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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

547 neighbors recently requested a quote
Avatar for Eden Farms LLC.
Eden Farms LLC.
4.7(
3
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Cos Cob, CT and surrounding areas

Approved

In business since 1994

Free estimates

Credit card accepted

At Eden Farms, we're more than just a garden center and nursery – we're a family-run business deeply rooted in our love for gardening and community.\n\nFounded by Marshall Condon in 1994, our journey began with a passion for landscaping that traces back to our family's Pennsylvania roots. We've grown from a small landscape company to a full-service landscape contractor, offering everything from trees and shrubs to stone patios and fresh produce.\n\nOur commitment to you is built on trust, personalized service, and a genuine love for what we do. When you choose Eden Farms, you're choosing a family-run business that values your satisfaction and the beauty of your outdoor spaces.

Response time7 hrs
Response rate100%
3 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
Avatar for Corporate Concrete Corp
Corporate Concrete Corp
4.8(
16
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Cos Cob, CT and surrounding areas

Free estimates

Emergency services offered

"Corporate Concrete Corp was wonderful compared to the last concrete contractor I hired. They were professional, and worked tirelessly in inclement weather. I was very impressed with Jose, owner operator, when he used his high tech laser level determining the exact height and slope to effectively prevent water buildup away from my house. Their entire team, Jasmine and Jessica kept lines of communication open at all times during this work. They cleaned up very well behind them. They also completed the job a day ahead of schedule! I highly recommend them and would hire them again!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+5

Recommended by93%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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Showing 1-10 of 66
Concrete Leveling questions, answered by experts

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.

The polyurethane used for polyjacking will expand and cure in 15 to 30 minutes. After that point, your slab will be safe to walk on and even drive on in the case of a sidewalk or concrete driveway. Double-check with your concrete lifting specialist to confirm a curing timeline, as products can differ.

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

Mudjacking typically takes 24 to 72 hours (one to three days) to dry and cure completely before you can resume normal use. The exact time can vary depending on the size of the project. Because the slurry mixture contains cement, it must fully harden to ensure that added weight from walking, furniture, or vehicles won't shift the concrete slab. A professional contractor can advise you on when the surface is safe to use. For comparison, if you use polyjacking instead, the polyurethane foam can dry in just a few minutes, but it's best to wait about an hour before use.

Pros often use mudjacking or polyurethane foam injection to level a sunken concrete patio. Both methods lift the slab by filling voids beneath it. After properly compacting the soil beneath it to prevent future settling, the concrete may need to be removed and re-poured for severe sinking.

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

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