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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon108
    Verified basement leak repair services reviews

Find Basement leak repair pros in Cornwall

Avatar for Groundworks

Groundworks

3819 N Susquehanna Trl
4.39(
57
)
Approved Pro

Groundworks

3819 N Susquehanna Trl
4.39(
57
)
Approved Pro
Customers say: Super punctual
32 local quotes requested
50 years of experience

Groundworks, formerly Baker's Waterproofing, has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs since 2009. Our top priority is providing high-quality home repair solutions and personalized service across central Pennsylvania. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or concrete. PA158514 (PA)

"The job went extremely well. Aaron Lenker and Corbin Gillichbauer performed the service and were professional and polite. I’m completely satisfied. Well done."

Paul S on July 2025

Groundworks, formerly Baker's Waterproofing, has specialized in helping homeowners with their foundation repair, waterproofing, and concrete needs since 2009. Our top priority is providing high-quality home repair solutions and personalized service across central Pennsylvania. With fully trained technicians, industry-leading products, and nationally backed warranties, Groundworks is here to restore your basement, foundation, or concrete. PA158514 (PA)

"The job went extremely well. Aaron Lenker and Corbin Gillichbauer performed the service and were professional and polite. I’m completely satisfied. Well done."

Paul S on July 2025


Avatar for The Finishing Touch by Bratch

The Finishing Touch by Bratch

3560 RIVER ROAD
5.00(
10
)
Approved Pro

The Finishing Touch by Bratch

3560 RIVER ROAD
5.00(
10
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
1 years of experience

Construction is in my blood. Growing up around my family’s construction business since the age of 9, I’ve developed a deep understanding and hands-on experience in nearly every aspect of construction and remodeling. I also hold a college degree with a triple concentration in art, which gives me a unique eye for design and aesthetics. This blend of technical know-how and creative insight allows me to bring your vision to life - whether it’s a dream remodel or a design tailored to your personal style. Contact us at 717-663-9926 to discuss your renovation dreams and let us turn them into reality!

"Fantastic communication; quality workmanship; listens to customer input; reliable"

AMY S on June 2025

Construction is in my blood. Growing up around my family’s construction business since the age of 9, I’ve developed a deep understanding and hands-on experience in nearly every aspect of construction and remodeling. I also hold a college degree with a triple concentration in art, which gives me a unique eye for design and aesthetics. This blend of technical know-how and creative insight allows me to bring your vision to life - whether it’s a dream remodel or a design tailored to your personal style. Contact us at 717-663-9926 to discuss your renovation dreams and let us turn them into reality!

"Fantastic communication; quality workmanship; listens to customer input; reliable"

AMY S on June 2025


Avatar for BiiLT Contracting Group LLC

BiiLT Contracting Group LLC

4309 Linglestown Road
5.00(
7
)
Approved Pro

BiiLT Contracting Group LLC

4309 Linglestown Road
5.00(
7
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
84 local quotes requested

BiiLT Contracting Group in Harrisburg, PA, is a veteran-owned company committed to delivering superlative, delightful experiences to both our customers and employees. We are a seasoned team of experts with a combined 25+ years of home health care and interior construction experience. We are a caring, compassionate, and customer-focused company and we happen to be really good at construction. Our goal is to make your home your dream home whether you are looking to remodel, upgrade your home via energy efficiency or smart home technology, or are a senior aging in place.

"We chose Biilt because of their ratings and the fact that the company is veteran-led. In our first encounter, they listened well to our plans, were very pleasant and submitted a comprehensive bid. They were on-time, on budget and worked well with our plumbing supplier and our cabinet, counter and tile suppliers. Workers were courteous, clean and good at solving challenges in our 150-year-old home. We were happy with their support of our militaryveterans and have recommended them to friends. They even followed up a few months later to check on our satisfaction with their work."

