Find trusted waterproofing professionals serving Maryland. All contractors are independently researched and certified.
Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.
Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.
"Value Dry transforms wet, humid basements and musty crawl spaces into dry, healthy, livable environments by installing waterproofing and encapsulation systems in homes and businesses in Maryland, DC, Virginia, Delaware, and West Virginia. You can count on our promise of quality combined with professional workmanship."
"With over 40 years of experience, family-owned NV Waterproofing & Foundation Repair is renowned for our superior craftsmanship and products, along with our honest and professional methodology. We are committed to offering homeowners enduring solutions for lasting peace of mind for years to come."
"We have proudly served the Baltimore and Washington metropolitan areas for over 35 years. Our goal is to create healthy, clean, and dry basements that all homeowners can utilize as valuable living space."
"We are a family-operated, veteran-owned company with extensive experience in structural repair and water management issues. Since 1987, we have provided excellent customer service from start to finish on every job. Allmaster Home Services offers foundation repair services to residential customers."
"JES Foundation Repair specializes in helping homeowners with foundation repair, basement waterproofing, crawl space encapsulation, and concrete lifting needs. With 33 years of experience, JES provides high-quality home repair solutions and personalized service across Virginia, Maryland, West Virginia, and North Carolina."
"All Aspects Waterproofing is committed to excellence with our vision to provide quality service and workmanship. We look forward to exceeding expectations providing healthy, dry basements and peace of mind."
"Since 1958, '58 Foundations & Waterproofing has been providing five-star customer experiences in basement waterproofing, crawl space encapsulation, foundation repair, and mold removal. Our money-back guarantee and life-of-the-structure warranty, unique in the industry, offer the ultimate protection to homeowners."
"Award-winning company founded on integrity and trust, backed by awards, accreditations, and hundreds of verified five-star customer reviews. Our team of professionals has a combined experience of 100+ years in our areas of expertise. We're in business for you and because of you!"
Real homeowners looking for waterproofing in your area
"exterior waterproofing problem . Fireplace chimney leak."
"Free consultation with quote for Exterior drainage system solution and the installation of window well covers."
"Quote on Basement Waterproofing"
"Hello. We had some water seepage into our basement back in early December but nothing since then. Would like someone to..."
"We are in need of some flashing where our deck meets the foundation wall, to prevent water infiltration."
"Recently bought a fixer upper home basement leaks when it rains. We think the grading and gutters need to be checked/rep..."
"I am having water intrusion in the storage space in my home and need to understand why the water entry and get repairs."
"Seeking foundation inspection and possible repair if warranted. Just bought a house here and there is evidence of negati..."
"Possibly add another sump pump or whatever needs to be done to stop from my basement flooding when heavy rains occurs"
"I need a sump pump and 16 ft of french drain preferably encapsulated for radon"
"Installation of pavers in front porch and back patio. Salesman, Lars was extremely helpful. Installer was excellent. Very happy with results."
"The workers did a great job. My basement used to flood whenever there was heavy rain. Since waterproofing, there is no more flooding, and I breathe…"
"NV Waterproofing was very professional, friendly, and respectful and did a good job."
"JES came in right on budget. They were quick to take care of our problem. We were very happy"
"They did a great job. We haven't had any leaks in a year. They were very helpful."
"A A Action Waterproofing was very considerate, courteous, neat and friendly."
Every Best Pick company in Maryland is independently researched and certified annually. We analyze thousands of customer reviews, verify licensing and insurance, and confirm each company meets our strict qualification standards.
We conduct extensive satisfaction surveys and analyze thousands of customer experiences annually.
Verified by
Independent Research
Companies earn Best Pick certification through performance alone. Only businesses with 80%+ recommendation rates qualify.
Best Pick status isn't permanent. Every certified company must re-qualify annually.
Licensed
Insured
Verified
We stand behind our certified companies with a financial guarantee up to $2,500.
Protected
Financial guarantee included
Only waterproofing companies that meet our strict standards earn Best Pick status.
Waterproofing companies must maintain a 4.0+ rating and an 80% recommendation rate.
Current state contractor license verification and general liability insurance for waterproofing work
Minimum 1 year in business with established local presence
Maintain active business registration and in good standing with the state
Consistent waterproofing service quality across all projects
Must re-qualify every year through new research
Common questions about Certified Best Pick® waterproofing companies in Maryland
Best Pick Certified Waterproofing companies in Maryland, MD have earned their status through independent consumer research—not paid placement. To qualify, a company must meet strict standards:
Certification is re-verified annually, ensuring continued performance.
No. Waterproofing companies cannot buy Best Pick Certification, improved ratings, or better placement. Our research team independently evaluates companies based on customer satisfaction, licensing, insurance, and business stability—before any business relationship exists.
Companies that earn certification pay a participation fee after qualifying, which covers the cost of ongoing research and publication. This fee has no influence on whether a company qualifies or how they appear in our directory.
The Best Pick Guarantee provides financial protection—up to $2,500 in labor costs—if a Certified Best Pick Waterproofing company fails to deliver on their commitments.
To be eligible:
This guarantee applies only to Certified Best Pick companies, not Standard Pros. Full terms are available on our guarantee page.
