Get matched with top basement waterproofing pros in Lamar, TX

Q: How hard is it to add a basement to an existing house?

• <div><p>The difficulty of adding a basement to an existing house can vary depending on the house&rsquo;s location, the size of the basement, and the type and condition of the existing foundation. Adding a basement is a job best handled by the pros, so you&rsquo;ll need to enlist professional help for this project.</p></div>

Q: What are the most expensive parts of finishing a basement?

• <div><p>Anything having to do with the structure of your home, such as raising the ceiling, is usually the most expensive part of finishing a basement. Another project component that could be a surprisingly high expense is adding an exterior entrance. </p><p>The <a href="https://www.angi.com/articles/what-average-cost-add-exitwalk-out-my-finished-basement.htm">cost of a walkout basement</a> can be anywhere from $5,000 to $35,000.</p></div>

Q: Are slab leaks common?

• <div><p>Yes, slab leaks are fairly common, especially in older homes and places that are prone to earthquakes which can move home foundations. </p></div>

Q: What happens if soffits are blocked?

• <div><p>The purpose of soffits is to circulate air, so a blocked soffit means the air in your attic becomes stagnant. This can lead to a number of problems, mostly moisture-related, that can cause damage to your health and your home. The good news is that <a href="https://www.angi.com/articles/how-much-does-it-cost-repair-fascia-and-soffit.htm">unclogging soffits</a> is relatively straightforward, and if your attic is easy to access, an easy DIY project.</p></div>

Q: Does water damage always result in mold?

• <div><p>Water damage always poses a primary risk of mold and mildew, but growth is not guaranteed. The chances of mold developing depend on several factors, including the severity of the damage and how quickly the area is cleaned and dried. To prevent mold, you must act quickly&mdash;ideally within the first 24 hours. Clean up all water and thoroughly dry the affected area. If the damage is extensive, you were unable to address it immediately, or you suspect mold has already started to grow, it is best to assume it is present and hire a professional mold inspector or removal expert to assess the situation.</p></div>

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Verified Reviews for Basement Waterproofing pros in Lamar, TX

*The Angi rating for Basement Waterproofing companies in Lamar, TX 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 Lamar, TX 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 June 21, 2026

Reviewed in June 2026
The service was outstanding! Hannah was on top of it James Baker and Joseph were very knowledgeable and quick to get the problem resolved and us cooling in know time. I would highly recommend Baker A/C for anything you need!
Baker Air Conditioning & Heating
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Reviewed in May 2026
I had had a patio poured and some fence re-built. Both were done quickly and with care. I highly recommend him.
Reynaldo Iracheta's Construction
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Reviewed in October 2024
We had about 3 feet of flood water in our house from Hurricane Helene. Our house and belongings were in a complete state of devastation. We contacted CAT5 for inspection and met Nic onsite the same day. We felt confident in CAT 5s ability to help us with the flood damage in our home. CAT5...
Cat 5 Xtreme
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Reviewed in September 2024
I have used CERTi PRO for a water softener, a filtration system and replacement of two toilets over the last few months. Brandon, the owner, has been the person doing all 3 of my jobs and he will be the person I continue to use for any additional needs!!
Certi-Pro Plumbing, LLC
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Reviewed in September 2024
I was very please with the work they did building my Purlin covered patio and shed. The customer service was A+.
Triple G Welding & Construction
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Reviewed in July 2023
Very knowledgeable and pleasant. He vacuumed every single piece of dirt in my pool in 30 minutes. Tested the water and applied the needed chemicals and was finished in an hour. I was able to swim that day. He also cleaned out the entire filter system and reinstalled the grids.
Turners Pool Service and Pressure Washing, LLC
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Reviewed in March 2023
He did the drywall for my basement and it is actually great, helped me save more money because of his recommendations and he is very helpful. He is really a professional one.
Todd Firek Construction
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Reviewed in March 2023
After hurricane harvey our house roof was fine, but our shed was not. With so much going on it was not easy finding someone to do a smaller job. They were able to come in and get it done quickly, and did a great job. We would highly recommend them for anything we need done in the future. Very...
Roofing Solutions And Construction
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Reviewed in March 2023
For the size of my house the price was very reasonable. Excited to see how they work with our downpours.
A+ Seamless Gutters
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Reviewed in February 2023
Corey did some blown in insulation, and I would recommend him.
Advanced Spray Foam Insulation LLC
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Find Basement waterproofing pros in Lamar

Waylan mraz

New to Angi

Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Lamar, TX and surrounding areas

Approved

We bring your property back to life, very affordable and dependable

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Blanca

New to Angi

Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Lamar, TX and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Been doing house cleanings for more than 10 years and also doing outside lawn care and maintenance for the past 3 years.

Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

In business since 2004

Emergency services offered

Credit card accepted

"Excellent. Honest and quick work. Mr. King was able to get someone out on short notice, to shim/shiv the piers. They performed a full scale cleanup last year, and I will only use Basement kings for any of my crawlspace work. Best in Texas!"

Recommended by92%of homeowners

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Area Foundation Repair

5.0(

)

Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

"They did a good work. They were on time and very professional."

Recommended by100%of homeowners

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Sonny Wences Painting

4.5(

)

Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

In business since 2015

Free estimates

Emergency services offered

"Great, showed upon time. Very professional and knowledgeable."

+45

Response time1 day

Response rate100%

Recommended by89%of homeowners

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Uretek ICR South Texas, LLC

3.3(

)

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"Very professional and efficient. They finished the work in time as estimated by the contractor."

Recommended by100%of homeowners

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COASTAL BEND FOUNDATION REPAIR

4.2(

)

Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

"We added a room years ago to our home and the room leaked when it rained, the foundation repair fixed the problem, we are satisfied and grateful. God bless them."

Recommended by100%of homeowners

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A-1/All Pro Foundation Repair & Remodeling Specialist

4.8(

)

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

In business since 2006

Free estimates

Warranties offered

"Although Project Mgr/ Supervisor would be onsite, John the Owner would personally visit to see work done on Project."

A-1/All Pro Foundation Repair & Remodeling Spe

Response time3 days

Recommended by66%of homeowners

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Alexander's Foundations & Construction

3.2(

)

Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

Free estimates

Credit card accepted

"Diagnostic was great and repair went swiftly"

Recommended by58%of homeowners

Request Quote

Hampton Enterprise LLC

3.7(

)

Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lamar, TX and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"They were good. They were pretty fast and came on time. My overall experience with them has been good."

Recommended by60%of homeowners

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Showing 1-10 of 28

Basement Waterproofing questions, answered by experts

The difficulty of adding a basement to an existing house can vary depending on the house’s location, the size of the basement, and the type and condition of the existing foundation. Adding a basement is a job best handled by the pros, so you’ll need to enlist professional help for this project.

Anything having to do with the structure of your home, such as raising the ceiling, is usually the most expensive part of finishing a basement. Another project component that could be a surprisingly high expense is adding an exterior entrance.

The cost of a walkout basement can be anywhere from $5,000 to $35,000.

Yes, slab leaks are fairly common, especially in older homes and places that are prone to earthquakes which can move home foundations.

The purpose of soffits is to circulate air, so a blocked soffit means the air in your attic becomes stagnant. This can lead to a number of problems, mostly moisture-related, that can cause damage to your health and your home. The good news is that unclogging soffits is relatively straightforward, and if your attic is easy to access, an easy DIY project.

Water damage always poses a primary risk of mold and mildew, but growth is not guaranteed. The chances of mold developing depend on several factors, including the severity of the damage and how quickly the area is cleaned and dried. To prevent mold, you must act quickly—ideally within the first 24 hours. Clean up all water and thoroughly dry the affected area. If the damage is extensive, you were unable to address it immediately, or you suspect mold has already started to grow, it is best to assume it is present and hire a professional mold inspector or removal expert to assess the situation.

The Lamar, TX homeowners’ guide to basement waterproofing services

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

See all articles

Lawrence Bonk
•
Jul 20, 2026Jul 20, 2026
How Much Does Basement Waterproofing Cost? [2026 Data]
Need to fix basement water problems or safeguard your home from damage in the future? Use this basement waterproofing cost guide to budget appropriately.
Rachel Hoffman
•
Jul 9, 2026Jul 9, 2026
How Much Does It Cost to Finish a Basement? [2026 Data]
An unfinished basement has a lot of potential for a family room or guest suite. So how much does it cost to finish a basement? Read on for all cost factors.
Dan Simms
•
Jul 8, 2026Jul 8, 2026
How to Waterproof a Basement Like a Pro
Dealing with a damp basement? Follow these steps for DIY basement waterproofing to keep water and moisture out and boost your home’s energy efficiency.
Dan Simms
•
Jul 9, 2026Jul 9, 2026
What Is Basement Waterproofing and How Does It Work?
Struggling with a damp basement? Learn about basement waterproofing and how these tips can help keep your basement safe from the elements.
Deirdre Sullivan
•
Jul 20, 2026Jul 20, 2026
How to Keep Your Basement Dry and Get Rid of Moisture
Can’t seem to get rid of the moisture and mold in your basement? Learn why basements tend to hold moisture and how to get rid of moisture in the basement.
C.E. Larusso
•
Jul 8, 2026Jul 8, 2026
7 Reasons Water Is Seeping Through Your Basement Floor
Unearth the root causes of water seepage in your basement floor. Explore effective solutions to keep your basement dry and your home protected.