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    Average homeowner rating
  • Verified reviews icon12
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Find Excavation pros in Peterborough

High Bank Excavation & Sitework, LLC
4.3(
15
)
Excavation - Major Grading or ReslopingExcavation - Major Grading or Resloping - For BusinessLandscape - Minor Grading or Resloping

Serving Peterborough, NH and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"the project was excavation of an overgrown back yard area, with tree cutting and small retaining wall to offset a deep slope. Great job, and very helpful and friendly....very professional."
 Main Walkway - Before
 Regrading back yard
 5 Bedroom Septic System Install
 Main Entry - Before
 Trenching for Sprinkler System

+18

Recommended by92%of homeowners
McAdams Excavation & Landscaping
4.3(
24
)
Excavation - Major Grading or ReslopingLandscape - Minor Grading or ReslopingExcavation - Major Grading or Resloping - For Business

Serving Peterborough, NH and surrounding areas

Approved

In business since 2017

Free estimates

Small jobs welcome

"The attention to detail of the work was top rate. We had three sink holes in our yard that they took care of for us, as well as spreading loam for us to start a lawn in the spring. I very highly recommend McAdams Excavation."
Response time1 day
32 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Mike & Macs Junk Removal
Mike & Macs Junk Removal
5.0(
13
)
Building Site - Preparation and Clearing - For Business

Serving Peterborough, NH and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Mike and McKenna were outstanding to do business with. They provided a quote they were on time and Efficient and above all are professional and friendly. My experience was a great one and I will be hiring them again and referring them to others. Excellent business in Hudson."
Yard cleanout
Yard cleanout
1 neighbors recently requested a quote
Avatar for IDIG
IDIG
5.0(
3
)
Excavation - Major Grading or ReslopingLandscape - Minor Grading or Resloping

Serving Peterborough, NH and surrounding areas

Approved

In business since 2018

Emergency services offered

Customers say: Quick response

"Excellent service, professional and thorough. Brian regraded my driveway for better water control, built several retaining walls using rocks that were excavated from my property and they look beautiful! Clean up after the project was top-notch. Fully recommend."
Driveway Re-slope
Stone Retaining Wall Planter
Stone Retaining Wall Planter
Retaining Wall
Rock Retaining Wall

+18

Response time20 mins
Recommended by100%of homeowners
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Excavating questions, answered by experts

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.

If you don’t wish to dig it out and convert it into a finished basement, you can still encapsulate your crawl space to protect it from damage for an average cost of $5,500. Finishing a crawl space beyond this isn’t really worthwhile, as the low ceilings mean you won’t be able to use the area as living space.

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.

Depending on the severity of the freeze and the method used, thawing frozen underground pipes can take anywhere from 30 minutes to several hours. Applying heat directly to the pipe using heat tape, infrared lamps, or hot water jetting can speed up the process. However, patience and careful monitoring are key to avoiding pipe damage.

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.

The Peterborough, NH homeowners’ guide to excavation services

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