Top-rated basement waterproofing pros.

Get matched with top basement waterproofing pros in Frederick, MD

There are 12 highly-rated local basement waterproofing pros.

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    Average homeowner rating
  • Verified reviews icon185
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Frederick

Avatar for Brother's Waterproofing, LLC

Brother's Waterproofing, LLC

4.94(
36
)
Approved Pro

Brother's Waterproofing, LLC

4.94(
36
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
8 years of experience

Brother's Waterproofing, LLC, is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have the experience to provide innovative ideas and suggestions tailored to your projects. With over 60 years of combined Experience, our Sub Floor Water management system is customized to your foundation needs, paying close attention to the details of each project that we are involved with and always using the most technological system on the market. Please feel free to contact us today!

"Great customer service from beginning to end. The work was started and completed on time. The attention to detail is immaculate. I plan to hire for future projects."

Kia G on May 2024

Brother's Waterproofing, LLC, is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have the experience to provide innovative ideas and suggestions tailored to your projects. With over 60 years of combined Experience, our Sub Floor Water management system is customized to your foundation needs, paying close attention to the details of each project that we are involved with and always using the most technological system on the market. Please feel free to contact us today!

"Great customer service from beginning to end. The work was started and completed on time. The attention to detail is immaculate. I plan to hire for future projects."

Kia G on May 2024


Avatar for Once & Done Waterproofing Solutions, LLC

Once & Done Waterproofing Solutions, LLC

4.92(
53
)
Approved Pro

Once & Done Waterproofing Solutions, LLC

4.92(
53
)
Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 local quotes requested

At Once & Done Waterproofing Solutions, LLC, 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! With our new location in Martinsburg, WV we service Berkeley, Jefferson, and Morgan counties and our new location in Mercersburg, PA, we are happy to serve Franklin, Fulton, Adams, and Cumberland counties.

"Once & Done did a great job!"

Hugh L on August 2024

At Once & Done Waterproofing Solutions, LLC, 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! With our new location in Martinsburg, WV we service Berkeley, Jefferson, and Morgan counties and our new location in Mercersburg, PA, we are happy to serve Franklin, Fulton, Adams, and Cumberland counties.

"Once & Done did a great job!"

Hugh L on August 2024


"They were professional."

Wendy A on November 2025

Always Waterproofing has 35 years of experience in the industry. We are locally owned and operated. If you want the job right the first time, call James today!

"They were professional."

Wendy A on November 2025


Avatar for S&S Waterproofing And Foundation Repair

S&S Waterproofing And Foundation Repair

5.00(
37
)
Approved Pro

S&S Waterproofing And Foundation Repair

5.00(
37
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
22 local quotes requested

At S&S Waterproofing we have over 25+ years of combined experience in Waterproofing and foundation repair. We never use sub-contractors and aren't a franchise owned company that uses high pressure sales tactics. We are a certified foundation repair specialist and install hydraulic push piers and helical piers. We offer a lifetime transferable warranty and free inspections.

"Steve was great to work with - knowledgeable, flexible with scheduling, and always available to answer questions. His crew was courteous and efficient. We are very happy with the results. Highly recommend!"

Nadine T on January 2024

At S&S Waterproofing we have over 25+ years of combined experience in Waterproofing and foundation repair. We never use sub-contractors and aren't a franchise owned company that uses high pressure sales tactics. We are a certified foundation repair specialist and install hydraulic push piers and helical piers. We offer a lifetime transferable warranty and free inspections.

"Steve was great to work with - knowledgeable, flexible with scheduling, and always available to answer questions. His crew was courteous and efficient. We are very happy with the results. Highly recommend!"

Nadine T on January 2024


Avatar for Basement Gurus, LLC

Basement Gurus, LLC

4.84(
151
)
Approved Pro

Basement Gurus, LLC

4.84(
151
)
Approved Pro
Customers say: Quality work
895 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!

"I was getting water in my basement every time it rained, Dan helped me rule out other causes and recommended a french drain. Basement has been bone dry ever since. The workers took great care and even repaired the water damage from before. I highly recommend calling Basement Gurus for any basement related needs"

Andrew R on December 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!

