Get matched with top basement waterproofing pros in Frederick, MD
There are 33 highly-rated local basement waterproofing pros.
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4.4 
164 Verified Reviews for Basement Waterproofing pros in Frederick, MD
*The Angi rating for Basement Waterproofing companies in Frederick, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
*The HomeAdvisor rating for Basement Waterproofing companies in Frederick, MD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.
Last update on July 19, 2025
Basement waterproofing pros in Frederick
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.
"Our 25+ year-old French drain system in our 100-year-old basement was showing signs of failure, so we contacted several companies to get advice on what to do. Jason of AA Action was very professional and helpful when he performed his initial inspection of our basement, and had very good ideas on what needed to be done. The price he quoted for the work was also, based on what we had read, reasonable. We ended up going with another company recommended by Angi, but only because it brought up a couple of options that we had not thought of, and we felt comfortable with them doing the extra work. We were not at all unhappy with AA Action's suggestions or pricing - it's just that the other company's additional ideas made sense for our circumstances."
John A on June 2024
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.
"Our 25+ year-old French drain system in our 100-year-old basement was showing signs of failure, so we contacted several companies to get advice on what to do. Jason of AA Action was very professional and helpful when he performed his initial inspection of our basement, and had very good ideas on what needed to be done. The price he quoted for the work was also, based on what we had read, reasonable. We ended up going with another company recommended by Angi, but only because it brought up a couple of options that we had not thought of, and we felt comfortable with them doing the extra work. We were not at all unhappy with AA Action's suggestions or pricing - it's just that the other company's additional ideas made sense for our circumstances."
John A on June 2024
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.
"Very good job."
Kimberly s on May 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.
"Very good job."
Kimberly s on May 2025
Value Dry is committed to never stop fighting the damaging effects of moisture and poor air quality in your home. We transform wet basements and musty crawl spaces into dry, healthy, useable space through basement waterproofing and crawl space encapsulation. We provide the best lifetime transferable warranty in the DC/Baltimore area. Our services include sump installation and replacement, battery backup sump pumps, foundation waterproofing, vapor barriers, humidity/ventilation control, outside stairwell drains, window well drains, egress windows, insulation, and foundation repair. We are conveniently located between the Baltimore and Washington, D.C. beltways and our service range covers Maryland, Virginia, Washington, D.C., Southern Delaware and the panhandle of West Virginia. Our entire team, from our call center staff to our inspectors and installers, is fully committed to maintaining the highest standards of customer service and protecting your biggest investment, your home. Our work is backed by a lifetime transferable warranty and a 24/7 service team. We are very proud of the reputation that we have built through online reviews, within our industry, and among our customers. Give us a call at (888) 768-2583 to schedule a free consultation or if you have any questions.
"They were expensive, but clearly the best product."
Victoria E on December 2024
Value Dry is committed to never stop fighting the damaging effects of moisture and poor air quality in your home. We transform wet basements and musty crawl spaces into dry, healthy, useable space through basement waterproofing and crawl space encapsulation. We provide the best lifetime transferable warranty in the DC/Baltimore area. Our services include sump installation and replacement, battery backup sump pumps, foundation waterproofing, vapor barriers, humidity/ventilation control, outside stairwell drains, window well drains, egress windows, insulation, and foundation repair. We are conveniently located between the Baltimore and Washington, D.C. beltways and our service range covers Maryland, Virginia, Washington, D.C., Southern Delaware and the panhandle of West Virginia. Our entire team, from our call center staff to our inspectors and installers, is fully committed to maintaining the highest standards of customer service and protecting your biggest investment, your home. Our work is backed by a lifetime transferable warranty and a 24/7 service team. We are very proud of the reputation that we have built through online reviews, within our industry, and among our customers. Give us a call at (888) 768-2583 to schedule a free consultation or if you have any questions.
"They were expensive, but clearly the best product."
Victoria E on December 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
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
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
"JES left my home in worse shape and won’t return my calls to come repair the damage left. I reached out to them to install a joist support system under my kitchen so that I can renovate this year. There were floor joists under the back door that had been cut during a renovation about 30 years ago. JES installed a jack system but then left my foundation under the door where you can literally see daylight from the basement. I brought this up to the crew before they left late Friday night (they worked long hours just to “finish” without even asking me if it was okay to trap me at home that late), and the lead just shrugged at me. Shortly after they left, it rained, and sure enough, water poured into my electrical room and all over the freshly poured concrete. I called Friday night, sent an email and text with videos, and called today 3 times. Each time the “production manager” is “busy.” Before this, they were perfectly capable of blowing up my phone to see if I could schedule sooner. JES is seriously lacking in work planning and professionalism."
