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Verified Reviews for Basement Waterproofing pros in Mullins, SC

*The Angi rating for Basement Waterproofing companies in Mullins, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

*The HomeAdvisor rating for Basement Waterproofing companies in Mullins, SC is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

Last update on August 08, 2026

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

Avatar for Groundworks
Groundworks
4.3(
84
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Mullins, SC and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Warranties offered

"Hello, we recently got an evaluation. Dylan was great and knowledgeable. He even found a diagnosis underneath our house about water running that we weren’t aware. He, with his awesome customer service, made us feel comfortable and confident on having him checking around our place to get our estimate done. Thanks s much Dylan and Mount Valley Foundation."
Foundation
Foundation
Foundation
Foundation
Foundation

+13

99 neighbors recently requested a quote
Recommended by66%of homeowners
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Avatar for Carolina Energy Conservation, LLC
Carolina Energy Conservation, LLC
4.2(
118
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

Approved

In business since 2008

Free estimates

Small jobs welcome

"Great people to work with!! Job done well and super professional!"
Kitchen Solatube Before
Kitchen Solatube After
Leaky Can Light
Sealed Can Light
Master Bedroom (Before Solatube Install)

+22

Response time1 day
111 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Ben Franklin Plumbing of Florence
Ben Franklin Plumbing of Florence
4.6(
14
)
Basement Drainage Channels - Install

Serving Mullins, SC and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"On time , friendly, nice went right to work, fixed the problem then put a new garbage disposal in. My husband and I will call them again for sure thanks"
excavating, removing & replacing old lines
Additional Photos
replacing lines
Additional Photos
Additional Photos

+2

Response time11 hrs
1 neighbors recently requested a quote
Recommended by21%of homeowners
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Avatar for Lowcountry Foundation & Crawl Space Repair
Lowcountry Foundation & Crawl Space Repair
3.6(
24
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"Shane came out to stabilize our sinking sun room. He was great at explaining the process and kept me informed the whole time. Thanks!"
SmartJack System
After Encapsulation
Response time11 hrs
87 neighbors recently requested a quote
Recommended by40%of homeowners
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Tim Campbell
4.9(
32
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"Needed our main line to the septic tank unclogged on a Sunday afternoon. Tim was there at his estimated time and got the job done. Could not ask for better service. Would definitely use his services again."
Recommended by96%of homeowners
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Avatar for Best Breathing
Best Breathing
4.5(
45
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

In business since 1999

Emergency services offered

Warranties offered

"Contractor was thorough and explained everything that needed to be done. All work was done professionally and we are very happy with the results."
before picture
after picture
after pic
HEALTHY CRAWL SPACE
HEALTHY CRAWL SPACE

+27

Response time1 day
Response rate100%
Recommended by89%of homeowners
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Avatar for AdvantaClean of Coastal Carolina
AdvantaClean of Coastal Carolina
4.9(
15
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"We discovered mold around our vents inside of the house and called to have an inspection of our system. Eddie Geyer came to our home and was very professional (and polite) from the beginning to the end. We had several companies come out but chose this company due to their fair price, through inspection and professionalism. Mr. Geyer and his crew did an excellent job cleaning our vents (they had never been cleaned before). He answered all our questions and we feel confident that the vents are in much better condition now. I highly recommend this company."
Additional Photos
Additional Photos
Additional Photos
Recommended by100%of homeowners
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Avatar for Penderlea Gutter & Foundation Services
Penderlea Gutter & Foundation Services
4.9(
18
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"This pro is great at meeting the customers needs and wants. He was hired to spread 10 cubic yards of chocolate mulch delivered and spread. He even through in a complimentary yard cut, edge, and blew off the driveway. This job took his crew 1 day! Couldn’t be happier with the results!"
Operation dog house
Operation dog house
Operation dog house
Farmhouse Barndo!
Farmhouse Barndo!

+13

Recommended by85%of homeowners
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Avatar for CNT Foundations
CNT Foundations
4.5(
37
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"All work was completed as expected. Costs were reasonable and as expected. Bid came in better than competitor."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+270

Recommended by84%of homeowners
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Avatar for Cantey Foundation Specialists
Cantey Foundation Specialists
4.0(
32
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Mullins, SC and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"It went well… on time arrival, very professional!"
Before PolyLevel LIft
New Gutter Shutter System
Concrete Before Columbia, SC
Driveway Level & Lifted
This is just one of the foundation cracks we found on this foundation. It's what we call a stair-step crack.

+137

Recommended by90%of homeowners
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Showing 1-10 of 22
Basement Waterproofing FAQs, answered by experts

A leak under your foundation from a water supply line or sewage line is likely to lead to water pooling on certain areas of your property during rainfall, abnormally fast-growing or green grass in certain sections of your lawn, and differential settlement of your foundation, which can result in large foundation cracks, windows and doors failing to operate properly, a wavy or sloping roofline, or damages or irregularities in your interior walls, including cracks and bulging. If it’s a plumbing line embedded in your slab, you’ll also likely notice above-average water bills.

Regular inspections, proper drainage management, and ensuring soil stability help prevent future settlement issues.

In some circumstances, foundation refacing or repair may be a better option for your home than sealing a foundation. It’s always a good idea to take steps to prevent moisture problems in your foundation, but if there are any structural concerns, those will usually need to be fixed first. When dealing with foundation issues, it’s a good idea to get a professional opinion so you can avoid bigger problems down the road. 

If you don’t wish to dig it out and convert it into a finished basement, you can still encapsulate your crawl space to protect it from damage for an average cost of $5,500. Finishing a crawl space beyond this isn’t really worthwhile, as the low ceilings mean you won’t be able to use the area as living space.

The most expensive foundation repair method is to install helical piers. Helical piers are a type of steel pier used to support sinking foundations in areas with poor soil conditions or deep bedrock. This foundation repair method can cost up to $3,000 per pier, including labor, because of its material and labor-intensive installation process. Total foundation repair costs can easily reach over $20,000 using this method.

The Mullins, SC homeowners’ guide to basement waterproofing services

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

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