GLENN M on February 2024

BiiLT Contracting Group in Harrisburg, PA, is a veteran-owned company committed to delivering superlative, delightful experiences to both our customers and employees. We are a seasoned team of experts with a combined 25+ years of home health care and interior construction experience. We are a caring, compassionate, and customer-focused company and we happen to be really good at construction. Our goal is to make your home your dream home whether you are looking to remodel, upgrade your home via energy efficiency or smart home technology, or are a senior aging in place.

"We chose Biilt because of their ratings and the fact that the company is veteran-led. In our first encounter, they listened well to our plans, were very pleasant and submitted a comprehensive bid. They were on-time, on budget and worked well with our plumbing supplier and our cabinet, counter and tile suppliers. Workers were courteous, clean and good at solving challenges in our 150-year-old home. We were happy with their support of our militaryveterans and have recommended them to friends. They even followed up a few months later to check on our satisfaction with their work."

GLENN M on February 2024


Avatar for Basement Gurus, LLC

Basement Gurus, LLC

431 Rhawn Street
4.84(
150
)
Approved Pro

Basement Gurus, LLC

431 Rhawn Street
4.84(
150
)
Approved Pro
Super Service Award
Customers say: Quality work
981 local quotes requested
15 years of experience

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!

"Steven was very nice and easy to do business with very honest and gave me all kinds of options. Hard to find people like that nowadays just overall great quality people"

Derek K on October 2025

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!

"Steven was very nice and easy to do business with very honest and gave me all kinds of options. Hard to find people like that nowadays just overall great quality people"

Derek K on October 2025


"Excellent work. High quality, punctual and polite workmen, 100% satisfied, and would recommend without hesitation. Best of all, they were economical. Great job"

William W on August 2021

Crack in your wall we're the guys to call! Free Estimates and lifetime warranty! We are a local family owned company and pride ourselves on using American based products. Call now and receive a $500.00 discount on any basement waterproofing system.

"Excellent work. High quality, punctual and polite workmen, 100% satisfied, and would recommend without hesitation. Best of all, they were economical. Great job"

William W on August 2021


Avatar for Somrok, Inc. DBA Stephen Black Builders, Inc.

Somrok, Inc. DBA Stephen Black Builders, Inc.

306 West Brubaker Valley Road
5.00(
8
)
Approved Pro

Somrok, Inc. DBA Stephen Black Builders, Inc.

306 West Brubaker Valley Road
5.00(
8
)
Approved Pro
Customers say: Quick response
19 local quotes requested
46 years of experience

Somrok Inc.Stephen Black Builders.. Has been building custom homes and additions for over 35 years. Our commitment to the highest standards of quality and craftsmanship, alongside personal attention to clients' projects, creates an opportunity to not only build beautiful homes and additions, but also lasting relationships. Give us a call today for an estimate! We look forward to working with you.

"We had Eric add an addition to our garage and extend the roof over the front porch. We also had the front porch replaced and had new shingles on the whole house. It was a fairly simple job complicated by lots of rain. We were kept informed of any delays and when contractors would be working. The job came out looking great. The best compliment you can say about an addition is that it looks like it was always that way and it certainly does in this case. I highly recommend Somrok Inc."

Michael B on October 2025

Somrok Inc.Stephen Black Builders.. Has been building custom homes and additions for over 35 years. Our commitment to the highest standards of quality and craftsmanship, alongside personal attention to clients' projects, creates an opportunity to not only build beautiful homes and additions, but also lasting relationships. Give us a call today for an estimate! We look forward to working with you.

"We had Eric add an addition to our garage and extend the roof over the front porch. We also had the front porch replaced and had new shingles on the whole house. It was a fairly simple job complicated by lots of rain. We were kept informed of any delays and when contractors would be working. The job came out looking great. The best compliment you can say about an addition is that it looks like it was always that way and it certainly does in this case. I highly recommend Somrok Inc."

Michael B on October 2025


Avatar for Choice Home Remodeling Inc.