Brittany A on June 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
"JES left my home in worse shape and won’t return my calls to come repair the damage left. I reached out to them to install a joist support system under my kitchen so that I can renovate this year. There were floor joists under the back door that had been cut during a renovation about 30 years ago. JES installed a jack system but then left my foundation under the door where you can literally see daylight from the basement. I brought this up to the crew before they left late Friday night (they worked long hours just to “finish” without even asking me if it was okay to trap me at home that late), and the lead just shrugged at me. Shortly after they left, it rained, and sure enough, water poured into my electrical room and all over the freshly poured concrete. I called Friday night, sent an email and text with videos, and called today 3 times. Each time the “production manager” is “busy.” Before this, they were perfectly capable of blowing up my phone to see if I could schedule sooner. JES is seriously lacking in work planning and professionalism."
Brittany A on June 2025
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
Budget Waterproofing has more than 55 years of experience in servicing residential customers throughout Maryland. If you would like to speak with us immediately please call us at 410-609-1240. Our Maryland waterproofing services range from Basement & Crawlspace Waterpoofing, and foundation crack repair to sump pump installation and crawlspace encapsulation. If you have moisture, high humidity or mold problems in your basement, Budget Waterproofing is your solution. We have proven over the years that our waterproofing methods look good and do the job and last. Our technicians are well-trained and instructed to respect your home and make sure you are happy with the finished project. As one of the leading basement waterproofing companies in Maryland, we are confident that you will will be satisfied with our level of quality. Enjoy competitive pricing starting at *$1800.00* minimum job for our state-of-the-art waterproofing – thousands of satisfied homeowners already are!
"Budget Waterproofing has definitely earned a five-star review for their outstanding service. Bill provided a thorough explanation of how and why water was entering my basement. I felt the quote was fair compared to the other estimates that were submitted. I felt the other quotes were inflated for the same scope of work. Scheduling was easy and the installers were efficient and professional. I highly recommend them."
WANDA L. W on June 2025
Budget Waterproofing has more than 55 years of experience in servicing residential customers throughout Maryland. If you would like to speak with us immediately please call us at 410-609-1240. Our Maryland waterproofing services range from Basement & Crawlspace Waterpoofing, and foundation crack repair to sump pump installation and crawlspace encapsulation. If you have moisture, high humidity or mold problems in your basement, Budget Waterproofing is your solution. We have proven over the years that our waterproofing methods look good and do the job and last. Our technicians are well-trained and instructed to respect your home and make sure you are happy with the finished project. As one of the leading basement waterproofing companies in Maryland, we are confident that you will will be satisfied with our level of quality. Enjoy competitive pricing starting at *$1800.00* minimum job for our state-of-the-art waterproofing – thousands of satisfied homeowners already are!
"Budget Waterproofing has definitely earned a five-star review for their outstanding service. Bill provided a thorough explanation of how and why water was entering my basement. I felt the quote was fair compared to the other estimates that were submitted. I felt the other quotes were inflated for the same scope of work. Scheduling was easy and the installers were efficient and professional. I highly recommend them."
WANDA L. W on June 2025
Bennett Waterproofing has been a family owned and operated business since established in 1987. Business owner, James Bennett, personally oversees all work to ensure quality service. All of our services are very reasonably priced and we offer a lifetime warranty on all system installations. We use state of the art waterproofing equipment and techniques. We are licensed, bonded, and insured. We have hundreds of referrals from satisfied customers. Free estimates and an honest evaluation of your needs are gladly provided. Feel free to call us anytime of day or night.
"Jamie was very helpful with consultation for my basement water proofing. I sent him a few videos of the problem we are having. Due to covid19 quarantine situation, we weren't ready to receive a visit."
NAHID I on December 2020
Bennett Waterproofing has been a family owned and operated business since established in 1987. Business owner, James Bennett, personally oversees all work to ensure quality service. All of our services are very reasonably priced and we offer a lifetime warranty on all system installations. We use state of the art waterproofing equipment and techniques. We are licensed, bonded, and insured. We have hundreds of referrals from satisfied customers. Free estimates and an honest evaluation of your needs are gladly provided. Feel free to call us anytime of day or night.
"Jamie was very helpful with consultation for my basement water proofing. I sent him a few videos of the problem we are having. Due to covid19 quarantine situation, we weren't ready to receive a visit."
