape - Minor Grading or Resloping

Serving Cornish, NH and surrounding areas

Approved

In business since 1997

Free estimates

Offers commercial services

We are dedicated to providing our clients with the very best in excavation and building site services. We specialize in residential and commercial services and take pride in the attention to detail put into each of the projects we're involved with. We're known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction.

Avatar for Northern Edge Land Maintenance
Northern Edge Land Maintenance
5.0(
4
)
Excavation - Major Grading or ReslopingLandscape - Minor Grading or Resloping

Serving Cornish, NH and surrounding areas

In business since 2025

Free estimates

Offers commercial services

"I can’t say enough good things about Northern Edge Land Maintenance. I had a section of my property that was completely overgrown and unusable. There was brush, small trees, uneven ground, the whole nine yards. The owner, Derek, came in with all the right equipment and absolutely transformed it. He was professional, showed up when he said he would, and actually listened to what I wanted. The forestry mulching made a HUGE difference, and he even helped smooth out a rough section of my driveway that was washed out by the rain while he was here. It’s rare to find someone that works hard, communicates well, and clearly takes pride in what they do. I’ll definitely be calling him again for future projects. If you’re on the fence, don’t be. This company is the real deal!"
Response time2 days
Tom Call Excavation, LLC
3.7(
9
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+1 more

Serving Cornish, NH and surrounding areas

In business since 2008

Free estimates

Credit card accepted

"Very satisfied with the work. I also appreciated their knowledge and recommendations on the excavation and regrading the long driveway. Tom was prompt and always got back to me."
Response time6 days
Recommended by100%of homeowners
Avatar for Green Mountain Basement Solutions LLC
Green Mountain Basement Solutions LLC
4.0(
30
)
Building Site - Preparation and ClearingBuilding Site - Preparation and Clearing - For BusinessExcavation - Major Grading or Resloping+2 more

Serving Cornish, NH and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"The work itself, the actual basement waterproofing appears to be working but our flood season hasn't come yet so, I'm reserving judgement. But, the way the work was done was a problem and the initial way that they got with the problem wasn't satisfactory. Eventually, months after work I did get some resolution but is wasn't a smooth transaction. We moved some of the finished portions of the basement to do their work and the way that that was handled was very sloppy and rushed, and very expensive to repair. And then, when the initial point of having somebody come and look at all my questions, it was not the owner, it was his foreman and it was not dealt within a professional manner. After 2 contacts, tried to explain what the problems were and has offered that they have an annual service to make sure that everything is working and there's a fee for that, though he offered 2 years of that with no cost, so that was a nice gesture. He tried to make up for the problems but like I said, there were problems."
Recommended by75%of homeowners
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Excavating questions, answered by experts

Yes, you can excavate in the winter, but it might make the job harder. Frozen ground is harder to dig, and snow or ice can make the work site more hazardous. A contractor may need special equipment and techniques, such as ground-thawing methods, to break through frozen soil. Although winter excavation is possible, it may take longer and be more costly than excavating during warmer months.

Septic drain lines (or leach lines) are typically buried between 18 and 36 inches underground, and should be at least 6 inches below the surface. These pipes are perforated and surrounded by filtering materials like sand or gravel. Burying the lines at this depth helps minimize odors and allows bacteria and other biological processes in the soil to effectively treat the wastewater. Burying lines too close to the surface can cause issues unless the soil is very compact and stable.

Digging a well can cost between $20 and $25,000, depending on your needs. If you’re looking to dig a well yourself, all you need is a shovel. If you’re looking to have a well drilled by a professional, you can expect to pay around $15 to $30 per foot. The total cost of drilling a well will average to $5,500.

Almost any kind of home can have a wine cellar or cabinet installed. You’ll need an area where a concrete floor can be put in, along with the necessary insulation, climate control, and ventilation systems. If you think of yourself as an aspiring sommelier, an underground wine cellar may be ideal, but it will cost significantly more. 

What you choose to install really depends on your budget and how many bottles you’re looking to store.

A trench that is less than 5 feet deep often doesn't require a protective system. Most residential trenches will not go this deep (the typical residential drainage trench is just 18 inches deep). In the event that an excavator needs to dig more than 5 feet beneath the surface, a protective system is required unless the excavation is in entirely stable rock.

The Cornish, NH homeowners’ guide to excavation services

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