Top-rated basement leak repair pros.

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Basement leak repair pros in Charlestown

Avatar for Long Home Products
Long Home Products
8530 Corridor Rd
3.52(
377
)
Approved Pro
Long Home Products
8530 Corridor Rd
3.52(
377
)
Approved Pro
Customers say: Quality work
256 local quotes requested
80 years of experience

With over 70 years of experience in home improvement, Long Home Products is the industry-leading company you can trust to give you peace of mind. We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We are experts in all aspects of roofing, bathroom, window and door projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"STAY AWAY!!!! This Company cancelled the initial estimate on me 3 times making me drive 90 minutes to the property each time. They finally showed and gave me the typical hard sell "if you sign the contract today..." They gave us a quote so far over market value we should have walked away. But we agreed because of the "70 year history in the industry" We thought we were buying a service from a company with integrity. They took an immediate $18K deposit on a $55K project. I know, shame on me for agreeing to such an amount. We knew we were over spending, but... One month later, they simply cancelled the contract without explanation and without any work on the project. This contract was binding on us but, in their words, was not binding on them because "there's a clause in the fine print that allows them to cancel" THEY STILL HAVE OUR MONEY and I STILL NEED A ROOF Stay away from this company. No integrity No responsibility Unreliable Over priced Will take your money and keep it"

Michael H on August 2024

With over 70 years of experience in home improvement, Long Home Products is the industry-leading company you can trust to give you peace of mind. We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We are experts in all aspects of roofing, bathroom, window and door projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"STAY AWAY!!!! This Company cancelled the initial estimate on me 3 times making me drive 90 minutes to the property each time. They finally showed and gave me the typical hard sell "if you sign the contract today..." They gave us a quote so far over market value we should have walked away. But we agreed because of the "70 year history in the industry" We thought we were buying a service from a company with integrity. They took an immediate $18K deposit on a $55K project. I know, shame on me for agreeing to such an amount. We knew we were over spending, but... One month later, they simply cancelled the contract without explanation and without any work on the project. This contract was binding on us but, in their words, was not binding on them because "there's a clause in the fine print that allows them to cancel" THEY STILL HAVE OUR MONEY and I STILL NEED A ROOF Stay away from this company. No integrity No responsibility Unreliable Over priced Will take your money and keep it"

Michael H on August 2024


Avatar for Quality 1st Basement Systems, Inc
Quality 1st Basement Systems, Inc
2092 E Old Philadelphia Rd
4.62(
201
)
Approved Pro
Quality 1st Basement Systems, Inc
2092 E Old Philadelphia Rd
4.62(
201
)
Approved Pro
Customers say: Quality work
96 local quotes requested
27 years of experience

Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, 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 q1estimates@q1team.com

"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."

john m on January 2024

Quality 1st Basement Systems is your local, family-owned contractor for Basement Waterproofing, Sump Pumps, Basement Finishing, Foundation Repair, Crack Repair, 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 q1estimates@q1team.com

"Service was great from sales, to installation, to post installation support. Very responsive, very professional. It's hard to find in this 'space'--there are a lot of shady people in basement water damage/repair, and this place exceeded expectations. We've had our repair in place for 4+ years, with only 1 small issue on a wall seam crack, and that was fixed within 24 hours of reporting the issue. Stand up place! Thank you for such great service and support."

john m on January 2024


Avatar for Basement Waterproofing Nationwide Inc
Basement Waterproofing Nationwide Inc
109 E Wheel Rd
4.64(
168
)
Approved Pro
Basement Waterproofing Nationwide Inc
109 E Wheel Rd
4.64(
168
)
Approved Pro
Customers say: Super punctual
23 local quotes requested
38 years of experience

Founded in 1987, Steve Taylor was passionate about providing homeowners with an honest approach to basement waterproofing and delivering exceptional customer service for every job. BWN swiftly built a reputable, trusted brand spanning across Maryland and Delaware. Today, as we look back over 35 years of business, our employee dedication and steadfast customer loyalty continue to fuel BWN’s success. This is best demonstrated by BWN’s abundant referral business and 55,000+ customers.

"Quick, efficient, super communication, great cleanup. Highly recommend."

