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TRUSTED BY WESTERLY, RI HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon31
    Verified house leveling services reviews

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Avatar for KEVIN F.GONSALVES (No affiliation to KFG Concrete)
KEVIN F.GONSALVES (No affiliation to KFG Concrete)
4.9(
267
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For BusinessConcrete Foundation - Repair

Serving Westerly, RI and surrounding areas

Approved

Super Service Award Winner

In business since 1994

Customers say: Super punctual

"It went very well and as expected: Kevin took measurements, after I sent him photos of the project area. (He personally came in person for the measurements on a weekend. Very shortly thereafter, he communicated my options with photos from his past projects as well as coming in person, again, to explain everything (estimates with different options and variables about the project), how the events would play out in a timeline (e.g. demolition, forms in ground, leveling, any weather-related variables---that didn't pertain to this project---and what it would look like when he and his crew were done. Also, he informed me every step of the way on when the financial pieces of the project came together. My wife and I are very pleased, to say the least, with the project and appreciate Kevin's meticulousness and attention to detail, as well as the final overall final product. Kevin does all his work for others as if it's his own---that's key in hiring someone to do a project in regard to your home. He treated it like the work was at his own house. And for that, and the fact that he was transparent, upfront, on time, and informative, we are very happy. We couldn't have asked for a better contractor or finished project. It looks great!"
Additional Photos
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Additional Photos

+18

1 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for L2 Homes
L2 Homes
5.0(
14
)
Find a Custom Home Builder

Serving Westerly, RI and surrounding areas

Approved

In business since 2000

Free estimates

Credit card accepted

"NML Legacy was very great to work with. Showed up on time, worked hard, communicated well, and conducted business in a professional—friendly manner. I have future work that’ll need to be done at my house and I will be eager and happy to work with NML again."
Rubber Roof Install
Roof Replacement
Roof Replacement
Roof Replacement
Complete Home Renovation

+8

9 neighbors recently requested a quote
Avatar for Baystate Group Builders, LLC
Baystate Group Builders, LLC
5.0(
7
)
Find a Custom Home Builder

Serving Westerly, RI and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"I hired Victor to build a new house to specification and it came out great. The finishes were high quality and working with him was a breeze. I appreciated how organized he was and how he kept the project on schedule. Would very much recommend him to others and use him again."
SHARON MA.
Sharon Ma.
Sharon Ma.
Needham Ma.
Needham Ma.

+24

Response time2 hrs
17 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Pioneer Basement
Pioneer Basement
4.5(
264
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Westerly, RI and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"

Let me start by saying Nick was very professional and well versed in his products, services & industry.   Nice guy all around who was easy to talk to and was a no pressure person, which I prefer.  Very responsive to any and all questions and was willing to offer up all the answers and information he could.  This was greatly appreciated.  

Now as a whole, I don't believe this is worth $49.  It was more of a sales pitch.  One of which I would suggest be offered for free of charge.  He did not inspect down spouts or exterior foundation, nor did he inspect window wells for leaks, etc.   He did check humidity levels and also go over thoroughly his suggested fixes to keep my basement dry and prevent any future issues, especially due to me wanting to finish it.  I pointed out my problem areas and he gave me solid recommendations. 

When and if I choose to install certain measures in my basement, I will absolutely consider this company, if not the service, definitely the products.   But this deal - not worth $49.  I'm sure you can get this for free if you call another vendor.  Regardless, this is tough as I did like Nick and all that he did do.  Just the $49 is why I gave pricing a C.  I think I wanted more of a drawn up/written plan.   He did send me a detailed estimate that same day.




