Foundation Repair, Waterproofing & Mold Remediation Experts

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Expert Foundation Repair, Mold Remediation, Crawl Space, and Basement Waterproofing

As Maryland’s trusted experts in basement health, we go beyond mold and waterproofing. Our experienced team also provides structural repair services to keep your home dry, healthy, and structurally sound from the ground up. From repairing cracked foundations to stopping water intrusion and eliminating mold, Maryland Mold and Waterproofing delivers long-term solutions to protect your home.

Explore Our Services

Expert Mold Remediation, Reliable Basement Waterproofing, and Crawl Space Repair Services in Annapolis, MD and its Vicinity

Structural Foundation Repair

Cracks in your walls, uneven floors, or doors that no longer close properly can all be signs of foundation trouble. These issues often start small but can quickly lead to serious structural damage if ignored. Our foundation repair services include:

● Wall Crack Repair
● Structural Crack Repair
● Bowing Basement Wall Repair
● Sinking Foundation Repair

Basement Waterproofing

Damp spots on basement walls, musty odors, or standing water after a storm are often the first signs of a moisture problem. Left untreated, water intrusion can damage your foundation, ruin stored belongings, and lead to mold growth. Our basement waterproofing services include:

● Water Damage Restoration
● Humidity Control
● Sump Pump Services
● Interior Drainage Systems
● Leaking Wall Repair
● Egress Window Installation

Mold Remediation

If you notice a musty odor, dark spots on drywall, or increased coughing or sneezing indoors, you may be dealing with a mold issue. Mold can spread fast and damage both your home and your health if it’s not treated quickly. Our experienced team provides:

● Free Mold Inspections
● Complete Mold Remediation
● Post Remediation Testing
● Controlled Demolition/Item Removal
● Antimicrobial and Fungistatic Coating (as needed)
● Dehumidifier Installation

Crawl Space Repair

Sagging floors, foul odors, or uneven temperature distribution in your home often points to problems in the crawl space. Over time, moisture and structural damage in this area can weaken your foundation and impact your home’s air quality. Our crawl space services cover:

● Crawl Space Drainage Solutions
● Vapor Barrier & Encapsulation Services
● Dehumidifier Installation
● Mold & Odor Control

Sump Pump Service

Our technicians are qualified to install, repair and replace sump pumps of any brand. We also install the GrateSump™ pump system, for its effectiveness and durability and battery backup systems to couple with your sump pump to keep the basement dry during power outages.

See Why Maryland Homeowners Recommend Us

Liz Cipriani

August 17, 2026

We had some bathroom mold that I was worried about and a previous team had come out and told us that it was a full gut job. Thankfully, we decided to get a second opinion, and John assured us that it was just surface level and easily saved us tens of thousands of dollars!

Rick Woodhouse

August 10, 2026

MMW’s crew, Marcel and Hugo were excellent. They arrived on time, introduced themselves and told us what we could expect as to what they would be doing. They took great care in moving furniture out of the rooms they were working in. They then sealed off the rooms they were in so as not to affect the rest of our home. Throughout the remediation process Marcel kept us informed of what they were doing. When they left they cleaned up and left our home looking the same as when they arrived. We were very impressed with Marcel and Hugo.

Sabeth Siddique

July 29, 2026

Nick provided candid, credible perspective on solving the issue

Karen Russell

July 23, 2026

Brian Costello

July 6, 2026

John and his team were outstanding ! From the initial appointment to the service, it was first class all the way. John is very knowledgeable and truly cares about his customer. I would highly recommend Maryland Mold and Waterproofing. A+

Michelle Althouse

July 2, 2026

Oliver Nutt

June 29, 2026

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+1

Exceptional service. Very friendly and helpful team, and high quality finish.

Kodili Ezekwerre

June 11, 2026

I’m very happy with the work that Dylan and Hugo did. Everything was done in a timely manner

Laura Heslop

June 3, 2026

Nick and his team are very professional and knowledgeable. We didn't end up having a mold problem, but Nick came out to look everything over and provided options regarding a dehumidifier. We highly recommend MD Mold and Waterproofing.

beth rose

June 2, 2026

Prompt for appointment. Honest in what needed to be done / not done. Recommended someone who could do the work needed not involving waterproofing. Very pleased.

Explore Our Financing Options

Contact Us To Learn More About Our Financing Options

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12 Months, No Payments, No Interest

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No Upfront Costs or Hidden Fees

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Interest Doesn't Start Until Day 366 of Your Agreement

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Flexible Option to Complete Your Home Repairs

Experience award-winning service

Contact us now!

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About Maryland Mold and Waterproofing

At Maryland Mold and Waterproofing, we are your trusted, local, and experienced basement health experts serving Annapolis, Baltimore, and surrounding areas. We are experts in mold remediation, interior and exterior basement waterproofing, sump pumps, battery backup systems, dehumidifiers, as well as crawl space repair, mold testing & removal.

When you have a wet basement or crawl space, it could cause big problems for the rest of your home. In fact, wet crawl space and basement problems only get worse—whether that means musty odors, mold growth, or even worse, poor indoor air quality and extensive water damage.

Our experienced, skilled, fully equipped, and highly trained technicians are your Authorized Grate Products™ Preferred Contractor for the Annapolis area, which means we can offer you exclusive access to some of the most innovative products for crawl space and basement solutions.

Reasons To Hire Maryland Mold and Waterproofing

Driven by Integrity, Defined by Quality, Backed by Experience

At Maryland Mold and Waterproofing, we combine technical expertise with genuine customer care. As a family-owned company, we understand how personal it is to trust someone with your home. Every project we take on is handled with honesty, precision, and respect for your time and property. Our mission is to deliver long-lasting results that keep your home safe, dry, and structurally sound.

What Sets Us Apart

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Family-Owned and Local

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Proud Member of Basement Health Association

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Service Department and Annual Maintenance Packages

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Highest Standard of Quality with a Nationally Backed Warranty

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Certified Professionals and Comprehensive Solutions

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Dedicated Customer Support

Project Spotlight:

Basement Wall Repair

The homeowner recently purchased a property with a severely damaged 28-foot basement wall that had bowed inward by six inches and could not be salvaged. MMW safely demolished the failing structure and installed a new, reinforced basement wall to restore the home’s stability and integrity.

View A Featured Project

Our Service Area

Maryland Mold and Waterproofing is proud to provide exceptional service to homeowners across Maryland, including:

Annapolis
Baltimore
Columbia
Silver Spring
Severna Park
Ellicott City
Gaithersburg
Frederick
Rockville
Waldorf

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Get Started Today

Stop putting off those home repairs and check one more thing off your to-do list. Take the first step toward restoring your home’s safety and comfort with Maryland Mold and Waterproofing.

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Submit The Contact Form

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Receive Your Free Estimate

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Schedule The Work

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Enjoy a Dry, Healthy Home