Ellen H on October 2022

Founded in 1987, Steve Taylor was passionate about providing homeowners with an honest approach to basement waterproofing and delivering exceptional customer service for every job. BWN swiftly built a reputable, trusted brand spanning across Maryland and Delaware. Today, as we look back over 35 years of business, our employee dedication and steadfast customer loyalty continue to fuel BWN’s success. This is best demonstrated by BWN’s abundant referral business and 55,000+ customers.

"Quick, efficient, super communication, great cleanup. Highly recommend."

Ellen H on October 2022


Avatar for JD Michael Construction Inc
JD Michael Construction Inc
205 Glenwood Rd
4.91(
57
)
Approved Pro
JD Michael Construction Inc
205 Glenwood Rd
4.91(
57
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
18 local quotes requested

Since 1989, JD Michael Construction has provided professional contracting experience, and is committed to exceeding your expectations. We provide full-service Remodeling and Contracting Services, specializing in Kitchen Renovations. We will work with you directly to understand your vision and priorities, and provide you with a hassle-free experience that will increase the value and enjoyment of your home. We provide only the highest quality craftsmanship and materials at honest prices. With customizable services to match your unique style and needs, we are your one-stop-shop for any renovation project you have in mind. We also specialize in Bathroom and Basement Renovations, as well as most Home Improvement projects such as Carpentry, Flooring, Concrete, Driveways, Porches, Painting, and more! Give us a call today for a phone consultation, and to schedule your estimate. We look forward to speaking with you about your ideas and providing the solutions you need!

"Outstanding workmanship and professionalism! Joe and his crew were meticulous in the work they did and in keeping the area neat and organized. I was always kept up to date on progress and always informed on what to expect with scheduled deliveries. Joe and his crew were always on time and the attention to detail was just excellent. Highly recommend!!!"

Mary B on March 2025

Since 1989, JD Michael Construction has provided professional contracting experience, and is committed to exceeding your expectations. We provide full-service Remodeling and Contracting Services, specializing in Kitchen Renovations. We will work with you directly to understand your vision and priorities, and provide you with a hassle-free experience that will increase the value and enjoyment of your home. We provide only the highest quality craftsmanship and materials at honest prices. With customizable services to match your unique style and needs, we are your one-stop-shop for any renovation project you have in mind. We also specialize in Bathroom and Basement Renovations, as well as most Home Improvement projects such as Carpentry, Flooring, Concrete, Driveways, Porches, Painting, and more! Give us a call today for a phone consultation, and to schedule your estimate. We look forward to speaking with you about your ideas and providing the solutions you need!

"Outstanding workmanship and professionalism! Joe and his crew were meticulous in the work they did and in keeping the area neat and organized. I was always kept up to date on progress and always informed on what to expect with scheduled deliveries. Joe and his crew were always on time and the attention to detail was just excellent. Highly recommend!!!"

Mary B on March 2025


Avatar for All Angles
All Angles
5.00(
2
)
Approved Pro
All Angles
5.00(
2
)
Approved Pro
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 local quotes requested

At All Angles Home Remodeling, we specialize in bringing your home improvement dreams to life with precision and expertise. With over 27 years of experience in the industry, we have built a reputation for providing high-quality, reliable, and affordable services to homeowners in the Middletown, DE community. Whether you're looking to remodel your kitchen, transform your bathroom, or finish your basement, our skilled team is committed to delivering exceptional results that exceed your expectations. We take pride in offering a wide range of remodeling services tailored to meet your unique needs. From window and door installations to intricate design work, our passion for home renovation shines through in every project.

"Omar from All Angles provided Master Carpenter skills. Omar went above and beyond our expectations. Omar removed a wall to provide a wide open concept to our home. Cabinets, flooring, tile work,painting, plumbing,electrical,fixtures, even misc. add on's. I would highly recommend anyone who is serious to hire a contractor, get a quote from Omar. His work is outstanding."

David Lardani 5 on January 2025

At All Angles Home Remodeling, we specialize in bringing your home improvement dreams to life with precision and expertise. With over 27 years of experience in the industry, we have built a reputation for providing high-quality, reliable, and affordable services to homeowners in the Middletown, DE community. Whether you're looking to remodel your kitchen, transform your bathroom, or finish your basement, our skilled team is committed to delivering exceptional results that exceed your expectations. We take pride in offering a wide range of remodeling services tailored to meet your unique needs. From window and door installations to intricate design work, our passion for home renovation shines through in every project.

