Basement Waterproofing

Basement waterproofing contractors stop water from entering below-grade spaces and manage the water that collects around a foundation. They diagnose where moisture comes from and install systems such as interior drainage, sump pumps and exterior membranes.

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Common basement waterproofing services include:

  • Interior perimeter drainage systems
  • Sump pump installation, replacement and battery backups
  • Exterior foundation waterproofing membranes
  • Sealing cracks and wall penetrations
  • Window well and egress window drainage

Call a waterproofing contractor when your basement leaks after rain, you see damp walls, efflorescence or puddles, or your sump pump runs often or has failed. Yard runoff and grading problems are handled by drainage contractors.

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American Roofing & Waterproofing LLC
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Phoenix, AZ Basement Waterproofing, Roofing Contractors

American Roofing & Waterproofing is a family owned and operated Phoenix-based roofing and waterproofing contractor that provides free, no-obligation inspections and estimates and delivers commercial, residential, multifamily, and new-construction roofing services across Arizona with additional work in California, Colorado, and Texas; the company offers roof installation, repairs, inspections (including drone inspections), waterproofing and coating, gutter installation and cleaning, roof cleaning and restoration, emergency storm and hail-damage response, financing options, and warranties (including a 10-year warranty on most roofing jobs and a one-year labor guarantee), operating with licensed ROC numbers and an A+ BBB rating while emphasizing quality workmanship and protection of customers’ property investments.

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Brincefield Crawlspace Solutions logo
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Mechanicsville, MD Basement Waterproofing

Homes with vented crawlspaces often face moisture, musty odors, and seasonal humidity changes that affect floors and indoor air. In Mechanicsville, MD, properties benefit from a careful assessment of soil conditions, grading, and under-home airflow before any work begins. A waterproofing service typically starts with an inspection to identify how water enters, whether through wall seepage, high groundwater, or condensation on cool surfaces. When ground vapor is the main source, crews may recommend vapor barriers that seal exposed soil and help limit moisture migration into framing. If runoff or groundwater are involved, planning for drainage solutions can include directing surface water away from the foundation and setting up interior or perimeter pathways to carry water to a discharge point. Brincefield Crawlspace Solutions also coordinates related steps such as dehumidifier setup and routine crawlspace inspections to track conditions over time.

Bronx Basement Waterproofing logo
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Bronx, NY Basement Waterproofing

We're a Bronx basement waterproofing company that fixes wet basements for homeowners across the borough. We specialize in waterproofing. We don't sell it alongside roofing, siding, and deck work the way most of our competition does, and every person on your crew has worked in Bronx clay soil and Bronx flood zones specifically.

Caspi Construction
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Tarzana, CA Bathroom Remodeling, Cabinet Makers & Installers

Caspi Construction is a trusted home remodeling and construction company serving Los Angeles, Tarzana, and surrounding communities. The company specializes in kitchen and bathroom remodeling, full home renovations, garage conversions and ADUs, flooring, windows and doors, decks and railings, pergolas, fences and gates, and other residential improvement projects. Caspi Construction is known for quality craftsmanship, practical design, and personalized service, helping homeowners create functional, beautiful spaces that reflect their lifestyle and vision.

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Suburban Plumbing Sewer Line & Drain Cleaning Experts
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Brookfield, IL Plumbers, Septic System Installation & Repair

Suburban Plumbing Experts is a premier plumbing and sewer contractor that proudly services customers throughout Brookfield, Illinois and the greater Chicago area.

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SwainCo. logo
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Greenwood, IN Basement Waterproofing, General Contractors

In Greenwood, IN, many homes experience seasonal moisture that affects basements and vented crawl spaces, especially during heavy rains and during freeze and thaw cycles. Property owners often start with a waterproofing service to manage runoff, wall seepage, and indoor humidity before it leads to wood decay or musty odors. As a local crawl space company, the team inspects access points, insulation, drainage paths, and ground vapor to recommend practical steps for healthier air and more stable floors. Typical crawl space repairs might include sealing rim-joist gaps, adding perimeter drainage that routes to a sump, regrading soil at the foundation, or replacing waterlogged insulation. In nearby Indianapolis neighborhoods, soil types and roof sizes can change how gutters, downspouts, and yard drainage should be configured. Clear explanations of findings, photo documentation, and a prioritized work plan help homeowners weigh immediate fixes against future upgrades. SwainCo. focuses on coordination, so installation crews, scheduling, and follow-up checks fit around weather patterns and normal household routines.

Texas Estimation
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Fort Worth, TX Architects, Bathroom Remodeling

We offer Comprehensive Takeoffs and Detailed Estimation Services with 100% precision. Our highly skilled estimators use modern techniques and technology to provide cost-estimating services that enhance the client’s bid-winning ratio.

ResidentialCommercialVirtual Consultations
Top of Mind Home Remodeling
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Valley Village, CA Bathroom Remodeling, Basement Waterproofing

Top of Mind Home Remodeling is a family-owned contractor serving Los Angeles and nearby cities including Altadena, Pasadena, Burbank, Sherman Oaks, and Redondo Beach. We handle full home remodeling, kitchen remodeling, bathroom remodeling, roof remodeling, pool construction, and ADU construction for homeowners across los angeles. Our licensed and insured team manages every step of your project, from design and permits to final construction, so you always know what to expect. Whether you're updating a single room or planning a complete home transformation, we bring honest pricing, clear communication, and quality craftsmanship to every job. Call us today for a free quote and let's bring your remodeling vision to life.

Warranty OfferedFinancing AvailableMilitary Discounts
Vegas Pro Remodeling
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Las Vegas, NV Bathroom Remodeling, Cabinet Makers & Installers

Vegas Pro Remodeling is a trusted, licensed general contracting company based in Las Vegas, NV. We specialize in full home remodeling, kitchen and bathroom renovations, flooring, painting, and custom outdoor upgrades. Whether you're refreshing a single room or transforming your entire home, our team delivers quality craftsmanship at competitive prices. Proudly serving Las Vegas, Henderson, Summerlin, and North Las Vegas. NV License #0092906. Call (702) 900-6191 for a free estimate.

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waan restoration

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Brooklyn, NY Concrete Contractors, Kitchen Remodeling

WAAN Restoration LLC offers expert renovation and restoration services in New York & New Jersey. From roofing and waterproofing to full home remodels, masonry, and stucco, they deliver high-quality, reliable results for residential and commercial projects.

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Basement Waterproofing Questions and Answers

What does a basement waterproofing contractor do?

A basement waterproofing contractor finds where water is getting in and installs solutions such as interior drain tile and sump pumps, exterior waterproofing, crack sealing and window well drainage to keep the basement dry.

Why does my basement leak?

Common causes include water pressure in saturated soil, cracks or gaps in foundation walls, leaks where the wall meets the floor, poor grading, overflowing gutters and failing window wells. Identifying the source helps decide between interior and exterior solutions.

How do I choose a waterproofing contractor?

Get more than one opinion, ask each contractor to explain where water is entering and why their solution fits, and compare written warranties. Be cautious of recommendations that ignore simple fixes such as downspout extensions or grading.

What affects the cost of basement waterproofing?

Cost depends on the basement's size and finish, the method used, the length of drainage installed, sump pumps and backups, excavation for exterior work, and access around the house. Finished basements may need walls or flooring removed.

How should I prepare for basement waterproofing work?

Move stored items, furniture and finishes away from the basement walls where crews will work, and expect dust and noise during installation. Ask where discharge lines will run outside and whether an electrical outlet is available for a sump pump.