Top-Rated Waterproofing Pros Near You in Alton, IL

Grip-Tite Foundation Repair

Grip-Tite Foundation Repair is committed to excellence in the service we provide.We are a full service basement repair company.We install the best products available, using genuine, guaranteed Grip-Tite products installed by trained and certified Grip-Tite personnel.Your home�s future has never been more secure.Call us today for your FREE Basement and Foundation Inspection! 1-800-474-7848

Read more about Grip-Tite Foundation Repair

Woods Basement Systems Inc

It's been 30 years since Rick and Anna Lee Woods founded Woods Basement Systems, and today the company is one of the largest foundation repair and waterproofing contractors in Missouri and Illinois, serving both residential and commercial clients.Working from a 16,000 square-foot office facility, a 30-acre property for our production teams, dozens of community and industry honors, and a growing team of dedicated professionals, Woods Basement Systems still maintains a focus on the most important aspect of ou

Read more about Woods Basement Systems Inc

B-Dry Solutions Waterproofing & Foundation Repair

B-Dry Solutions offers free estimates and has 0% financing available.We also accept all major credit cards, checks and cash.The management team of B-Dry solutions has over 30 local years of combined work experience that consists of both managing and operating a team of employees in the corporate and retail environments.We have strong project management and business skills and knowledge.We will continue to train and update our employees to implement new ideas and processes that make the job more efficient wi

Read more about B-Dry Solutions Waterproofing & Foundation Repair

Crawlspace Doctor

I have been in the home building business in the Huntsville AL area for the past 15 years. I have always noticed the need to control humidity and mold issues in home design. Designing crawlspaces with foundation vents used to be code and all builders had to abide by the code. Fortunately the codes have changed. I see the need for unvented, conditioned crawlspaces in the Huntsville area. Not only does a conditioned crawlspace allow for the control of mold growth but also allows for the most energy efficient

Read more about Crawlspace Doctor

EVERGREEN INSPECTION SVC
DIVERSIFIED PEST SOLUTIONS
GP Construction Group, Inc.

GP Construction Group, Inc. is masonry, masonry restoration and waterproofing company, licensed by State of Illinois and City of Chicago, accredited by BBB with A+ rating, also member of MCAA and BTA, specialize in masonry new construction, restoration ( chimney repairs, tuckpointing, lintels replacement, parapet wall repairs, sealant / caulking repairs and replacement, water repellant / sealer applications, and other ), waterproofing ( above grade exteriors and foundations ) and concrete new construction a

Read more about GP Construction Group, Inc.

Abate Restoration

With over 15 years of experience, Abate Restoration is your trusted choice for all of your mold, water restoration and foundation waterproofing. We have the knowledge and the integrity that you would expect from your trusted professional. We take pride in our work and can assure your satisfaction with your project. Give us a call today!

Read more about Abate Restoration

Everdry Waterproofing

Everdry of Illinois has serviced all types of basements, crawl spaces and slab homes with foundation repair services that range from crack patching and basement waterproofing to ventilation solutions, to complete foundation repairs. Our well-trained waterproofing technicians are dedicated to complete customer satisfaction. This is achieved through fast, efficient processes as well as teamwork throughout this organization. You will always find a friendly representative willing to meet your needs at Everdry

Read more about Everdry Waterproofing

Seepageseal, Inc.

Seepageseal, Inc provides exceptional waterproofing services to Woodridge and the surrounding areas. You can count on our company to leave you satisfied and happy. Customer satisfaction is our top priority, as we provide fast, friendly and reliable service. With our competitive pricing, we will earn your trust for a lifetime. We believe in making all clients repeat clients!

Read more about Seepageseal, Inc.

Waterproofing FAQs

The cost for waterproofing services can vary widely depending on the scope of the project and the method used. On average, homeowners in the U.S. spend between $2,000 and $7,000 for professional waterproofing services. Here’s a breakdown of common services:

  • Basement Waterproofing: $3,000 to $10,000, depending on whether exterior or interior systems are used.
  • Foundation Crack Repair: $500 to $4,000, depending on the size and extent of damage.
  • Crawl Space Encapsulation: $1,500 to $15,000, based on the size of your crawl space.
  • Exterior Waterproofing: Starting at $5,000 and can go up to $20,000.

It’s important to have an inspection done to get an accurate estimate tailored to your specific needs.

Signs that your home might need waterproofing include:

  • Wet or damp basement walls or floors;
  • Musty odors in the basement or crawl space;
  • Visible mold or mildew growth;
  • Standing water around the foundation after heavy rains;
  • Peeling paint or efflorescence (white, chalky residue) on walls;
  • Cracks in the foundation or walls.

If you notice any of these symptoms, it’s a great idea to schedule an assessment with a waterproofing professional to avoid more severe damage in the future.

