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Find Concrete foundation repairers in Valley Forge

Avatar for AJ Waterproofing

AJ Waterproofing

4.98(
173
)
•Approved Pro

AJ Waterproofing

4.98(
173
)
•Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
50 years of experience

We are a family run waterproofing specialist company, owned and operated, since 1976 by A.J. DiElsi. We have one crew, one truck and start and finish one job at a time. We are completely insured with general liability and workman's compensation. There is no charge for estimates and we take no deposits on any job. You pay us upon completion of the job. We do not have salesmen. A.J. is the gentleman that comes out to deliver each estimate and he is on each job. We excel in impeccable workmanship, and the jobs are always left cleaner than when we arrived. We give a lifetime guarantee on our French Drains and it is transferable to each new homeowner. Please feel free to call with any questions 610-527-9444 or 610-409-0888, Additional phones: 610-960-1589. Or feel free to email us at : ajwaterproofing@verizon.net, you can also check us out on YouTube and our website, ajwaterproofing.com.

"AJ was quick to respond, gave me plenty of time to look at the project and had a vast knowledge to speak directly to my concerns. His solution for my basement walls was simple and reasonable. He did not try and sell me on unnecessary items that other companies tried to make be buy. His work crew were excellent. They were hard working, quiet, and very clean. They took care of covering everything up, hauling away all the rubble and even some of the collected junk in our basement. The job was completed in 3 days. The space looks great now, and I trust it will last for the lifetime they say it will. AJ is also a great guy and easy to talk to."

Gerard C on January 2026

We are a family run waterproofing specialist company, owned and operated, since 1976 by A.J. DiElsi. We have one crew, one truck and start and finish one job at a time. We are completely insured with general liability and workman's compensation. There is no charge for estimates and we take no deposits on any job. You pay us upon completion of the job. We do not have salesmen. A.J. is the gentleman that comes out to deliver each estimate and he is on each job. We excel in impeccable workmanship, and the jobs are always left cleaner than when we arrived. We give a lifetime guarantee on our French Drains and it is transferable to each new homeowner. Please feel free to call with any questions 610-527-9444 or 610-409-0888, Additional phones: 610-960-1589. Or feel free to email us at : ajwaterproofing@verizon.net, you can also check us out on YouTube and our website, ajwaterproofing.com.

"AJ was quick to respond, gave me plenty of time to look at the project and had a vast knowledge to speak directly to my concerns. His solution for my basement walls was simple and reasonable. He did not try and sell me on unnecessary items that other companies tried to make be buy. His work crew were excellent. They were hard working, quiet, and very clean. They took care of covering everything up, hauling away all the rubble and even some of the collected junk in our basement. The job was completed in 3 days. The space looks great now, and I trust it will last for the lifetime they say it will. AJ is also a great guy and easy to talk to."

Gerard C on January 2026

Avatar for Basement Gurus, LLC

Basement Gurus, LLC

4.85(
157
)
•Approved Pro

Basement Gurus, LLC

4.85(
157
)
•Approved Pro
Super Service Award
Customers say: Quality work
16 years of experience
Free onsite estimate

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"Josh, the representative from Basement Gurus was outstanding! We had experienced a water issue in our finished basement. Josh thoroughly examined the interior and exterior of the home and determined that the leak might be plumbing related. Josh could have very easily exploited our ignorance and suggested a solution purely beneficial to his company that may not have addressed the underlying cause of the problem. Instead, he demonstrated his integrity by realistically assessing the situation even if it would jeopardize the sale. This is commendable particularly in this era where cutthroat business practices are commonplace. I highly recommend Basement Gurus. They are fortunate to have an employee like Josh who exhibits concern for the customer at such a high level. "

Don I on January 2026

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"Josh, the representative from Basement Gurus was outstanding! We had experienced a water issue in our finished basement. Josh thoroughly examined the interior and exterior of the home and determined that the leak might be plumbing related. Josh could have very easily exploited our ignorance and suggested a solution purely beneficial to his company that may not have addressed the underlying cause of the problem. Instead, he demonstrated his integrity by realistically assessing the situation even if it would jeopardize the sale. This is commendable particularly in this era where cutthroat business practices are commonplace. I highly recommend Basement Gurus. They are fortunate to have an employee like Josh who exhibits concern for the customer at such a high level. "

Don I on January 2026

Avatar for Quality 1st Basement Systems, Inc.