Choice Home Remodeling Inc.

550 E Main St
4.94(
109
)
Approved Pro

Choice Home Remodeling Inc.

550 E Main St
4.94(
109
)
Approved Pro
Customers say: Super punctual
Recommended by 99% of Angi customers
Recommended by 99% of HomeAdvisor customers
179 local quotes requested

Choice Home Remodeling, Inc. is your complete remodeling company! We are a customer service-focused company with an unwavering commitment to quality workmanship. For over two decades, homeowners in Lancaster, Berks, Chester, and surrounding counties have chosen us for their home improvement projects. In fact, we have been voted #1 for the Lancaster Newspaper Reader’s Choice Award for “Favorite Window Installer” several years in row. What began as a window and door installation business back in 1995 with just two trucks and two employees has grown into a full-service home improvement company with the addition of a cabinetry division that offers kitchen and bath design, and whole home remodeling services. Additional DBA - Choice Cabinetry.

"They got there quickly and fixed everything. Storm door was closing and latching again. The siding was a last minute ask and he went up and secured it back in place."

Sean M on May 2025

Choice Home Remodeling, Inc. is your complete remodeling company! We are a customer service-focused company with an unwavering commitment to quality workmanship. For over two decades, homeowners in Lancaster, Berks, Chester, and surrounding counties have chosen us for their home improvement projects. In fact, we have been voted #1 for the Lancaster Newspaper Reader’s Choice Award for “Favorite Window Installer” several years in row. What began as a window and door installation business back in 1995 with just two trucks and two employees has grown into a full-service home improvement company with the addition of a cabinetry division that offers kitchen and bath design, and whole home remodeling services. Additional DBA - Choice Cabinetry.

"They got there quickly and fixed everything. Storm door was closing and latching again. The siding was a last minute ask and he went up and secured it back in place."

Sean M on May 2025


Avatar for Basement Finishing by Hartel Constr. Grp., Inc.

Basement Finishing by Hartel Constr. Grp., Inc.

601 Walnut Aly
4.95(
112
)
Approved Pro

Basement Finishing by Hartel Constr. Grp., Inc.

601 Walnut Aly
4.95(
112
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
20 years of experience

Hartel Construction Group Inc. is a locally owned and operated company that has an educated and licensed team. Each of us strive for perfection, take pride in each job, and truly enjoy what we do. Our company does not use sales tactics or pushy sales people to acquire jobs. We listen to what you would like to have completed and then offer insight and suggestion that will make your renovation/remodel project the most enjoyable finished product. We fully explain the steps to be taken in need to complete your project. Thank you for considering our company and using Angieslist for your remodeling/construction needs, we hope to help you get your basement project completed. Thank You, Martin Hartel

"I can’t say nice enough things about the process of working with Martin. We decided to finish our basement, including a full bathroom, while I was pregnant and wanted the job wrapped up before the baby came, which gave a very hard deadline. Not only was Martin able to work with us contacting him two months out on this project, he was so responsive during the process, gave us great ideas, and kept us well-informed on everything that was happening with the project. From start to finish, we always felt that Martin was knowledgeable about what he was doing and didn’t seem bothered when we had last minute changes. The entire team was so clean, which gave me comfort given that I was pregnant at the time, and they were able to complete everything before the baby came. If I had more basements, I would definitely call Martin!"

