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  • Verified reviews icon19
    Verified concrete mudjacking services reviews

Top-Rated Concrete mudjacking pros in Old Greenwich - Updated Nov 2026

Avatar for Ron's Masonry
Ron's Masonry
5.0(
30
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

Approved

In business since 1995

Emergency services offered

Small jobs welcome

At Ron's Masonry, we pride our company on reliability, great communication, integrity and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business.

Walkway
Steps
Footing
Walk
Walk

+36

Response time1 day
Response rate86%
26 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.9(
13
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

"Aaron Lenker add Corbin Gillichbauer of Groundworks leveled concrete walks around my corner lot in Montoursville Pa. They arrived around noon time and were finished about 5 1/2 hours later. They did their work very professionally. They did an excellent job. I would rate their work 5 of 5 stars."
Foundation
Foundation
Foundation
Concrete
Concrete

+16

410 neighbors recently requested a quote
Avatar for Leo Masonry
Leo Masonry
4.0(
20
)
Concrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

Approved

In business since 2004

Free estimates

Small jobs welcome

With over 10 years of experience Leo Masonry has earned an excellent reputation for customer satisfaction. We beat competitor pricing, offer fast, free, same day estimates and ensure that the client is kept in the loop until the work is complete. Call us today and lets give your home the attention it deserves.

pool house
concrete
stone wall & stairs
pool
pool

+3

Response time1 day
Recommended by94%of homeowners
Sonart Construction Corp.
2.3(
7
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

Avatar for A1 Quality Roofing & Paving
A1 Quality Roofing & Paving
New to Angi
Concrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

Hello A-1 quality roofing here, specializing in roofs, commercial and residential. We are a family owned operated business since 1990 our goal is your satisfaction with are work making sure you get the quality you deserve and the work done right no job too big or small. Give us a call

Avatar for Marbin general contractor corp
Marbin general contractor corp
5.0(
32
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

In business since 2016

Free estimates

Emergency services offered

**For FASTEST Service, please call us**M&J Moving Services is an experienced and trusted partner for all of your local and long distance moving needs. We are an Moving Company created to service the community of Connecticut, New York. Our wishes are service the people on theirs moving needs at a good and reasonable price/ cost. Us satisfaction are helping you, help each other and work together. When others say not We say yes. We are here to service you

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+7

Recommended by100%of homeowners
Avatar for Concraised
Concraised
5.0(
4
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

In business since 2016

Introducing Concraised, Leveling your concrete so it’s as even and great looking as the day it was poured.\n\nAt Concraised we use the Foamjacking method to level & repair sunken concrete surfaces. We serve homeowners, residential and commercial property managements & municipalities.\n\nHow it works:\nConcrete slab lifting works like this:\n\n1) Injection of environmentally-safe foam under the existing concrete\n 2) Foam expands to fill the void at the same time compressing the soil underneath\n 3) Slab is raised completely back to level\n\nConcraised, making great first impressions, one perfect walkway at a time.

After
Before, notice the large amount of water sitting do to the concrete setting.
Before
Work in progress
After

+30

Recommended by100%of homeowners
Avatar for Masonry Enforcement
Masonry Enforcement
4.4(
126
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

In business since 2002

Free estimates

Emergency services offered

"Mike and his crew of expert builders did a fantastic job. Mike was offering a 20% off coupon, but even without that, his quote came in lower and with better materials than the other two companies I had quote (and I had already worked with one company on a large project). He came right out to look at the job and had a quote to me within 24 hours. He answered all my questions and we struck a deal. It took a little longer to get started than he said, but it was entirely due to the rainy weather we've had in July and early August. It seemed to pour on every start date we set. Nevertheless, he made my hard deadline with time to spare. He also did the job right -- making sure everything was level, that my plants were taken care of during the building process, ensuring that I was consulted during the building and that I had no questions, and (very important!) using the best quality materials. I am DELIGHTED with the results and know that I would not have received such excellent work or such an excellent price from anyone else. (Note that I didn't hire the company that I'd already done a huge hardscaping project with the year prior....). He even powerwashed my walkway and a concrete area as well as my driveway where he'd stored some materials. Mike is pleasant, customer-orientated, honest, and delivers above expectation. His crew is polite, efficient, and really good at what they do. I watched the guys who built the divider wall and they spent a lot of time picking through the pile of former-chimney rocks to find just the right ones and to lay them in perfectly. They were all so professional and nice that I shared a beer with them at the end of one day's work. Fantastic experience and end-result. Can't wait for the rain to stop so I can use it!"
Masonry
Masonry
Landscaping
Additional Photos
Additional Photos

