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Avatar for Northern Basement Systems
Northern Basement Systems
4.6(
21
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairConcrete Foundation - Raise+1 more

Serving Cornwall, VT and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"Paul Swann evaluated our foundation problem and referred us to an engineer who provided a detailed repair plan. Unfortunately, the nature and scope of the proposed repair plan was outside the parameters of what Northern Basement System's themselves could provide. We appreciated their honesty and have been looking for a contractor to take on the project."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+25

Response time1 day
7 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Lackey Land Works
Lackey Land Works
5.0(
25
)
Foundation Drainage - Install or ReplacePoured Concrete Wall - Repair

Serving Cornwall, VT and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"They handled themselves in a professional manner. They explained the process of replacing the retaining wall and reinstalling the fence. They cleaned up the site and checked with us for any problems or concerns. I would highly recommend them to anyone looking for a contractor."
Response time1 day
2 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for Palmers construction enterprise LLC
Palmers construction enterprise LLC
5.0(
3
)
Concrete Foundation - Repair

Serving Cornwall, VT and surrounding areas

Approved

In business since 2025

Free estimates

"Palmer Construction — Highly Recommend I called Brad at Palmer Construction about a roofing issue, and from the start he was thorough and professional. He came out to the house, took detailed notes, and gave me an extremely fair price. Once he and his crew got up on the roof, they discovered the damage wasn’t as extensive as originally thought, and instead of running up the bill, Brad was completely honest about it. He was transparent throughout the whole process, showed me everything, and walked me through exactly what needed to be done. Since then, he’s also handled several small projects around my house, and every time it’s the same story: reliable, detailed work done the right way. He really sets you up for success. I couldn’t be happier with Brad and his team, and I’d recommend Palmer Construction to anyone in need of quality, trustworthy work."
My jobs
My jobs
My jobs
My jobs
My jobs

+7

9 neighbors recently requested a quote
Avatar for Basement Solutions LLC
Basement Solutions LLC
New to Angi
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationConcrete Foundation - RepairFoundation Drainage - Install or Replace

Serving Cornwall, VT and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

We pride our company on reliability, integrity and quality work. We are experts in our trade. We look forward to earning your business! We specialize in concrete crack repair and injections, basement waterproofing, sump pump installations, basement and egress window installations, crawlspace repair, moisture control, foundation repair and so much more.\nCall us today for a free estimate.

Egress
Egress
Egress
Sump Pump
Perimeter System

+4

16 neighbors recently requested a quote
Avatar for Colonial Restorations
Colonial Restorations
4.5(
28
)
Concrete Foundation - RaiseConcrete Foundation - Repair

Serving Cornwall, VT and surrounding areas

In business since 1981

"Colonial Restorations was superb.   Our family very much enjoyed working with Brad Green and Tom Green.  

At the outset, they made thorough assessments of our family's barn, identifying several problem areas and offering multiple proposals for how best to address each (including strategies and estimates).  They walked through the different proposals with us, addressing all questions and discussing different options.  This was extremely constructive and important to the process. 

They demonstrated very clear understanding of post-and-beam wood construction.  They displayed great expertise in working with wood (white oak, red oak, hemlock) and with the tools, jacks and cribbing needed for this work.  They worked carefully, always putting in place the necessary jacks and cribbing in advance of each phase of this project.

They were clear about their schedule and were very responsible about communicating with us.  If there were a day that they would not be on site, they let us know ahead of time.  With the exception of a snow storm and an illness, they were on site five days a week from the first week in January till the second week in February, 2016.  

By the completion of this project, Colonial Restorations had made significant and important structural repairs to our barn.  This work was done with care, craft, accuracy, and to code.  (All elements of this project were examined and passed by the building inspector.)  Most important, these repairs respected and worked with the existing structure and materials of the barn.

We could not be happier with these repairs or with the work done by Colonial Restorations.  It was a pleasure working with Brad and Tom."
Post Replacement
Before
During
Barn Roof Replacement
Before

+6

Recommended by87%of homeowners
Avatar for Green Mountain Basement Solutions LLC
Green Mountain Basement Solutions LLC
4.0(
30
)
Concrete Foundation - RaiseConcrete Foundation - RepairFoundation Drainage - Install or Replace+2 more

Serving Cornwall, VT and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"When I first called, I was surprised at how quickly they returned my phone call to set up an estimate. He was able to come over the next evening to check out our basement. He was punctual and provided us information about what would need to be done. He stated that he would provide us with an estimate that evening. I waited, but the estimate never came. I called the following week to see the status of the estimate. They stated that they were busy, but I should have it by now and would email it ASAP. After a second week, I called again. They said they would get it to me again. After the third week, I called again and was told the same thing. I gave up at that point and contacted someone else, who will be fixing the basement tomorrow. It's been over a month now and never received an estimate for the work. I understand that it's a busy time of year, but was disappointed to never get the estimate and didn't feel like I should have to pester them for it.
"
Recommended by75%of homeowners
TJL Construction
4.6(
36
)
Foundation Drainage - Install or Replace

Serving Cornwall, VT and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"TJL Construction remodeled our bathroom: took out old tub and vanity and installed new plumbing, shower, sink, light and other fixtures, ceiling, flooring, and painted. Matt Swan was great to work with. He provided a detailed estimate and stuck to it. Work was done on schedule, all materials were cleaned up and cleared away. I would highly recommend their work."
Garage build
Remodel
Garage build
Remodel
Garage build

+130

Response time2 days
Response rate93%
Recommended by78%of homeowners
Showing 1-10 of 26
Foundation Repair questions, answered by experts

Crawl space foundation problems can stem from a few different issues, but the most common are moisture and water problems and soil instability. Moisture and water issues are often a result of poor drainage, which can lead to water intrusion and soil expansion and contraction, leaving your foundation under added stress. A few things can cause soil instability, including poor drainage, karst landscapes and resulting sinkholes, and poorly compacted soil during construction.

No, hairline cracks in concrete are generally not a problem as they do not impact the strength and longevity of the concrete. Generally, cracks less than 0.3 millimeter wide don’t impact the structure. Hairline cracks can grow over time and weaken the structure, such as in a home foundation. Some hairline cracks can also cause leaks in a foundation. It’s important to watch the cracks to see if they grow. Contact a concrete contractor if you notice cracks exceeding 0.3 millimeter wide.

Generally, foundation cracks and repair are not covered by standard homeowners insurance policies. This type of damage is often considered normal wear and tear or a result of poor maintenance, which is the homeowner's responsibility. For example, damage caused by settling, shifting soil, or drainage issues is typically excluded.

However, there are exceptions. Coverage may apply if the foundation damage is a direct result of a covered peril, such as a house fire, a burst pipe, vandalism, or a vehicle accident. Coverage for natural disasters like earthquakes and floods often requires a separate, specific policy or add-on.

Yes, engineers assess soil load-bearing capacity and provide construction guidelines.

Many horizontal cracks in home foundations result from water and soil pressure from outside of the building or from a footing that is shifting. Under those circumstances, horizontal cracks are a structural problem that requires repair before they become worse and more difficult to fix. However, in very specific cases, thin horizontal cracks may simply be a cosmetic blemish due to concrete shrinkage.

The Cornwall, VT homeowners’ guide to foundation repairs

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