"Omar from All Angles provided Master Carpenter skills. Omar went above and beyond our expectations. Omar removed a wall to provide a wide open concept to our home. Cabinets, flooring, tile work,painting, plumbing,electrical,fixtures, even misc. add on's. I would highly recommend anyone who is serious to hire a contractor, get a quote from Omar. His work is outstanding."

David Lardani 5 on January 2025


Avatar for Santana Construction Services, LLC
Santana Construction Services, LLC
3900 Jiggsy Ct.
5.00(
1
)
Approved Pro
Santana Construction Services, LLC
3900 Jiggsy Ct.
5.00(
1
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
48 local quotes requested

At Santana Construction Services LLC, we have over 10 years experience and we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I had such a great team working on my home. Every project was completed exactly how I requested and done timely. The most important factor for me was how they cleaned up after themselves after every job. Also, the constant communication. The work is definitely quality. I did everything in phases just to get a feel of their work. I had electrical and painting done in my office and mudroom. I later decided to hire them to complete some electrical, painting, gym, and storage built out in my basement. I am saving up for the full bathroom I want done in my basement. Will definitely hire them again."

Tania B on January 2025

At Santana Construction Services LLC, we have over 10 years experience and we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

"I had such a great team working on my home. Every project was completed exactly how I requested and done timely. The most important factor for me was how they cleaned up after themselves after every job. Also, the constant communication. The work is definitely quality. I did everything in phases just to get a feel of their work. I had electrical and painting done in my office and mudroom. I later decided to hire them to complete some electrical, painting, gym, and storage built out in my basement. I am saving up for the full bathroom I want done in my basement. Will definitely hire them again."

Tania B on January 2025


Avatar for New Line Remodeling LLC
New Line Remodeling LLC
203 4th Ave
5.00(
12
)
Approved Pro
New Line Remodeling LLC
203 4th Ave
5.00(
12
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
17 local quotes requested

We are not just a remodeling or home improvement company. we focus on keeping our clients satisfied and happy. quality is our priority.

"Carlos and his crew do great work. They are clean and efficient. I have used them a few times and would use them again."

Vikki D on July 2023

We are not just a remodeling or home improvement company. we focus on keeping our clients satisfied and happy. quality is our priority.

"Carlos and his crew do great work. They are clean and efficient. I have used them a few times and would use them again."

Vikki D on July 2023


Avatar for MARVEL HOMES LLC
MARVEL HOMES LLC
9221 Laurel Oak Dr
4.90(
42
)
Approved Pro
MARVEL HOMES LLC
9221 Laurel Oak Dr
4.90(
42
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
15 local quotes requested

Marvel Homes, LLC, is built on a Foundation of Integrity and Ingenuity. We are dedicated solely to quality home construction, home renovation, and customer satisfaction. Marvel Homes translates your vision and goals for your home into beautiful, comfortable, and well-constructed spaces. We build your dream.

"Fantastic! Devin and his team remodeled three of the four bedrooms in my townhouse in Clarendon: the first about four years ago and the other two bathrooms two years ago. He also built me a new closet in the master bedroom. The entire experience was amazing. The work is top quality - years later it still looks perfect and I have not had any problems - and his team is polite, professional, timely and they left my home spotless when they left. And since the work has been completed, Devin has helped me with little issues for free whenever I needed help. He is truly a talented professional and a stellar person. Can’t recommend highly enough!"

Kathleen G on September 2019

Marvel Homes, LLC, is built on a Foundation of Integrity and Ingenuity. We are dedicated solely to quality home construction, home renovation, and customer satisfaction. Marvel Homes translates your vision and goals for your home into beautiful, comfortable, and well-constructed spaces. We build your dream.

"Fantastic! Devin and his team remodeled three of the four bedrooms in my townhouse in Clarendon: the first about four years ago and the other two bathrooms two years ago. He also built me a new closet in the master bedroom. The entire experience was amazing. The work is top quality - years later it still looks perfect and I have not had any problems - and his team is polite, professional, timely and they left my home spotless when they left. And since the work has been completed, Devin has helped me with little issues for free whenever I needed help. He is truly a talented professional and a stellar person. Can’t recommend highly enough!"

