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Top-Rated House leveling pros in Williamstown - Updated Nov 2026

Avatar for Groundworks
Groundworks
3.7(
362
)
Concrete - Injection Leveling - MudjackingConcrete Foundation - RaiseConcrete Foundation - Repair+1 more

Serving Williamstown, PA and surrounding areas

Approved (Corporate)

In business since 1975

Free estimates

Warranties offered

"Lukas, Dean, Peter and Leon were an excellent crew. They were friendly, professional and competent and did a great job on a major foundation repair. I still can't believe they actually lifted my house!"
Basement
Basement
Basement
Basement
Foundation

+16

Response time11 hrs
638 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for D.R. Graybill Services
D.R. Graybill Services
5.0(
1
)
Find a Custom Home Builder

Serving Williamstown, PA and surrounding areas

Approved

Free estimates

Credit card accepted

We are a general contracting business with over 30 years of experience with an uncompromising mission to provide superior craftsmanship, dedication and attention to detail that surpasses customers expectation and that creates added value to property and increase satisfaction of ownership. \nWe serve residential and commercial customers and specialize in affordable custom design with expert experience in all areas of the contracting trades from foundation to high quality finish work. We do renovations, remodeling, property restorations, and historic preservation work to the highest standards, no job is too small or large. \nOver the years our business has had the privilege to served hundreds of satisfied customers and we look forward to working with you. Give us a call, we will never compromise in our efforts to be a company of the highest standards of integrity, transparency, trust, and excellence in all we do and we thank you in advance for contacting us for your project. \n \nWe remain determined to be the best and to exceed expectations!

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+16

Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for Liberty Basement Systems
Liberty Basement Systems
5.0(
1
)
Concrete Foundation - Repair

Serving Williamstown, PA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

Liberty Basement Systems is your trusted local expert for All Things Basementy! We offer the best in basement waterproofing, crawl space repair, and foundation repair services. Using patented products with industry-leading warranties, we provide permanent solutions for your home. We proudly serve homeowners and businesses throughout Eastern & Central PA.

Stair-step cracks on your foundation wall are a common sign of foundation problems caused by settlement and soil issues.
During heavy rainfall, water leaked into the basement through the walls.
Bottom beam anchored to the floor.
SaniDry Sedona is the world's most efficient, high-performance dehumidifier and filtration system and is a crucial element in basement waterproofing and crawl space repair. As a result of its compact size, it occupies less space in a basement and can easily be tucked away in a crawl space. The unit eliminates damp, musty odors by drying and filtering the air, and it costs less to run than other dehumidifiers. It filters mold spores, dust mite droppings, dust and other particles, and it keeps hu
The wall height is measured to cut PowerBrace beam to its length and the bottom of the beam is anchored to the floor. The top bracket is installed and the beam is secured. This patented design can be straightened over time, eliminating future bowing, buckling, or inward tilting movements.

+18

34 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Central Lending Svc Inc dba Credit Central
Central Lending Svc Inc dba Credit Central
4.8(
72
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For BusinessFind a Custom Home Builder

Serving Williamstown, PA and surrounding areas

In business since 2003

Emergency services offered

"I originally found Mark on Angie's List, with all the great reviews, I had to check him out.  I am a first time home  buyer and Mark helped me with weighing my options with FHA or Conventional.  We ended up going conventional with 5% down, which saved us a lot of money.
I had another quote from another Mortgage lender, which I shared with Mark.  I also told Mark we have 30 days to close, so he definitely had his work cut out for him.  Mark ended up winning the job, he got me the best rate and cheapest closing costs.  He also promised me 30 days closing, which I was very happy he was able to do.  Everything went smoothly, and he was quick to pick up the phone and give me advice throughout the whole process.  He was very upfront with everything, all of the costs were outlined and there were NO hidden fees at the closing table.  I would highly recommend Mark, I am recommending all my family and friends to use him!
"
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Recommended by100%of homeowners
Avatar for Rock-A-Fellas Co Inc
Rock-A-Fellas Co Inc
4.5(
23
)
Concrete Foundation - RaiseConcrete Foundation - Repair

Serving Williamstown, PA and surrounding areas

In business since 2003

Credit card accepted

"We had a shed pad installed for our new shed. Bob really worked to make sure we understood the different types of pads we could get as well as the ground leveling process. He was the only contractor we talked to that put the pad in the ground (excavating some dirt) so that it didn't just sit on top. As an added bonus, he swiped away a patch of really thick ivy that we've been struggling with. When scheduling the pad, he did delay the installation due to weather issues, showing real concern that if we didn't delay at least a day, the installation would be less than the professional level he likes to leave with. I left for the morning to go to work and when I came home, the pad was ready for a shed.
Bob shows a concern for his homeowner's well being in all matters and is very knowledgable. I fully recomend him to anyone seeking a similar install, and will consider Rock-a-fella's when ever I have a gravelly/patio/deck need in the future.
"
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+14

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

Yes, expanding foam (also known as polyurethane foam) can lift concrete. This approach, called polyjacking, involves injecting the foam rather than concrete slurry to fill voids and raise the concrete slab back into place. It’s often faster and requires smaller drill holes than traditional mudjacking, though it may come at a higher cost. Some contractors also prefer polyjacking over mudjacking for more damaged and delicate slabs.

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 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.

Address drainage issues, avoid heavy loads, and seal cracks to prevent future settling.

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 Williamstown, PA homeowners’ guide to house leveling services

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