Quality 1st Basement Systems, Inc.

4.87(
90
)
•Approved Pro

Quality 1st Basement Systems, Inc.

4.87(
90
)
•Approved Pro
Customers say: Quick response
27 years of experience
Free onsite estimate

Quality 1st Basement Systems is your local, family owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Mold Remediation, Crack Repair, Radon Testing and Radon Mitigation, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT info@BasementSystemsUSA.com

"Installed radon filter without any issues or hassle."

Jonathan M on May 2023

Quality 1st Basement Systems is your local, family owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Mold Remediation, Crack Repair, Radon Testing and Radon Mitigation, Egress Windows and Egress Stairwell, and Crawlspace Encapsulation too. 100% FINANCING AVAILABLE and free estimates. We have been in business for 25 years and have five star ratings with Google, Yelp, and the BBB. Winner of the 2021 BBB Torch Award for Market Place Ethics and finalist for the 2022 International BBB Torch award for Market Place Ethics. CONTACT US NOW BY CALLING 1-800-768-6745 OR EMAIL US AT info@BasementSystemsUSA.com

"Installed radon filter without any issues or hassle."

Jonathan M on May 2023

Avatar for Quality 1st Basement Systems

Quality 1st Basement Systems

4.58(
253
)
•Approved Pro

Quality 1st Basement Systems

4.58(
253
)
•Approved Pro
Customers say: Super punctual
40 years of experience
Free onsite estimate

Quality 1st Basement Systems has been helping homeowners improve their homes for over 30 years. We have helped over 11,000 homeowners with All Things Basementy by designing effective solutions for their home’s needs. Whether our homeowners are interested in Basement Waterproofing, cracked foundation walls, Crawl Space Repair, basement Finishing, or raising concrete slabs, we can help! We service New Jersey, all 5 boroughs of New York City, Maryland, Delaware and areas of Pennsylvania. Thousands of homeowners have experienced the Quality 1st Basement Systems difference. We invite you to do your homework and check out our credentials and compare. Put our experience and integrity to work protecting your investment. Our reputation exceeds all others because of our culture of WOW customer service.

"Everything went smoothly"

Hector R on December 2023

Quality 1st Basement Systems has been helping homeowners improve their homes for over 30 years. We have helped over 11,000 homeowners with All Things Basementy by designing effective solutions for their home’s needs. Whether our homeowners are interested in Basement Waterproofing, cracked foundation walls, Crawl Space Repair, basement Finishing, or raising concrete slabs, we can help! We service New Jersey, all 5 boroughs of New York City, Maryland, Delaware and areas of Pennsylvania. Thousands of homeowners have experienced the Quality 1st Basement Systems difference. We invite you to do your homework and check out our credentials and compare. Put our experience and integrity to work protecting your investment. Our reputation exceeds all others because of our culture of WOW customer service.

"Everything went smoothly"

Hector R on December 2023

Avatar for Groundworks

Groundworks

4.57(
393
)
•Approved Pro

Groundworks

4.57(
393
)
•Approved Pro
Customers say: Super punctual
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
29 years of experience

Groundworks is the North America’s leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we’re there with one mission – to repair, protect and improve their home.

"......."

Jordan M on March 2026

Groundworks is the North America’s leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we’re there with one mission – to repair, protect and improve their home.

"......."

Jordan M on March 2026

Avatar for The Driveway Lady LLC

The Driveway Lady LLC

4.50(
196
)
•Approved Pro

The Driveway Lady LLC

4.50(
196
)
•Approved Pro
Customers say: Super punctual
47 years of experience
Free onsite estimate

The Driveway Lady LLC is family owned and operated. Get special discounts with our group rates. We offer $500 off any project over $ 4000when contract is signed within 24 hours of estimate. We install attic insulation , radiant, barrier vapor barrier blown insulation spray, foam insulation batten fiberglass insulation Insulation asphalt and concrete parking lots, driveways, tennis courts, patios, retaining walls and sidewalks. We also repair asphalt cracks, grading, sealcoating, waterproof basement repair and work with hot tar. The Driveway Lady LLC is registered throughout the state of Pennsylvania to perform the work outlined below in the Services Include section. Our license number is PA010998.

