Foundation Excavation Services in Cornish, New Hampshire

Why Trust Our Foundation Excavation in Cornish, NH?

Cornish isn’t one kind of ground. The town runs along the Connecticut River, and the soil profile changes sharply depending on which side of NH Route 12A you’re building on. Down near the river and Cornish Flat, the valley floor carries deeper, siltier soil with a higher water table. Up in the uplands, Sullivan County’s documented soil types — stony, shallow-to-bedrock series with real “depth to rock” concerns on record — mean ledge can show up closer to grade than a standard soil map suggests.

That’s the starting point. What comes after it is where local knowledge matters.

New Hampshire’s frost-depth code still applies no matter which side of town you’re on, but how you safely reach that depth is a different job in each case — deeper, wetter soil calls for different drainage handling than shallow ledge calls for different equipment. A crew that treats every Cornish lot the same can be caught off guard either way.

Along the Route 12A corridor and throughout Sullivan County, we’ve excavated foundations on both river-valley and upland lots.

Murphy & Son Construction Inc. has worked this ground for years. We know which Cornish lots hide ledge — and which ones hide water.

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Client Experiences with Our
Foundation Excavations Contractors in Cornish

    
 
 
         
   Gordon Troy 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jon and his team are awesome! Over the years, they have completed a variety of projects for me and my neighbors, including the removal of many dead and dying trees (along with their stumps), the complete renovation of our common road, which was in a state of disrepair due to a lack of proper maintenance, and the repair of my driveway. Most recently, removing a rock wall with many large dead trees embedded in it, and clearing the entire area to create outdoor gardens, and coordinating that effort with adding buried conduit to repair a direct-bury electric connection to the well head, as well as installing conduit for a solar array. Additionally, Jon and his team plow my driveway and the common road shared with my neighbors. They come just often enough to keep us always open, and are very careful not to plow the road so deep as to move the gravel onto the lawn. Always fair pricing, great attention to detail, and an absolute pleasure to work with. Can't recommend enough.
  
 
        
   Dan Hall 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jon Murphy and his company have performed a wide variety of excavation and property improvement projects for us including:  equestrian riding arena construction and maintenance, rock retaining walls, property line tree and brush removal, buried propane tank, gravel driveway restoration, footings for new deck, and winter plow services.  Jon was excellent to work with.  He discussed all aspects of the projects and collaborated with us on our concerns to ensure all issues were addressed.  Jon contacted us during projects if any questions arose to ensure satisfactory results.  Jon and his team have machines in top operating condition and are they expert equipment operators.  Jon’s quoting for work is prompt, and his scheduling is reliable.  Murphy & Sons Construction is a quality outfit.
  
 
        
   Paul VanHuis 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jon did all the site work for our horse farm on a difficult piece of property in Plymouth, Vermont.  We were pleased and have had no problems even in the face of the last few years of extreme weather.  Jon and his employees are professional and timely.  His prices are competitive. He has a large array of equipment to complete the tasks he takes on.  Jon is easy to work with and  you can trust him.
  
 
        
   Fred Serra 
 
 
 
 Trustindex verifies that the original source of the review is Google. Jon and his employees are honest, hardworking and dependable.  They did an amazing job on our Bible Hill property. I would highly recommend them.

Ready to Start Your Project? Let’s Talk.

Let’s get your project moving. Our skilled team is ready to handle every phase of your site work safely, efficiently, and on schedule. Call today or request a free quote to get started.

Services We Provide

Driveway Grading and Roads

Transform your property access with our expert driveway grading and road building services. We craft durable, well-designed driveways and roads that withstand Vermont’s challenging weather

Bridges

Start your bridge project on solid ground with our specialized bridge construction services. Designed for small, personal-use bridges—whether crossing creeks, ditches, or small valleys—we establish

Demolition

Clear the way for new beginnings with our efficient demolition services. We safely and systematically dismantle structures of all sizes, ensuring proper disposal and recycling

Equestrian Riding Construction

Create the perfect training environment for your horses with our specialized riding ring construction. We combine expert excavation with precise grading to deliver a safe,

Foundation Excavation

Start your construction project on solid ground with our foundation excavation expertise. We prepare your site with precision, ensuring proper depth and leveling for a

Utility Excavation

Trust our precision excavation services for all your utility needs. We expertly handle trenching for water lines, electrical conduits, and other essential utilities. Our team

What Makes Our Foundation Excavation in Cornish, NH, Efficient and Reliable?

Foundation excavation in Cornish starts with knowing which of the town’s two ground conditions you’re actually working with.

Utility locating comes first, on every job, no exceptions. Then site assessment — we evaluate soil type, water table depth, and bedrock indicators specific to your lot, because a parcel near Cornish Flat and a parcel up toward the Sullivan County uplands don’t behave the same way at depth.

From there, we confirm the frost-depth requirement for your project and plan the excavation approach around what the site actually needs — extra drainage management on wetter valley-floor lots, or the right equipment for ledge on upland lots where bedrock sits shallow.

Excavation proceeds to the required depth and footprint for your foundation plan, whether that’s a full basement, slab, or crawlspace. Spoil is managed as we go, backfill is compacted in lifts, and final grade is set for proper drainage.

We’ve dug both sides of Cornish. We plan for what’s actually in the ground before we start — not after.

Case Studies

A homebuilder near Cornish Flat needed foundation excavation on a valley-floor lot with a naturally high water table. We assessed drainage conditions before excavating, planned around the wetter soil profile, and delivered a foundation pad excavated to code depth with proper drainage in place — no water issues at inspection or afterward.

A property owner off the Route 12A corridor needed foundation excavation on an upland lot where Sullivan County’s soil records flagged shallow bedrock as a possibility. Pre-excavation assessment confirmed ledge closer to grade than expected. We adjusted equipment and approach accordingly, reached stable bearing depth, and delivered the pad without mid-job delays or cost surprises.

RECENT PROJECTS

Take a look at some of our latest work completed recently. From land clearing and grading to demolition and full site prep we do it all. Scroll through the photos below to see our team in action and the results we deliver.

Murphy & Son Construction

Foundation Excavation Services in Cornish, New Hampshire

Why Trust Our Foundation Excavation in Cornish, NH?

Get a Quote from Foundation Excavation Experts in Cornish, New Hampshire!