Kathleen G on September 2019


Avatar for JES Foundation Repair
JES Foundation Repair
8361 Town Center Court
3.53(
15
)
Approved Pro
JES Foundation Repair
8361 Town Center Court
3.53(
15
)
Approved Pro
Customers say: True professional
64 local quotes requested
32 years of experience

Foundation Repair, Crawl Space Repair, Basement Waterproofing, Crawl Space Encapsulation, Sump Pump, IntelliJack Crawl Space Support, Helical Piers, BasementGutter Drain, Crawl Space Mold, Crawl Space Humidity, Musty Smell in Basement, Cracked Concrete, Uneven or Bouncy Floors

"First class in every way. Our special thanks to Foreman Rob, Dante M, Corey G, Brandon C., and Justin. They were very courteous and professional in every way. All projects were nicely done, completed as planned, and clean up was complete. Rob, Dante, Corey, Brandon, and Justin are outstanding representatives of JES and do great work!"

james h on April 2025

Foundation Repair, Crawl Space Repair, Basement Waterproofing, Crawl Space Encapsulation, Sump Pump, IntelliJack Crawl Space Support, Helical Piers, BasementGutter Drain, Crawl Space Mold, Crawl Space Humidity, Musty Smell in Basement, Cracked Concrete, Uneven or Bouncy Floors

"First class in every way. Our special thanks to Foreman Rob, Dante M, Corey G, Brandon C., and Justin. They were very courteous and professional in every way. All projects were nicely done, completed as planned, and clean up was complete. Rob, Dante, Corey, Brandon, and Justin are outstanding representatives of JES and do great work!"

james h on April 2025


Avatar for GLR Home Improvement
GLR Home Improvement
3153 Chancellor Point
4.93(
15
)
Approved Pro
GLR Home Improvement
3153 Chancellor Point
4.93(
15
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
63 local quotes requested

We have over 30 years experience! Our company is based on the belief that our customers' needs are of the utmost importance. Our entire team is committed to meeting those needs. As a result, a high percentage of our business is from repeat customers and referrals. We would welcome the opportunity to earn your trust and deliver you the best service in the industry.

"I love the new pvc decking, drink rail and railing. Could not be happier. Great work."

Mary A on April 2025

We have over 30 years experience! Our company is based on the belief that our customers' needs are of the utmost importance. Our entire team is committed to meeting those needs. As a result, a high percentage of our business is from repeat customers and referrals. We would welcome the opportunity to earn your trust and deliver you the best service in the industry.

"I love the new pvc decking, drink rail and railing. Could not be happier. Great work."

Mary A on April 2025

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Basement leak repair services FAQs

The cost to finish a basement is $18,400 for the average homeowner. However, this cost could be as little as $2,800 or as much as $34,500, depending on the basement size and the materials needed. If your basement is already outfitted with electrical and plumbing, expect the cost to fall on the lower end. 

For example, the drywall cost for this project averages around $1,750, but other features, like hiring a plumber, cost between $45 and $200 per hour.

The cost to remodel a basement is between $12,100 and $33,400 for the average homeowner. The price you pay can be as little as $3,500 or as much as $50,200, depending on the size and condition of your basement and the type of remodel you're doing. 

If you're doing a simple project like adding a home office to your basement, you can expect to pay anywhere from $500 to $3,000. However, if you're adding a bathroom, which is an extensive project, you can expect to pay between $6,600 to $16,500.

Damp proofing and waterproofing are both methods to help keep your basement dry. Damp proofing keeps soil moisture from entering your basement, which is helpful since your basement is underground. Waterproofing, however, keeps both soil moisture and liquid water out of the basement, which is essential, especially if you live in a wet environment. Because it’s more protective, waterproofing typically costs more than damp proofing.

Although homeowners often use the terms basement remodeling and basement finishing interchangeably, they are quite different terms. 

Finishing a basement is the process of taking a basement space that is not habitable and adding elements to make it usable. This includes adding plumbing, flooring, and insulation.

Remodeling a basement means taking an already existing finished basement and changing it, often by adding or removing walls, adding plumbing, or changing the existing flooring.

The cost of basement waterproofing is $4,950 for the average homeowner. However, you could end up paying between $600 and $14,000, depending on factors like basement size, waterproofing method, and the region you live in. 

If you live in an area with heavy rainfall, you might be paying more for waterproofing than if you lived somewhere drier since waterproofing contractors would be in high demand. Likewise, a 500-foot basement costs between $2,500 and $5,000 to waterproof, but that price rises significantly for a larger basement.

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