NAHID I on December 2020
Green Future Construction and Tree Specialists is the area's premier full-service company for all your outdoor needs! With experts in construction, landscape design, and tree services all under one roof, we make scheduling your project easy and ensure it’s managed seamlessly from start to finish, exceeding expectations every step of the way.
"Absolutely recommend Green Future-they removed an enormous tree from our back yard, which we were extremely anxious about. They were fantastic; fair priced, very fast turnaround from estimate to completion."
Dyana Q on April 2025
Green Future Construction and Tree Specialists is the area's premier full-service company for all your outdoor needs! With experts in construction, landscape design, and tree services all under one roof, we make scheduling your project easy and ensure it’s managed seamlessly from start to finish, exceeding expectations every step of the way.
"Absolutely recommend Green Future-they removed an enormous tree from our back yard, which we were extremely anxious about. They were fantastic; fair priced, very fast turnaround from estimate to completion."
Dyana Q on April 2025
With over 30 years experience in Basement Waterproofing and Mold Remediation services, Andrew A. Altman, Sr. Is a top rated veteran with a proven record beyond belief! In fact the certified, professional Staff has a combined experience of over 60 years. When you hire Best Buy Waterproofing, you are hiring the very best in the industry! They have the WIT attitude ( Whatever It Takes ) and customer satisfaction is their #1 priority as they are "Comitted To Excellence!" Best Buy Waterproofing is licensed, bonded, insured, and certified. They have earned the reputation of standing behind their incredible work and customer satisfaction. They offer free estimates and the very best financing available. They even have No payments & No Interest for 18 months! Best Buy Waterproofing stands behind their lifetime of the structure warranty on their systems. Also on all sump pump systems and their intelligent battery back ups! Best Buy is the ONLY company who offers this kind of warranty on those services as Strength is their Foundation! If you need a dry basement certificate, call us immediately. We are operational 24/7 365!
"Dan was highly professional and offered an excellent evaluation of my needs. He actually went into the crawl space to better understand my needs. A good neighbor and a person to know. Thank you."
Arsalan S on November 2024
With over 30 years experience in Basement Waterproofing and Mold Remediation services, Andrew A. Altman, Sr. Is a top rated veteran with a proven record beyond belief! In fact the certified, professional Staff has a combined experience of over 60 years. When you hire Best Buy Waterproofing, you are hiring the very best in the industry! They have the WIT attitude ( Whatever It Takes ) and customer satisfaction is their #1 priority as they are "Comitted To Excellence!" Best Buy Waterproofing is licensed, bonded, insured, and certified. They have earned the reputation of standing behind their incredible work and customer satisfaction. They offer free estimates and the very best financing available. They even have No payments & No Interest for 18 months! Best Buy Waterproofing stands behind their lifetime of the structure warranty on their systems. Also on all sump pump systems and their intelligent battery back ups! Best Buy is the ONLY company who offers this kind of warranty on those services as Strength is their Foundation! If you need a dry basement certificate, call us immediately. We are operational 24/7 365!
"Dan was highly professional and offered an excellent evaluation of my needs. He actually went into the crawl space to better understand my needs. A good neighbor and a person to know. Thank you."
Arsalan S on November 2024
FAQs for basement waterproofing projects in Frederick, MD
Due to the nature of basements, some level of waterproofing is necessary to prevent water from seeping in and causing damage. Some definitive signs that your basement needs waterproofing measures or needs existing waterproofing measures need to be updated include:
Water in your basement, including damp walls or puddles on the floor
Mold spots in your basement
Musty smells or odors
Warped doors or walls
Cracks in walls
Insect issues, such as cockroaches and termites
You can DIY basement waterproofing in some ways to help save on the overall costs. If your basement isn’t experiencing a lot of water but is noticeably humid, you can try running a dehumidifier that will pull the excess water out of the air. If you notice water leaking due to outdoor drainage issues, you can add downspout extensions to keep rainwater away from your home.
However, if the problem is more severe and requires a more extensive solution, it’s best to call a basement waterproofing professional to assess the treatment you need and install waterproofing safeguards properly. Since keeping water out of your basement is important, ensuring this job is done correctly the first time is best.
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.
Several factors dictate if you should waterproof the interior or exterior of your basement. Waterproofing the exterior of your home is a great option if you use your basement for storage, as it provides the most protection from water and water damage. If you prefer work done outside of your home versus inside, exterior waterproofing is best for you. However, interior waterproofing is often less expensive since the area is easier to reach and requires less labor.
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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