"I was getting water in my basement every time it rained, Dan helped me rule out other causes and recommended a french drain. Basement has been bone dry ever since. The workers took great care and even repaired the water damage from before. I highly recommend calling Basement Gurus for any basement related needs"

Andrew R on December 2025


Avatar for Basement Waterproofing Nationwide Inc

Basement Waterproofing Nationwide Inc

4.81(
141
)
Approved Pro

Basement Waterproofing Nationwide Inc

4.81(
141
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
79 local quotes requested

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 NV Waterproofing & Foundation Repair

NV Waterproofing & Foundation Repair

4.79(
112
)
Approved Pro

NV Waterproofing & Foundation Repair

4.79(
112
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
122 local quotes requested

Established in 1986, NV Waterproofing provides below grade solutions for moisture control and prevention to customers in the greater Washington, D.C. area. Please call our office today to schedule your appointment at 703 690-3889. We employ only highly trained and certified applicators of the industry's most effective and environmentally sound waterproofing and drainage products. One Stop Shopping for Waterproofing, Moisture Control, and Drainage Systems. Over the past few years alone, our customer base has included hundreds of homeowners, general contractors, production home builders, and custom home builders. This base has been developed primarily through word of mouth. Our technicians deliver excellent customer service and results, and our company stands behind this work. NV Waterproofing is a member of both the Supportworks and Contractor Nation networks. Both are international groups of more than 130 foundation repair and waterproofing contractors that shares information, best practices and advice, helping each other be better together than they would be alone. Our goal has always been to create very satisfied customers. Service area covered: District of Columbia Virginia Counties - Fairfax, Loudoun, Prince William, Fauquier, Arlington and Alexandria. Maryland Counties - Montgomery, Frederick, Prince George and St. Mary's.

"Mark and his crew were terrific. Professional all the way. Pleasure working with them. Will use them again."

Jack P on October 2025

Established in 1986, NV Waterproofing provides below grade solutions for moisture control and prevention to customers in the greater Washington, D.C. area. Please call our office today to schedule your appointment at 703 690-3889. We employ only highly trained and certified applicators of the industry's most effective and environmentally sound waterproofing and drainage products. One Stop Shopping for Waterproofing, Moisture Control, and Drainage Systems. Over the past few years alone, our customer base has included hundreds of homeowners, general contractors, production home builders, and custom home builders. This base has been developed primarily through word of mouth. Our technicians deliver excellent customer service and results, and our company stands behind this work. NV Waterproofing is a member of both the Supportworks and Contractor Nation networks. Both are international groups of more than 130 foundation repair and waterproofing contractors that shares information, best practices and advice, helping each other be better together than they would be alone. Our goal has always been to create very satisfied customers. Service area covered: District of Columbia Virginia Counties - Fairfax, Loudoun, Prince William, Fauquier, Arlington and Alexandria. Maryland Counties - Montgomery, Frederick, Prince George and St. Mary's.

"Mark and his crew were terrific. Professional all the way. Pleasure working with them. Will use them again."

Jack P on October 2025


Avatar for HomeGuard Foam & Foundation

HomeGuard Foam & Foundation

4.73(
23
)
Approved Pro

HomeGuard Foam & Foundation

4.73(
23
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
96 local quotes requested

Committed to creating energy-efficient, durable homes. We take pride in doing things the right way, specializing in spray foam insulation, crawl space solutions, insulation, foundation repair, and waterproofing. Our expert team protects homes from water damage, foundation issues, and energy loss, ensuring lasting comfort and structural integrity for homeowners.

"Installer put hole through ceiling and they wonâ t accept responsibility for it. They said they didnâ t do it. I was sitting in room when it happened. Not trustworthy. ð"

Virginia L on November 2023

Committed to creating energy-efficient, durable homes. We take pride in doing things the right way, specializing in spray foam insulation, crawl space solutions, insulation, foundation repair, and waterproofing. Our expert team protects homes from water damage, foundation issues, and energy loss, ensuring lasting comfort and structural integrity for homeowners.

"Installer put hole through ceiling and they wonâ t accept responsibility for it. They said they didnâ t do it. I was sitting in room when it happened. Not trustworthy. ð"

Virginia L on November 2023


Avatar for Best Buy Waterproofing, LLC

Best Buy Waterproofing, LLC

4.95(
117
)
Approved Pro

Best Buy Waterproofing, LLC

4.95(
117
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
8 years of experience

(COVID - 19) Update: With the corona virus rapidly impacting the way we work & live, Best Buy remains open for business 24/7/365, and here to take care of your Waterproofing and moisture control needs. Health and Safety is our highest priority! Therefore, we are following protocols set by the state and local government agencies to help prevent the spread of the virus! We have taken the appropriate steps to keep our office, shop, vehicles, equipment, and most importantly, keep our TEAM and CUSTOMERS SAFE in these uncertain times! In addition, we will be offering a 20% off all of our services while we continue to serve you during this difficult time! Thank you for your loyalty and dedication to Best Buy Waterproofing! Customer satisfaction is our #1 priority and you can see by our reviews which are the Best in the industry, we are passionate in what we do, and more importantly, Best Buy will keep you dry!

"Great communication!"

