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Top-Rated Basement waterproofing pros in Lillian - Updated Nov 2026

Avatar for Apex Foundation Specialists, LLC
Apex Foundation Specialists, LLC
5.0(
6
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lillian, AL and surrounding areas

Approved

In business since 2023

Free estimates

Warranties offered

"Great company! Fantastic crew! Good morals! Impressive work ethic! Very clean, efficient, and timely! Had some cracking in my bicks and I was concerned none the less. I called 4 different foundation repair companies and I was immediately sold on Apex! There not the cheapest but to my personal experience they are absolutely the best. They told everything I needed to expect on the front end. And much to my surprise they fixed my foundation and bricks in less than a day. Then after all is said and done they have lifetime warranty?s on everything they do! If your having issues with your foundation, look no farther than Apex Foundation Specialist!!!"
5 neighbors recently requested a quote
I Green Solutions Inc
4.8(
5
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lillian, AL and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

At iGreen Solutions Inc., we are your trusted local experts specializing in comprehensive exterior and interior home solutions. From roofing and seamless metal gutters to energy-efficient insulation and professional mold remediation, we pride ourselves on reliability, great communication, integrity, and quality workmanship. We believe in keeping our customers fully educated throughout every step of their project to ensure the best possible results. Whether it's a small residential repair or a large commercial project, we offer free estimates and look forward to earning your business!

35 neighbors recently requested a quote
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Basement Waterproofing FAQs, answered by experts

The cost of basement waterproofing is $4,950 for the average homeowner. However, you could end up paying between $600 and $14,000, depending on factors like basement size, waterproofing method, and the region you live in. 

If you live in an area with heavy rainfall, you might be paying more for waterproofing than if you lived somewhere drier since waterproofing contractors would be in high demand. Likewise, a 500-foot basement costs between $2,500 and $5,000 to waterproof, but that price rises significantly for a larger basement.

A vapor barrier can last over 20 years, but they are vulnerable to pests, flooding, and other natural disasters. If your home weathers a storm or is treated for any pest infestation, make sure to have a drywall pro come check the integrity of your vapor barrier. It’s also important to have a pro install a vapor barrier since improper installation can lead to tears or leaks in the barrier that shorten its lifespan.

Encapsulation can take the place of crawl space vents since it protects the area from moisture and air all year round. Determining whether you should open or close crawl space vents can be complicated since it often depends on the weather and humidity. Skip this step by investing in crawl space encapsulation whenever possible.

Many prevention methods can be used individually or in combination to waterproof your basement. Some of the most common waterproofing methods include:

  • Using dehumidifiers 

  • Silicate concrete sealers

  • Vapor barriers 

  • Baseboard channels 

  • Drain tile systems

  • Waterproofing paint

  • Drainage systems

  • Epoxy injection

  • Interior French drains

  • Exterior excavation and waterproofing

  • Cement waterproofing

  • Weep tiles

  • Liquid membrane

  • Sheet membrane 

  • Yard grading

  • Gutters and downspouts

Water can seep into porous materials like wood beams, floor joists, and roof rafters within minutes, but they’ll need to see prolonged exposure before you have structural damage. Mold can start growing within 24 hours, and mold can eat away at the structural components over time. Wood rot is more of a concern, though. Wet and dry rot are fungal infections that set in in moist conditions and rapidly deteriorate wood, causing major structural damage within just a few months in some cases.

The Lillian, AL homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.