"They came out and gave me a quote pretty quickly and repaired at 35 ft fence in a few hours at a fair price."

Issiah R on March 2024

The Driveway Lady LLC is family owned and operated. Get special discounts with our group rates. We offer $500 off any project over $ 4000when contract is signed within 24 hours of estimate. We install attic insulation , radiant, barrier vapor barrier blown insulation spray, foam insulation batten fiberglass insulation Insulation asphalt and concrete parking lots, driveways, tennis courts, patios, retaining walls and sidewalks. We also repair asphalt cracks, grading, sealcoating, waterproof basement repair and work with hot tar. The Driveway Lady LLC is registered throughout the state of Pennsylvania to perform the work outlined below in the Services Include section. Our license number is PA010998.

"They came out and gave me a quote pretty quickly and repaired at 35 ft fence in a few hours at a fair price."

Issiah R on March 2024

Grady's Painting Plastering/Construction

4.56(
54
)
•Approved Pro

Grady's Painting Plastering/Construction

4.56(
54
)
•Approved Pro
Customers say: Quality work
57 years of experience
Free onsite estimate

WE SPECIALIZE IN THE HISTORICAL REPAIR AND RESTORATIONS FOR INTERIOR AND EXTERIOR. WE WORK THE WHOLE STATE OF NEW JERSEY, MARYLAND, WASHINGTON DC, CONNECTICUT, VIRGINA AND MASSACHUSETTS. WE ARE LICENSED AND INSURED IN ALL STATES. WE ARE WILLING TO TRAVEL, ANY JOB SMALL OR LARGE. CONSULTATION AND TRANSPORTATION FEES WILL APPLY. WE DO WINDOW REPAIR. PLASTER REPAIRS. AND ALL MASONRY REPAIRS

"We have a historical restoration building in downtown Washington, D.C. We had sent out nationally 75 bids for period construction and historical restoration work. This job included replication or historical tiles in all bathrooms and also replication of historical tiles in all hallways. Also the replication/repair of period wooden windows, which were rotted, also floors needed structural repairs made. There was a large amount of decorative plaster relief work, which had to be repaired, and molds made to replicate areas that were non-existent. The exterior had a great deal of masonry repair work which included repointing of all brick and stone work. Also included in the exterior of this job was stone carvings that needed repair/replacement. Out of all of the responses to our bids which we national bids we centered upon the most knowledgeable and gifted company probably the best in the U.S.A which was Grady"s Construction and Plastering of Wilkes-Barre, PA. His unique gifts had given us the opportunity to bring back the granger and integrity of this very important historical structure in downtown Washington, D.C. His honesty, talent and integrity is above and beyond any rating that your company offers."

Borris D on May 2003

WE SPECIALIZE IN THE HISTORICAL REPAIR AND RESTORATIONS FOR INTERIOR AND EXTERIOR. WE WORK THE WHOLE STATE OF NEW JERSEY, MARYLAND, WASHINGTON DC, CONNECTICUT, VIRGINA AND MASSACHUSETTS. WE ARE LICENSED AND INSURED IN ALL STATES. WE ARE WILLING TO TRAVEL, ANY JOB SMALL OR LARGE. CONSULTATION AND TRANSPORTATION FEES WILL APPLY. WE DO WINDOW REPAIR. PLASTER REPAIRS. AND ALL MASONRY REPAIRS

"We have a historical restoration building in downtown Washington, D.C. We had sent out nationally 75 bids for period construction and historical restoration work. This job included replication or historical tiles in all bathrooms and also replication of historical tiles in all hallways. Also the replication/repair of period wooden windows, which were rotted, also floors needed structural repairs made. There was a large amount of decorative plaster relief work, which had to be repaired, and molds made to replicate areas that were non-existent. The exterior had a great deal of masonry repair work which included repointing of all brick and stone work. Also included in the exterior of this job was stone carvings that needed repair/replacement. Out of all of the responses to our bids which we national bids we centered upon the most knowledgeable and gifted company probably the best in the U.S.A which was Grady"s Construction and Plastering of Wilkes-Barre, PA. His unique gifts had given us the opportunity to bring back the granger and integrity of this very important historical structure in downtown Washington, D.C. His honesty, talent and integrity is above and beyond any rating that your company offers."