Jes M on June 2025

Hartel Construction Group Inc. is a locally owned and operated company that has an educated and licensed team. Each of us strive for perfection, take pride in each job, and truly enjoy what we do. Our company does not use sales tactics or pushy sales people to acquire jobs. We listen to what you would like to have completed and then offer insight and suggestion that will make your renovation/remodel project the most enjoyable finished product. We fully explain the steps to be taken in need to complete your project. Thank you for considering our company and using Angieslist for your remodeling/construction needs, we hope to help you get your basement project completed. Thank You, Martin Hartel

"I can’t say nice enough things about the process of working with Martin. We decided to finish our basement, including a full bathroom, while I was pregnant and wanted the job wrapped up before the baby came, which gave a very hard deadline. Not only was Martin able to work with us contacting him two months out on this project, he was so responsive during the process, gave us great ideas, and kept us well-informed on everything that was happening with the project. From start to finish, we always felt that Martin was knowledgeable about what he was doing and didn’t seem bothered when we had last minute changes. The entire team was so clean, which gave me comfort given that I was pregnant at the time, and they were able to complete everything before the baby came. If I had more basements, I would definitely call Martin!"

Jes M on June 2025


Avatar for Philip Home Improvements LLC

Philip Home Improvements LLC

771 West Main Street
5.00(
10
)
Approved Pro

Philip Home Improvements LLC

771 West Main Street
5.00(
10
)
Approved Pro
Customers say: Quick response
108 local quotes requested
2 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"I would give Phil a 20 star rating. He gave me a brand new kitchen. Put flooring in my living room. Excellent work. I have some more that needs to be done and Phil's the one. He suggests things. Makes it look really nice. "

Audrey F on July 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"I would give Phil a 20 star rating. He gave me a brand new kitchen. Put flooring in my living room. Excellent work. I have some more that needs to be done and Phil's the one. He suggests things. Makes it look really nice. "

Audrey F on July 2025


Avatar for Kees Construction & Remodeling

Kees Construction & Remodeling

630 N Railroad St
4.93(
22
)
Approved Pro

Kees Construction & Remodeling

630 N Railroad St
4.93(
22
)
Approved Pro
Customers say: Quick response
4 years of experience
Free onsite estimate

Kees Construction & Remodeling is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Employees were experienced and Professional. Maintained a very clean work area. "

Tom D on July 2025

Kees Construction & Remodeling is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"Employees were experienced and Professional. Maintained a very clean work area. "

Tom D on July 2025

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Basement Leak Repair questions, answered by experts

There are several reasons why you may find water dripping through your ceiling. This leak could be the result of a plumbing issue or a damaged roof. It’s important to determine the source of the leak before it causes damage to your home and belongings. Taking steps to catch the water immediately will help with additional issues.

In some cases, operating a snake can damage your drain and pipes. This depends on the overall condition of your pipes and how gently you operate the auger. For instance, older galvanized pipes covered in zinc are susceptible to scratches when using a drain snake. Additionally, it’s common for newbies to apply too much force when extending the snake, leading to scratches and related damage. You can also crack the porcelain with an electric auger if you’re snaking a toilet drain. If you’re using a manual snake or auger, the risk is minimal.

Several factors can impact the cost of waterproofing your basement. Some of the most common cost factors include:

  • Location

  • Square footage

  • Cause of the water leak

  • Type of foundation

  • Accessibility

  • Waterproofing method

  • Materials

  • Contractor experience and availability

  • Engineering reports, if needed

  • Structural and other repairs

  • Permits

The easiest methods for waterproofing your basement include installing a gutter system to direct excess runoff away from your foundation and grading the soil away from your home to pull water away from the concrete. In some cases, these methods alone can be enough to eliminate water intrusion and moisture problems in your basement. If you have excessive rainfall in your area, though, you might need to employ more complicated solutions, like installing a French drain and a dehumidification system inside.

To determine if your basement walls are suitable for finishing, assess their structural integrity and moisture conditions. Look for any signs of damage, such as cracks, bowing, or excessive moisture. Ensure proper drainage and address any underlying issues before proceeding. 

Consult with a professional if you're uncertain about the structural stability or potential risks associated with finishing your basement walls.

The Cornwall, PA homeowners’ guide to basement leak repair services

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

What do you need done? We’ll find top pros.
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  • 🛠 "Fix a leaking pipe under the sink"
  • 🏠 "Repair shingles on an asphalt roof"