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Avatar for Estuardo LLC
Estuardo LLC
4.3(
12
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Frederick, PA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"The 2 men were here 11 hours & worked hard. They removed a 12x12 foot patio and replaced it. The finished patio is beautiful! I would not hesitate to hire them again! Thank You Estuardo LLC GREAT JOB!"
Steps to front door
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+8

Response time2 days
1 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Grays Masonry
Grays Masonry
New to Angi
Concrete - Injection Leveling - Mudjacking - For Business

Serving Frederick, PA and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Gray’s Masonry is a fourth-generation, veteran-owned and operated masonry company built on decades of hands-on experience and pride in craftsmanship. We specialize in brick and stone masonry, chimney repairs and rebuilds, retaining walls, steps, patios, concrete work, and all forms of masonry restoration—from small repairs to full structural rebuilds.\n\nOur approach is simple: honest pricing, clear communication, and work done the right way the first time. With deep roots in traditional masonry and a modern understanding of today’s materials and building standards, we deliver durable, long-lasting results you can trust.\n\nProudly serving homeowners, property managers, and small businesses throughout South Jersey, Philadelphia, and surrounding areas, Gray’s Masonry is committed to quality, reliability, and craftsmanship that stands the test of time. Built on experience. Built to last.

Avatar for Quinn Brothers Masonry LLC
Quinn Brothers Masonry LLC
4.9(
44
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Frederick, PA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"Patrick and his team were wonderful to work with for our stone and brick repointing! They came on time as scheduled for both the quote (which was very fair for the work that needed done) and actual work start date. The work they did looks amazing, and they took care to make the new sections of mortar have the same style as the old sections on our beautiful Victorian. Patrick even pointed out several other issues (some of which we were aware of), and prioritized them based on severity. We will happily be hiring them again for our masonry needs!"
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+63

Recommended by100%of homeowners
Foundation Experts, LLC
4.5(
27
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Frederick, PA and surrounding areas

In business since 1980

Emergency services offered

Credit card accepted

"Larry came out and did an analysis of our exterior drainage system, as we were having some puddling issues in the front and rear of our yard. We had just moved into the home a few months prior and Larry also did an analysis of our basement as we were having some concerns about the slightly bowed wall in our basement. Larry was very thorough and took a lot of time to go through the details of the exterior french drainage system he would install. He responded back to us in a timely manner and was extremely reasonable with their quote compared to other bids we had received from other contractors.
Larry and his team came out to the house and made quick work of a tedious job.  They took good care to keep the job-site as tidy as possible. Although Larry changed from the original plan, we felt comfortable with this as he was very thorough when explaining the reasons behind the change and we felt he had our best interest at heart. If we had any questions Larry was always available to answer them for us even when we called at 9pm.
We had a walkway that they had to cut through in order to run the piping for the drainage and Larry even added concrete to fix the walkway even though it wasn't in our original proposal.
We feel like with the work that was completed we got an excellent price and we have the peace of mind knowing that the job was done properly.
"
Recommended by95%of homeowners
Avatar for Clark Chimney & Masonry
Clark Chimney & Masonry
4.8(
32
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Frederick, PA and surrounding areas

In business since 2023

Free estimates

Emergency services offered

"I recently hired Clark Chimney and Masonry for a chimney cap and liner replacement and I'm extremely satisfied with their service. The team was prompt, professional, and efficient. They took great care in ensuring a clean work environment and thoroughly explained the process. The pricing was fair, and I appreciated their friendly customer service. I highly recommend [Chimney Service Company] for anyone in need of reliable and top-notch chimney services!"
Week of 11/19
before
MARCH 2025
Week of 11/19
Philadelphia Stucco paint waterproof

+36

Recommended by96%of homeowners
Got Problems? Get Solutions
4.2(
33
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Frederick, PA and surrounding areas

In business since 2013

Free estimates

"Dave did an excellent job of leveling our precast concrete porch by lifting/raising the low end and putting in a new footer. he then leveled our concrete walkay using injection technology. He also had some very good suggestions to prevent further settling problems due to rain water runoff."
Response time3 days
Recommended by96%of homeowners
Avatar for Watson and Sons
Watson and Sons
5.0(
10
)
Concrete - Injection Leveling - Mudjacking - For Business

Serving Frederick, PA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"I recently worked with Justin Watson from Watson & Sons Construction on four projects across two properties, and I couldn’t be more satisfied. Here’s a quick work summary: -Garage Floor (Concrete flatwork): Justin expertly repaired cracks and resurfaced the entire floor, delivering a smooth, durable finish. -Concrete sidewalk & steps rebuild: Two sidewalks, including a four-tier walkway, were rebuilt flawlessly, improving both safety and aesthetics. -Concrete Patio Repair and Resurfacing: Justin revitalized our worn patio, enhancing both its appearance and structural integrity. From the start, he provided accurate estimates and reasonable pricing. Every project was completed on time and within scope, with no surprises. His outstanding communication kept us informed every step of the way. Overall, my experience with Watson & Sons Construction was excellent. Justin’s professionalism, expertise, and customer-focused approach make him highly recommended for any construction project!"
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Concrete resurfacing

+70

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Concrete Leveling questions, answered by experts

Polyjacking and mudjacking can both be effective solutions for sinking concrete, but they have key differences. Polyjacking, which uses expanding polyurethane foam, is often considered a better option because the foam is significantly lighter than the cementitious material used for mudjacking. This reduced weight puts less pressure on the underlying soil and lowers the risk of future sinking. Polyjacking is suitable for any sinking concrete slab, while mudjacking is typically only recommended for non-structural concrete, such as sidewalks, patios, pool decks, and driveways. The primary drawback of polyjacking is its cost, which can be up to four times higher than mudjacking—as much as $25 per square foot compared to a maximum of about $6 per square foot for mudjacking.

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.

Mudjacking is usually reserved for light-duty slabs, like patios, driveways, and sidewalks. However, it can be an effective way to lift garage slabs and concrete around the perimeter of the home, which could harm your foundation if it’s not done properly. The risk of damage is why having a professional mudjacking company carry out the work is important. This type of slab or foundation repair is relatively inexpensive, especially if you consider that a DIY job requires that you pay to rent the necessary equipment.

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.

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.

The Frederick, PA homeowners’ guide to concrete leveling services

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