DAVID A on October 2024

(COVID - 19) Update: With the corona virus rapidly impacting the way we work & live, Best Buy remains open for business 24/7/365, and here to take care of your Waterproofing and moisture control needs. Health and Safety is our highest priority! Therefore, we are following protocols set by the state and local government agencies to help prevent the spread of the virus! We have taken the appropriate steps to keep our office, shop, vehicles, equipment, and most importantly, keep our TEAM and CUSTOMERS SAFE in these uncertain times! In addition, we will be offering a 20% off all of our services while we continue to serve you during this difficult time! Thank you for your loyalty and dedication to Best Buy Waterproofing! Customer satisfaction is our #1 priority and you can see by our reviews which are the Best in the industry, we are passionate in what we do, and more importantly, Best Buy will keep you dry!

"Great communication!"

DAVID A on October 2024


Avatar for AA Action Waterproofing Inc

AA Action Waterproofing Inc

4.83(
278
)
Approved Pro

AA Action Waterproofing Inc

4.83(
278
)
Approved Pro
Customers say: Quick response
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
13 local quotes requested

We strive to exceed your expectations in waterproofing, mold remediation and foundation repair. We take pride in our work, that’s why we don’t employ subcontractors. We understand there are a lot of choices out there when choosing a certified installer – we hope you choose us! Protect your home and health from mold and mildew invaders. In our 28 years of experience, we have never encountered a wet basement, crawlspace encapsulation or mold removal condition that we couldn’t handle. Give us a call today for a free, no obligation inspection and professional basement waterproofing system tailored for your home or commercial project. AA Action Waterproofing is licensed, insured and bonded with a A+ Rating with the BBB. Please call us and we’ll happily supply you with references.

"They did a great job. We got 4 quotes; they were neither the cheapest nor the most expensive. Everything was done on schedule, and they did not try to talk us into work we didn't need. Very professional, and they did a good clean-up job. We were initially annoyed that they had not cleanly cut through our tile (which we did not think to request), but we would have ended up pulling up and replacing the cut pieces anyway, so it really doesn't matter. Water problems in our basement have stopped! We are very satisfied."

Michelle R on March 2021

We strive to exceed your expectations in waterproofing, mold remediation and foundation repair. We take pride in our work, that’s why we don’t employ subcontractors. We understand there are a lot of choices out there when choosing a certified installer – we hope you choose us! Protect your home and health from mold and mildew invaders. In our 28 years of experience, we have never encountered a wet basement, crawlspace encapsulation or mold removal condition that we couldn’t handle. Give us a call today for a free, no obligation inspection and professional basement waterproofing system tailored for your home or commercial project. AA Action Waterproofing is licensed, insured and bonded with a A+ Rating with the BBB. Please call us and we’ll happily supply you with references.

"They did a great job. We got 4 quotes; they were neither the cheapest nor the most expensive. Everything was done on schedule, and they did not try to talk us into work we didn't need. Very professional, and they did a good clean-up job. We were initially annoyed that they had not cleanly cut through our tile (which we did not think to request), but we would have ended up pulling up and replacing the cut pieces anyway, so it really doesn't matter. Water problems in our basement have stopped! We are very satisfied."

Michelle R on March 2021

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Basement Waterproofing questions, answered by experts

When hiring a basement waterproofing pro in Frederick, look for experience with local soil movement and knowledge of regional moisture control challenges. Ask for references from nearby homes and make sure they’re familiar with Frederick’s seasonal rainfall patterns. Confirm they carry insurance for water damage and understand the area’s drainage regulations. Choosing a contractor with expertise in sump pump installation is also important.

Helpful?

In Frederick, basement waterproofing maintenance should include clearing gutters and downspouts before heavy rain, inspecting sump pumps each spring, and checking for new cracks after winter thaws. Monitor humidity levels with a dehumidifier during summer, and keep window well drains free of debris. It’s also wise to check that soil slopes away from the foundation and schedule professional moisture control inspections every few years.

Helpful?

For Frederick’s climate, exterior foundation walls benefit from flexible waterproofing membranes and elastomeric coatings. Install perforated PVC drain pipes surrounded by gravel for effective drainage. In crawl spaces, use a thick vapor barrier and closed-cell spray insulation to block moisture. Polyurethane sealants are best for foundation crack repair, and a battery backup sump pump helps protect against power outages during local storms.

Helpful?

In Frederick, basement waterproofing is often needed for foundation walls and floors, especially where clay soils and freeze-thaw cycles cause shifting or cracks. Window wells in split-level homes and crawl spaces in newer neighborhoods can collect moisture. Homes near Monocacy River or with older stone foundations are also prone to seepage. Regularly inspecting these areas helps prevent foundation repair issues and long-term water damage.

Helpful?

In Frederick, you can address small basement waterproofing issues by sealing hairline cracks with hydraulic cement on dry days and keeping gutters clear to direct water away from your foundation. Use a dehumidifier to control indoor moisture and ensure crawl spaces are well-ventilated. If you notice cracks wider than a quarter inch, standing water, or electrical hazards, contact a local foundation repair specialist promptly.

Helpful?

The Frederick, MD homeowners’ guide to basement waterproofing services

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