In many cases, waterproofing services are not covered by standard homeowners insurance policies. Insurance generally covers damage caused by sudden and accidental events, like a burst pipe, but not damage from gradual issues like foundation leaks. However, if flood damage is an issue in your Alton home, you may want to look into a separate flood insurance policy. Be sure to check with your insurance provider to understand your coverage and plan accordingly.

Waterproofing Pros offer a wide range of services designed to protect your home from water damage. These include:

  • Basement waterproofing: Both interior and exterior systems.
  • Foundation repair: Crack injection, structural repairs, and sealing.
  • Crawl space encapsulation: Moisture barriers and drainage systems.
  • Sump pump installation and repair: Keeping basements and crawl spaces dry.
  • Exterior waterproofing: Protecting the foundation from the outside.

They also offer inspections and consultations to recommend the best waterproofing solutions for your home.

The timeline for waterproofing depends on the scope and complexity of the project:

  • Basement waterproofing or interior systems: Typically 1–3 days.
  • Foundation crack repairs: Can be completed in 3–8 hours for minor cracks.
  • Crawl space encapsulation: Most jobs are completed in 1–4 days.
  • Exterior waterproofing: May take 3–10 days due to excavation and additional labor.

Your waterproofing contractor will provide a timeline during your consultation, taking into account the size and specific needs of your home.

To choose the right waterproofing contractor, ask the following questions:

  1. Are you licensed and insured? 🛠️
  2. What warranty do you offer for your services?
  3. Do you have references or reviews I can see?
  4. What methods do you recommend for my home's waterproofing issues, and why?
  5. Does your quote include all materials, labor, and cleanup costs?

Getting clear answers ensures you’re working with a reputable company and staying informed about the process.

Most waterproofing work is minimally disruptive, though the level of disruption depends on the type of project:

  • Interior waterproofing systems involve working inside the home, which may limit access to certain areas for 1–3 days.
  • Exterior waterproofing requires excavation around your foundation, which can be more disruptive to landscaping but doesn’t impact the home’s interior.
  • Crawl space encapsulation usually affects your crawl space access but won’t interfere much with daily life.

Your contractor will let you know exactly what to expect and how to prepare for the work.

Permit requirements for waterproofing projects vary by city and state. In some areas, exterior waterproofing or significant foundation repairs may require permits. For homeowners in Alton, it’s essential to check with your local building department to determine what’s needed. A reputable company like Waterproofing Pros will often handle the permitting process for you. For detailed codes and regulations, visit your city's website or check out the International Code Council's FAQ.

While no solution can guarantee 100% waterproofing forever, many professional systems are long-lasting and highly effective. For example:

  • Interior systems often come with lifetime warranties against water intrusion into basements.
  • Exterior waterproofing can last decades when properly installed.
  • Crawl space encapsulation effectively prevents moisture issues for years with proper maintenance.

It’s crucial to maintain your waterproofing system (e.g., servicing sump pumps regularly) and address any new issues promptly to ensure the longevity of the solution.

Be cautious of these warning signs:

  • Lack of licensing or insurance: Always ask for proof.
  • High-pressure sales tactics: Reputable companies will give you time to make decisions.
  • Vague quotes: Ensure everything is itemized, including labor, materials, and cleanup.
  • No warranty offered: A reliable waterproofing solution should come with a warranty.
  • Poor reviews or no references: Look for a history of satisfied customers.

Taking the time to vet your contractor minimizes risks and ensures you get quality service.

Reviews for Waterproofing Pros

Quick Basement Fix, No Stress
Our basement started flooding after heavy rains, and we were panicking about long-term damage. Waterproofing Pros sent an expert out the next day who found the issue and installed a sump pump that afternoon. The peace of mind was priceless, and it cost less than we'd feared!
Lisa R.
Ratings icon
Home Sale Saved with Fast Waterproofing
Huge rainstorms exposed a leaking foundation in our old Denver home, and we worried about mold risk. Waterproofing Pros assessed everything within 24 hours and sealed the area fully in two days. Now we’re dry, safe, and saved over $800 compared to other bids!
Marcus T.
Ratings icon
Foundation Saved, Money Saved
Huge rainstorms exposed a leaking foundation in our old Denver home, and we worried about mold risk. Waterproofing Pros assessed everything within 24 hours and sealed the area fully in two days. Now we’re dry, safe, and saved over $800 compared to other bids!
Anna K.
Ratings icon

Why Hire Waterproofing Pros on The Builder Market?

Find Top-Rated Waterproofing Pros Near You

Related Services Near You

Learn More about Our Contributors

Maria Vierra avatar

Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

Brett Taylor avatar

Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Dec 5, 2025, 10:15:36 AM