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Foundation Repair & Waterproofing Services in Maryland

Protect your home or business from water damage and structural issues with foundation repair and waterproofing services from All In One Contracting. Serving Montgomery County, Frederick County, Howard County, and Carroll County, MD, we provide licensed, professional foundation contractors who deliver lasting results. From basement leaks to structural cracks, our team has the expertise to safeguard your property.


Professional Foundation Repair Contractors in Central Maryland

A solid foundation is essential for the safety and value of your property. At All In One Contracting, we specialize in foundation repair, basement waterproofing, and structural stabilization. Our licensed contractors use proven techniques and high-quality materials to prevent water intrusion, repair foundation cracks, and maintain the integrity of your home or commercial building.

Our Foundation Repair & Waterproofing Services

Basement Waterproofing

We provide comprehensive basement waterproofing solutions, including interior and exterior drainage systems, sump pumps, and vapor barriers to keep your basement dry year-round.

Foundation Crack Repair

From small hairline cracks to structural damage, our team repairs foundation cracks using epoxy injections, polyurethane, and other advanced methods to restore stability.

Crawl Space Waterproofing

Protect your crawl space with moisture barriers, encapsulation, and ventilation solutions that prevent mold, wood rot, and structural damage.

Structural Foundation Repair

We address serious foundation issues with underpinning, pier installation, and leveling solutions to stabilize your home or commercial property.

Exterior Waterproofing & Drainage Solutions

Our exterior waterproofing services include excavation, foundation coating, and proper grading to divert water away from your foundation.

Basement foundation repair

The Signs of Home Foundation Damage

If left untreated, foundation damage can lead to serious structural issues in your basement or home. That’s why requesting a service is essential if you notice one or more of the following:

  • Cracking, chipping, or spider web-like splitting in your basement walls or floors.
  • Small or large gaps or spaces between your walls and ceilings.
  • Water seeping or pooling on the basement floor or crawl space.
  • Sloping floors, or the feeling that your basement floors are unbalanced.
  • Basement bricks that are cracked, loosened, or dislodged.

We Fix and Enhance Basement Foundations

Our foundation repair and enhancements include the following:

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Wall Stabilization & Reinforcement

We stabilize bowing, leaning, or cracked walls caused by foundational movement or pressure.

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Foundation Crack Repair

If you have cracks in your foundation or basement walls, we will fill them to prevent water leaks and structural damage.

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Slab Floor Repairs

Are your foundation’s concrete slabs damaged? Leave it to us to repair them quickly and thoroughly.

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Drainage & Waterproofing Services

We install sump pumps, draining systems, ventilation, dehumidifiers, and waterproof coatings to protect foundations from moisture.

Our Service Areas

We proudly provide remodeling and home improvement services for the following areas and communities:

  • Silver Spring, MD
  • Ashton, MD
  • Olney, MD
  • Brookeville, MD
  • Rockville, MD
  • Gaithersburg, MD
  • Potomac, MD
  • Bethesda, MD
  • Germantown, MD
  • Frederick, MD
  • Montgomery County, MD
  • Howard County, MD
  • Carroll County, MD
  • Columbia, MD
  • Westminster, MD
  • Kensington, MD
  • Chevy Chase, MD
  • Frederick County, MD
  • Damascus, MD
  • Ellicott City, MD

Why Choose All In One Contracting for Foundation & Waterproofing Services

  • Licensed & insured Maryland foundation repair contractors

  • Expert solutions for residential and commercial properties

  • Advanced techniques for basement, crawl space, and foundation waterproofing

  • Durable materials and professional craftsmanship

  • Honest pricing and free estimates

  • Service across Montgomery, Frederick, Howard, and Carroll Counties

We ensure every foundation repair and waterproofing project is completed with care, precision, and long-term results.

Need a Foundation Service? We’ve Got You

Even small foundational cracks and chips can grow and create bigger problems in the future. Getting your foundation inspected and fixed now will save you time, money, and disruption. The team at All In One Contractors LLC can handle and fulfill foundation issues of all sizes and severities. If your foundation needs to be repaired, sealed, or waterproofed, our team can provide you with a free, no-obligation inspection and estimate. You can rely on us to restore your basement’s stability and safety.

Choose the Home Remodeling One-Stop Shop