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Top-Rated Foundation, basement or crawlspace waterproofing / encapsulation pros in Timmonsville - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.4(
341
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Timmonsville, SC and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Emergency services offered

"I was not there during the work; however, the project manager was Great, he provided a daily progress report every evening. Texted photos of the project in different stages of their progress. He alerted me when there was an issue and provided sound recommendations and options. He stayed in budget but did not sacrifice quality and workmenship. General Background: The purpose of the project was leveling the house. The house was built on a crawl space about 30 years ago. Because the house was on a crawl space and the distance from the ground to the house was about two blocks high or about 22 inches high, a tunnel rat could not fit into that space to obtain an accurate assessment of the foundation issue. I know, I was a tunnel rat during one of my tours in Vietnam. Mount Valley Foundation Services project manager could only give me an estimate of the foundation issue. Based on his experience, he provided a very good estimate what was wrong and what it would take to level the house and cost. What that meant was they would have to tear out the subflooring exposing the crawl space area. Every room offered a new surprise; however, the project manager was on target regarding his assessment. I was very impressed regarding their workers, starting the project on time, they cleaned up the area before leaving every day. I am very glad I hired them to do this job. John Thomas"
Foundation
Foundation
Foundation
Foundation
Foundation

+13

Response time1 day
93 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Lowcountry Foundation & Crawl Space Repair
Lowcountry Foundation & Crawl Space Repair
3.6(
24
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Timmonsville, SC and surrounding areas

Approved

In business since 1995

Free estimates

Warranties offered

"My project was crawl space renovation. Devante and Mario were hard working and did a very meticulous job on our crawl space renovation. My wife said to tell you these guys deserve a promotion."
SmartJack System
After Encapsulation
Response time11 hrs
78 neighbors recently requested a quote
Recommended by40%of homeowners
Avatar for CNT Foundations
CNT Foundations
4.5(
37
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Timmonsville, SC and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"Like anyone that notices their home is starting to crack and move you feel overwhelmed. After hiring a structural engineer to tell us what what was going on we began the search for a foundation specialist. I interviewed three companies and after research selected CNT Foundations.
We are very happy with the outcome. They met all my criteria and deserve this recommendation. I expect excellence, attention to detail and integrity when I pay for a service. Victor and his three man crew met all these standards. I was kept informed, involved and allowed to observe what they were doing. The job site was left clean, my home was not damaged and the job was finished on time. Victor was on onsite to supervise every phase of the operation and address my questions. There was immediate follow-up to see if I was satisfied and I my account was adjusted when the cost of the service was less than expected. Before you go with a company that advertises on TV everyday give these guys a try. You will be glad you did.
Charles Icard


"
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+270

Recommended by84%of homeowners
Tim Campbell
4.9(
32
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Timmonsville, SC and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"Tim did a great job with the replacement of our water heater. Even though it was the day after Thanksgiving he moved some of his other appointments around to come to our home that afternoon. Tim and his assistant were careful to put on shoe covers in the house and to observe COVID 19 precautions. The job required more complicated plumbing since we have a desuperheater loop from our geothermal heat pump that connects to the water heater; the additional charge for this work was minimal. Tim was here until after 5:00 that evening, with the result that we had hot water over the weekend."
Recommended by96%of homeowners
Avatar for Cantey Foundation Specialists
Cantey Foundation Specialists
4.0(
32
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Timmonsville, SC and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Everyone we dealt with from Cantey Foundation Specialists were very professional, timely, and caring throughout the entire process from job estimate to the actual work done. While the work done did not bring all areas back completely to their original states, with the exception of one area, they were all pretty close. Realistically, It's very difficult to fix in two days what has taken place over a period of years. I am very satisfied with the job done. Grayson (job estimator) and Estevan (crew leader) were very helpful and great to work with through the entire process."
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
Avatar for Elite Services LLC
Elite Services LLC
3.9(
77
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Timmonsville, SC and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"Project went very well. T worked with me on concept and then his team did a great job. There were issues along the way and T communicated the issues and potential resolutions. In the end, the building turned out better than expected. T managed to the budget and there were no cost surprises.
"
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+16

Recommended by75%of homeowners
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FAQs for foundation, basement or crawlspace waterproofing / encapsulation projects in Timmonsville, SC

Yes, crawl space encapsulation is a good investment. It improves your home's energy efficiency and air quality, boosting its value. With routine inspections and maintenance, encapsulation provides a long-lasting solution to moisture and pest issues. Regular check-ups protect your investment, enhance energy efficiency, and maintain your home's structural integrity. If your home is prone to pests or moisture seepage, encapsulating your crawl space is definitely worth it.

A vapor barrier is a thin sheet of plastic that prevents moisture from seeping into your crawl space, while insulation prevents unconditioned air from entering. Combining both insulation and a vapor barrier creates a dry, temperature-stable environment. Some insulation products serve both purposes, enhancing energy efficiency and protecting against moisture and temperature fluctuations.

The Timmonsville, SC homeowners’ guide to foundation, basement or crawlspace waterproofing / encapsulations

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