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Top-Rated Concrete leveling pros in Darien - Updated Nov 2026

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

Serving Darien, CT and surrounding areas

Approved

In business since 1995

Emergency services offered

Small jobs welcome

"I hired Ron's Masonry for yard work on May 27th, 2024. They helped me out when my original contractor refused to get back to me regarding my lawn and hedge situation. I cannot say it enough. Ron's Masonry is dependable and did an amazing job and saved me a lot of money and embarrassment. I will be recommending them to anyone who needs a hand. 5 star service.⭐⭐⭐⭐⭐ And I will be using them again. -Edward Coke, Stamford Connecticut resident"
Walkway
Steps
Footing
Walk
Walk

+36

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

Serving Darien, 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

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

Serving Darien, 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 Shoreline Property Works
Shoreline Property Works
New to Angi
Concrete - Injection Leveling - Mudjacking - For Business

Serving Darien, CT and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Welcome to Shoreline Property Works and Smart Living—your trusted partner for home repairs, upgrades, and smart home solutions. From everyday maintenance and expert handyman services to thoughtful improvements, custom installations, and seamless home automation. We keep your home connected, looking its best, and operating at its highest level.

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

Serving Darien, 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

Foundation Experts, LLC
4.5(
27
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Darien, CT and surrounding areas

In business since 1980

Emergency services offered

Credit card accepted

"Larry came out for an estimate quickly.  I had to postpone work a bit because of some other issues with the house.  When I was ready to go, Larry came back out and we went through everything again.  This time a few other issues were brought to light.  I went with Foundation Experts because the recommendations seemed more logical than other ideas that had been proposed by other companies.  Once the contract was signed, work began quickly.  Quite a few workers were there for different aspects of the job.  Everyone was very friendly and professional.  Andy was involved in different aspects of the project than the others and was very thorough in explaining what he was doing and why.  The job didn't really take too much time and was spread out over 2 days.  Everything looks good.  The initial reason for my call to them was because of water pouring into my basement when it rains.  Hoping that what they did will do the trick.  Time will tell.
I have a few future projects in mind for them in the future.
"
Recommended by95%of homeowners
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Concrete Leveling FAQs, answered by experts

Yes, you can mudjack cracked concrete, but the cracks will need to be repaired once the concrete has been leveled. If the concrete is severely cracked in multiple places, replacement may be a better option, but for less severe cracking, mudjacking is a good solution as long as cracks are correctly caulked and sealed.

Mudjacking restores level surfaces, prevents further damage, and is more cost-effective than a full replacement.

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 houses are expected to settle over time, but foundation sinking of more than a few inches or uneven sinking of more than an inch for every 20 feet is cause for concern. Any significant or uneven sinking should be assessed by a professional to determine the cause and perform any necessary repairs. 

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.

The Darien, CT homeowners’ guide to concrete leveling services

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