Borris D on May 2003

Groundworks

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Groundworks

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
29 years of experience
Free onsite estimate

Groundworks employs patented solutions to target foundation, basement, concrete, and crawl space challenges at their source. Our customized repairs safeguard homes in Philidelphia, enhancing safety, appearance, and value.

Groundworks employs patented solutions to target foundation, basement, concrete, and crawl space challenges at their source. Our customized repairs safeguard homes in Philidelphia, enhancing safety, appearance, and value.

STRONG FOUNDATIONS HOME INSPECTIONS

4.98(
48
)

STRONG FOUNDATIONS HOME INSPECTIONS

4.98(
48
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

LICENSE #24376.

"Nick was extremely thorough and knowledgeable. He went well above and beyond my expectations for a home inspection. Described in detail every potential issue from the absolute minor to the major. Nick's attention to detail was so good that he even pointed out how the HVAC contractor used the wrong kind of tape to affix the ducts to each other. He also has a lot of knowledge about the area, its history and how that affects the construction of the old homes that are so common here. I was absolutely blown away by Nick's work and strongly believe that no one should ever buy a house without having Nick and Strong Foundations inspect it."

Robert J on March 2021

LICENSE #24376.

"Nick was extremely thorough and knowledgeable. He went well above and beyond my expectations for a home inspection. Described in detail every potential issue from the absolute minor to the major. Nick's attention to detail was so good that he even pointed out how the HVAC contractor used the wrong kind of tape to affix the ducts to each other. He also has a lot of knowledge about the area, its history and how that affects the construction of the old homes that are so common here. I was absolutely blown away by Nick's work and strongly believe that no one should ever buy a house without having Nick and Strong Foundations inspect it."

Robert J on March 2021

Avatar for South Jersey Waterproofing & Structural Repair LLC

South Jersey Waterproofing & Structural Repair LLC

4.98(
99
)

South Jersey Waterproofing & Structural Repair LLC

4.98(
99
)
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

The ORIGINAL South Jersey Waterproofing! 10% Off any job for Angies List members! For over 60 years, we have been returning homes to a healthy home all over NJ, PA, and DE. Family Owned and operated. FREE estimates, no salesman and no subcontractor. Don’t let other companies with similar names confuse you Contact us to evaluate your home to solve any water related issues, foundation failures, mold contamination, masonry and historical restorations. We can then provide a FREE estimate to correct those issues! Deal directly with the 4th Generation owner.

"Great guys, great outcome,"

Sharon B on September 2020

The ORIGINAL South Jersey Waterproofing! 10% Off any job for Angies List members! For over 60 years, we have been returning homes to a healthy home all over NJ, PA, and DE. Family Owned and operated. FREE estimates, no salesman and no subcontractor. Don’t let other companies with similar names confuse you Contact us to evaluate your home to solve any water related issues, foundation failures, mold contamination, masonry and historical restorations. We can then provide a FREE estimate to correct those issues! Deal directly with the 4th Generation owner.

"Great guys, great outcome,"

Sharon B on September 2020

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FAQs for concrete foundation repair projects in Valley Forge, PA

Visible cracks, water leaks, uneven floors, or walls that won’t line up are classic red flags. You might also notice sticking windows, doors that no longer latch, or exterior cracks crawling up brick or siding. Even a damp, musty basement can hint at trouble. If you spot any of these, call a foundation pro right away. Early inspections cost far less than waiting until the damage threatens your home’s stability.

Yes, foundation problems impact your home’s value. Buyers want proof that the foundation is stable, and a recent, professional repair can actually boost confidence in your home. You’ll need to disclose the work, but documentation showing the structure was properly stabilized, especially with piers in regions known for shifting soil, often reads as a plus, not a problem. Skipping repairs, on the other hand, can cut your sale price and shrink the pool of interested buyers. Taking care of the issue protects both value and peace of mind.

Foundations are engineered for exceptional longevity when constructed correctly and maintained diligently. Concrete slab foundations remain structurally sound for 200 years, while other foundation types deliver integrity between 75 and 100 years. Regular professional inspections and timely maintenance further secure a foundation’s lifespan and ensure your home stays safe over the long term.

The Valley Forge, PA homeowners’ guide to concrete foundation repairs

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

See all articles