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Avatar for Groundworks
Groundworks
4.4(
341
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Lamar, SC and surrounding areas

Approved (Corporate)

In business since 1986

Free estimates

Emergency services offered

"The team, led by Trevor, and assisted by Kenny, Terrell and Garrett, worked very well together to accomplish the work we needed done to alleviate water coming into our crawlspace. They were courteous, friendly, professional, and did not hesitate to answer all our questions and explain the process thoroughly. Trevor and team brought other problems to our attention which we have decided to have Mount Valley repair also. Trevor and Shawn helped us get the process going to replace floor joist damaged by water. I would recommend Mount Valley if you have foundation issues that need expert repairs!"
Foundation
Foundation
Foundation
Foundation
Foundation

+13

Response time1 day
106 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Ben Franklin Plumbing of Florence
Ben Franklin Plumbing of Florence
4.5(
13
)
Basement Drainage Channels - Install

Serving Lamar, SC and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

Florence Plumbing Maintenance, Repairs, and Installation Services\nWhether you’re dealing with the likes of a slow-moving drain, leaking water heater, or full-blown plumbing disaster, you must have a team of professionals you can rely on when your plumbing system fails. When you need a go-to plumber in Florence, turn to Benjamin Franklin Plumbing®.\n\nOur team provides authentic and trusted plumbing services to the homeowners in Florence and the surrounding areas. Our team takes the time to understand your plumbing issues and concerns, to better serve you and provide you with a solution that is made to last. We proudly serve Hartsville, Darlington, Effingham, Marion, Timmonsville, and surrounding areas!

excavating, removing & replacing old lines
Additional Photos
replacing lines
Additional Photos
Additional Photos

+2

Response time11 hrs
2 neighbors recently requested a quote
Recommended by23%of homeowners
Tim Campbell
4.9(
32
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, 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
Avatar for Southeast Plumbing & Gas, LLC
Southeast Plumbing & Gas, LLC
4.5(
55
)
Basement Drainage Channels - Install

Serving Lamar, SC and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"We had a pool installed in July. Now we are creating our outdoor living space. Other than time management its been great working with Bryan. He stays late to get the job completed and his pricing was the best I got out of 7 quotes. I then hired him to install a pump in my backyard and that too has went well. Currently, he is working on my filtration/aggeration issues to stop the rainwater from washing away my backyard. Bryan is always polite and patient to explain our choices and the cost benefits of them. I appreciate his text of photos & website for clairty. He's very thorough and always cleans up after himself. He recently hired an office assistant, so hopefully that will make a huge difference in his scheduled appointments & communication."
Multiple LP Gas Line Installation
Underground natural gas line
Underground natural gas line installation
Septic Systems Service and Usage
Water Filtration & Softeners Project

+85

Recommended by96%of homeowners
Avatar for Elite Services LLC
Elite Services LLC
3.9(
77
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, SC and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"Chelsea and T have been involved in 2 past projects in our house (a technology nook build and a mantle/fireplace/hearth build). The work is clean and precise. So clean and precise that they are redoing the kitchen and pantry currently. Chelseas virtual mock ups and ideas really helped direct us in what WE wanted. The kitchen/pantry isnt completed yet, but they knocked the first two projects out of the park by making the design flow with the existing surroundings to be eye popping, but look original as well. Im sure the kitchen/pantry will have the same result. I trust them."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+16

Recommended by75%of homeowners
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Basement Waterproofing questions, 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.

Whether to waterproof your basement from the interior or exterior depends on several factors, including your budget.

Exterior waterproofing is generally considered the superior method because it stops water at the source, preventing it from seeping into and damaging your basement walls. This approach offers the most protection, making it ideal if you use your basement for storage.

By contrast, interior waterproofing is often less expensive and requires less labor because the area is more accessible.

For maximum protection against water leakage and moisture, applying waterproofing measures to both the inside and outside is the best solution. However, if you must choose only one, stopping water from the outside is the most effective approach to preserve your foundation and prevent damage.

Installing a bathroom in a basement isn’t a project for most homeowners. Many parts—plumbing, electricity, and carpentry—go into this project, each requiring expert-level knowledge and tools. One miscalculation can lead to very expensive repairs. Plus, some homeowner’s insurance might not pay for damages caused by a homeowner DIYing this project. You can protect yourself by allowing the pros to complete this job for you. 

Waterproofing or encapsulating protects against moisture, preventing mold growth and structural damage. These services also enhance energy efficiency and improve air quality by keeping humidity levels in check.

Yes, water coming up from the floor should be treated as an emergency. If you're unable to either identify or stop the source of the water on your own, contact an emergency plumber right away. In addition to harming your flooring, standing or pooled water can lead to water-damaged concrete.

The Lamar, SC homeowners’ guide to basement waterproofing services

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