"
Additional Photos
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+5

11 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Set in Stone
Set in Stone
4.3(
107
)
Concrete Foundation - Repair

Serving Westerly, RI and surrounding areas

Approved

In business since 1983

Free estimates

Warranties offered

"A car struck my stone foundation. Of the three companies I contacted, they were the only one that understood level of damage, the scope of work required by the insurance company and followed up on it. I had a very positive experience with them."
Natural stone and stamped concrete creations
Outdoor living never looked so good...
OUR WORK
OUR WORK
EXCEPTIONAL FOUNDATION REPAIRS

+11

Response time1 day
Recommended by92%of homeowners
Avatar for Groundworks
Groundworks
3.6(
475
)
Concrete Foundation - RepairConcrete Foundation - RaiseConcrete - Injection Leveling - Mudjacking+1 more

Serving Westerly, RI and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Warranties offered

"Reliable firm if a bit expensive. I have worked with them since buying the house. They honored the previous owners warranty. I pay for a yearly service on the pumps and when there was an issue with one of the pumps. It was replaced under the warranty. Archie, the service manis fast and thorough. He has been here for most of the yearly visits and is familiar with the installation."
Basement
Basement
Basement
Basement
Foundation

+16

Response time2 days
328 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Sentri Homes
Sentri Homes
2.8(
36
)
Find a Custom Home Builder

Serving Westerly, RI and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

"I was very impressed with Sentri Homes - their customer service was excellent. They sent a subcontractor to install some vinyl laminate in my bathroom and he ended up getting glue all over the carpet in our bedroom. The sub ended up ghosting both me and Sentri, leaving me stuck with a ruined carpet. Sentri stuck with me for over a month to get the carpet replaced with the identical original and to get the vinyl job 100% completed. The carpet was a Home Depot exclusive and Sentri handled everything with them. I will be using Sentri for a much bigger renovation I have coming up soon, because I know that they will make sure everything gets done right no matter what problems come up. The vinyl looks great too."
25 neighbors recently requested a quote
Avatar for Ram Jack New England
Ram Jack New England
3.9(
14
)
Concrete Foundation - RepairConcrete Foundation - Raise

Serving Westerly, RI and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

One of the most premier concrete repair foundation companies in Massachusetts is Ram Jack New England. We specialize in all of your home or businesses concrete foundation repairs and foundation raising. If your home seems to be having issues with cracked walls or floors in your foundation our professionals are highly skilled and experienced in helping our customers get their home fixed the right way.

Seawall and bulkhead
Pool deck stabilization
Garage slab stabilization
Front porch slab recovery
Boat ramp repair

+11

Response time1 day
98 neighbors recently requested a quote
Recommended by100%of homeowners
Knight Builders, Inc.
4.3(
3
)
Find a Custom Home Builder

Serving Westerly, RI and surrounding areas

Approved

In business since 1999

Free estimates

Customers say: Terrific value

"We hired Knight Builders to demolish a cottage and construct a new home in another state other than the one we live in. The whole process from beginning to end was made easier because of the professional knowledge and pleasant attitude of Randy Knight. He handled all the permits, papers, blueprints, details, and problems that arose with such ease. We have a beautiful home that his crew constructed and it is built so solidly!"
Response time6 days
Recommended by100%of homeowners
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House Leveling questions, answered by experts

Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer polyjacking over mudjacking for more damaged and delicate slabs.

The average cost for mudjacking is around $1,200, though prices can range from $300 to $3,400. On a per-square-foot basis, you can expect to pay between $3 and $8, with an average of about $5 per square foot. The final cost depends on several factors, including the square footage of the concrete, the type of slab, its accessibility, whether it is load-bearing, and the type of material used to lift it. Generally, lifting a driveway, small patio, or sidewalk is less expensive than lifting a slab foundation or garage floor.

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The total drying time can vary depending on the size of the project. Because the slurry mixture contains cement, it needs to harden fully to prevent the concrete slab from shifting under added weight. You should avoid walking on the concrete or placing heavy items like furniture or vehicles on the surface until it has fully set. Your concrete contractor can provide a precise timeline. As a point of comparison, if you opt for polyjacking, the polyurethane foam can dry in minutes, but it's recommended to wait about an hour before use.

A slurry of cement, sand, and water is injected beneath the concrete to lift and stabilize it.

Mudjacking can be an expensive foundation repair process, but in many cases, it’s well worth the investment. This is especially true if you’re lifting a portion of sunken foundation slab back into place. In that case, mudjacking can help avoid major structural damage and even home collapse by restoring the integrity of your structure with minimally invasive procedures. Mudjacking a concrete patio, walkway, or sidewalk can be worthwhile because it removes tripping hazards and makes your outdoor area more aesthetically appealing.

The Westerly, RI homeowners’ guide to house leveling services

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