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Avatar for Quality 1st Basement Systems, Inc.
Quality 1st Basement Systems, Inc.
4.7(
113
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For BusinessConcrete Foundation - Repair

Serving Lansdowne, PA and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"Our basement needed assurance that the existing sump pump could handle rising water levels under our home. It was recommended that we install a second sump pump alongside the existing one, with piping exiting water discharge to the outside. The Installer (Mr. Bernard W.) took care of everything in a very professional manner. His work was superb, especially clean and cosmetic in every respect. Thank you for your superior services!"
Show Booth
Tough day
Found it in a crawlspace
What is it?
Found it in a crawlspace

+142

Response time1 day
Recommended by88%of homeowners
Avatar for Basement Gurus, LLC
Basement Gurus, LLC
4.8(
216
)
Concrete Foundation - Repair

Serving Lansdowne, PA and surrounding areas

Approved

Super Service Award Winner

In business since 2010

Free estimates

Warranties offered

"Hired the Basement Gurus to install a sump pump in my basement where I been having a ton of water pouring in the corner ground level in heavy rains for years. We had so much rain the last two weeks and not a drop/ couldn?t be any more pleased"
100 Ft 4 inch HDPE to drywell
Concrete Replacement
Egress Installation
Walls After Wall Pin Installation
After Concrete has been removed

+339

Response time1 day
593 neighbors recently requested a quote
Recommended by68%of homeowners
Basement Waterproofing Specialists
4.0(
597
)
Concrete Foundation - Repair

Serving Lansdowne, PA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"This company was a great to work with. Very professional and quick! They were able to complete my entire basement project: installing a french drain, sump pump, and rough casting on the walls in just one day. They brought in a large team to ensure the project was done correctly and efficiently. They also made sure to use drop cloths and plastic around the house to keep dust off of my furniture. This was very appreciated. The salesmen were great to work with and have the credentials/experience to back it up. Would definitely hire again!"
Foundation Repair
 Before and After Stone Work
 Mirra Drain
 Mold Remediation
 Clean Work Areas

+67

Response time11 hrs
267 neighbors recently requested a quote
Recommended by86%of homeowners
Grady's Painting Plastering/Construction
2.0(
174
)
Concrete Foundation - Repair

Serving Lansdowne, PA and surrounding areas

Approved

In business since 1969

Free estimates

Emergency services offered

"I had a small but complicated, hard to access, and structurally essential repair job on a 60-year-old concrete deck attached to my 280-year-old Pennsylvania limestone farmhouse. I contacted several masons listed for my area on Home Advisor, and included Mr. Grady as a long shot -- I read about his expertise with historical structures and wished I had access to such an expert craftsman, but I didn't think he'd be interested in my teeny job and assumed I wouldn't be able to afford him anyway. He was the first one to return my call and to look at the job, and I thought his price was fair. I believe now it was way more than fair, considering the time he spent. He did extensive research, going over a structural engineer's report I had done previously on the deck and even examining the original architectural drawings and materials invoices from 1959. He showed up at least three times to complete the repair in stages, and has been back a half a dozen times since then to check the job -- and my location is not exactly in his neighborhood. He accepted only enough payment in advance to pay for lodging for himself and his assistant when they stayed nearby one night in order to be there early the next morning. He gave and continues to give free advice about preserving my stone house and patio. If you prod him a little, he might even share some of his personal philosophy, earned over a lifetime of work that is clearly more of an art form than a job to him. Overall, I'd say you can hire one of many competent contractors and get an adequate job, or you can hire Mr. Grady and get superior work by someone who cares about your property as much as you do."
Response time11 hrs
Response rate100%
Recommended by57%of homeowners
Ascended Constructions
New to Angi
Find a Custom Home Builder

Serving Lansdowne, PA and surrounding areas

Approved (Corporate)

In business since 2023

Offers commercial services

We’re a family owned and operated company that values honesty and integrity, and stands behind our work. We offer over 40 years of industry experience. We specialize in Asphalt Shingle Roofing installation, replacement, and repairs. Our services are customized to the individual project, paying close attention to the details of each project that we're involved with. We look forward to building long-term relationships with our clients and guarantee your satisfaction!

1 neighbors recently requested a quote
Avatar for Grays Masonry
Grays Masonry
New to Angi
Concrete - Injection Leveling - Mudjacking - For Business

Serving Lansdowne, 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 Merryfield Construction Group
Merryfield Construction Group
4.5(
125
)
Find a Custom Home Builder

Serving Lansdowne, PA and surrounding areas

In business since 2003

Free estimates

Warranties offered

"AWESOME!!! They very friendly and very PROFESSIONAL. They complied with all my needs and still were very friendly after I made multiple color changes and new ideas up to the day before they started, I had them install a new roof, siding, gutters, front door, plus storm door and new windows (that had to be reframed do to size change that I wanted ) I would recommend them to anyone pricing was better then 3 other companies that I had come to my home."
Mullica Hill
Checkerboard View
Master Bath Retreat
Additional Photos
Additional Photos

+1

Recommended by95%of homeowners
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House Leveling questions, 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.

Common issues with concrete that may require professional repair or resurfacing include cracks, spalling, uneven surfaces, and weather damage.

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.

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 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.

The Lansdowne, PA homeowners’ guide to house leveling services

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