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Top-Rated Concrete leveling pros in Cos Cob - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.9(
13
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Cos Cob, 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

482 neighbors recently requested a quote
Avatar for Optimal Outdoor Solutions, LLC
Optimal Outdoor Solutions, LLC
5.0(
5
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

Optimal Outdoor Solutions, LLC is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

Before
After
8 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Cos Cob, 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 Cos Cob, 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 Concraised
Concraised
5.0(
4
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Cos Cob, 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
NorthWind Designs
4.9(
27
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Cos Cob, CT and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"Great! Brennan took great care in thinking through the design and design elements. Craftmanship and materials were topnotch. Project was a large patio, including an area for pets, pavilion and the use of artificial turf to enhance the look and functionality. We were very pleased with the outcome and would use Brennann and the Northwind Designs team again."
Synthetic Turf Real Look
Custom pool coping
Finished w/ a beautiful sodded lawn
Lifestyle Landscapes Greenwich
Lifestyle Landscapes New Canaan

+149

Recommended by100%of homeowners
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Concrete Leveling FAQs, answered by experts

The method involves lifting settled concrete using pressurized cement slurry via drilled holes. This solves uneven surfaces and prevents further settling.

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.

Concrete leveling is not typically covered by insurance. In some cases where the shifting concrete is caused by a natural disaster or storm, you may be able to file an insurance claim if your policy specifically covers those circumstances. In most cases, though, you’ll pay out-of-pocket for concrete leveling.

Mudjacking is your best bet for leveling concrete on a tighter budget. It’s less expensive than foam or grout mixture. For smaller, surface-level issues, you could also use a self-leveling compound, which creates an even surface over existing concrete—it’s a budget-friendly option suitable for DIY enthusiasts.

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.

The Cos Cob, CT homeowners’ guide to concrete leveling services

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