+22

Recommended by87%of homeowners
Foundation Experts, LLC
4.5(
27
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Old Greenwich, CT and surrounding areas

In business since 1980

Emergency services offered

Credit card accepted

"We had known about this problem for some time and had also had a structural engineer evaluate our situation.  We may be putting our house up for sale soon and decided it was finally time to get the wall fixed.  Armed with my own research and the engineers evaluation, we searched for a contractor to perform the work we knew we needed to have done.  Upon contacting Foundation Experts, Larry got back to me very quickly and we set up an appointment for him to inspect the wall.  He was VERY thorough in explaining what needed to be done to stabilize the wall to prevent any further movement/damage.  He said we should have the wall "pinned".  He quoted us $4000 to do the whole job (10 pins along a roughly 25ft. long wall).  They also designed the system so that the re-bar would pass through the top course of block and attach to the house sill plate above the wall to help lock it in place.  
The price was on par with most other estimates (slightly cheaper actually), but we decided to go with Foundation Experts mostly because they were very thorough with their evaluation, were honest (I was armed with a lot of info about our situation and felt very confident that what he proposed to do was exactly what needed to be done) and they did not pressure us at all.  I also really liked the fact that they routinely work with engineers and felt that they had a better grasp on executing the work over other contractors we contacted.  They also will work with the township if permits are needed.
We scheduled for the work to start the following week.  Their team took about 2 days to do the work.  They were very professional and did not make a mess at all.  They put plastic up to prevent concrete dust from getting everywhere in the basement and cleaned up thoroughly.  Larry was present during the bulk of the work and made sure that everything went smoothly.  They even worked with us on the payment method.  He made it very clear if we have any issues/concerns or questions to call them anytime.  He also stressed that if we sell the house and potential buyers have any questions/concerns to contact him and they will work with us as best they can.  
The wall is now fixed and my wife and I feel better knowing that our wall won't come crashing down during then next heavy rain!  We also feel better knowing that we won't have to worry about foundation issues coming up if/when we sell our house.  All in all, it was a great experience!
"
Recommended by95%of homeowners
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Concrete Mudjacking FAQs, answered by experts

It’s best not to perform mudjacking in the winter unless the ground temperature remains above freezing. Freezing temperatures can cause the slurry to harden too quickly, compromising its strength and longevity. Concrete is also more susceptible to cracking and splitting in cold temperatures, so there’s a higher risk of damaging the slab during the drilling and lifting process in winter.

Most states and municipalities don’t require concrete mudjacking companies to carry a specific license, but they usually need to have a general contractor’s license, and they should be fully insured. The only exception is if the mudjacking company provides foundation repairs as well, or if it offers mudjacking for home foundations. In that case, they will typically need a foundation repair contractor’s license. You can check state requirements and then use Angi’s license lookup tool to confirm that a company is properly licensed to provide mudjacking services in your area.

Concrete leveling can last anywhere from five to 10 years or more, and in some cases, it can be a permanent solution. The longevity depends on the method used and whether the underlying cause of the sinking is addressed. For example, mudjacking typically lasts five to 10 years, while polyjacking can last for 20 years or more. It's best to consult a professional for an accurate timeline based on your specific situation and any factors that could cause the issue to recur.

There is no real alternative to underpinning, although mudjacking and polyjacking are other repair methods that can add support from underneath your foundation. Rather than placing supportive piers under your structure, these involve pumping a material under your slab to lift a sunken section back into its original position. Polyjacking, in particular, is sometimes a suitable solution for stabilization issues under slab foundations, but underpinning is often accepted as the best and most permanent solution.

Charges correlate with surface size, settlement depth, and access, often yielding significant savings over concrete replacement.

The Old Greenwich, CT homeowners’ guide to concrete mudjacking services

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