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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Helical Drilling. Use it to sanity-check bids, then get the real number in writing.
Not sure which you need? Start with an inspection — many reputable companies assess free, and independent assessments run up to $500.
The wall run getting the drain — a full 30×40 ft basement is about 140 ft.
Estimated range
$7,600 – $15,000
Typical waterproofing project around $11,300
Helical Drilling works under the building rather than on it: ground improvement, deep foundations and piles, earth retention and underpinning, run out of Braintree. Its own description of the work points at commercial, industrial and infrastructure projects across New England, and the company says it has spent more than 30 years alongside general contracting and engineering teams around the Northeast. Its BBB profile puts the figure at 37 years. The Massachusetts home improvement contractor registration, #117851, is active on the state registry. BBB grades the company A+, and Google shows 4.5★ across 13 ratings. What people have actually written is mostly about living beside the work rather than buying it. An October 2025 review came from someone near a job that had been running a while: four stars, and a description of the noise — the reviewer wrote that the track sounds gave them flashbacks from their time as a tank driver in the Army. A December 2024 post on Indeed, written from an employee's side rather than a customer's, told readers to stay away from the company. For a homeowner, this is specified work more than shopped work — helical piles, underpinning and earth retention usually arrive through the engineer or general contractor running the project, which is the way the company describes its own jobs. If your foundation problem has reached that stage, ask who the engineer of record is, how long the rig will be on site, and what the noise will be like while it runs — a neighbour's review makes that last one worth settling up front.
“Overall the company doesn’t care about your well being as an individual and the wrong people are in the wrong positions and don’t take responsibility of what’s right and wrong, read the other reviews and save yourself the headache, stay far away from this place”
Its been a project for a while and it's noisey when there working and the track sounds give me flashbacks from my time as a tank driver in the Army other wise I don't know too much
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1 change recorded — last scanned Jul 5, 2026.
Retaining wall rebuilds and repairs5.0
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