How do you keep moisture out of a brick wall?

• <div><p>Brick is designed to absorb moisture, but it is also designed to let it evaporate as well. So in general, the goal shouldn’t necessarily be keeping moisture out but making sure it has the room to breathe. If you have excess moisture getting through your brick wall, it’s more likely that you have a crack or other issue at play that a typical sealant won’t fix. So, instead of investing in sealant, try <a href="https://www.angi.com/articles/how-much-does-repairing-brick-wall-cost.htm">repairing your brick wall</a> instead. </p></div>

How do I remove standing water around the foundation?

• <div><p>French drains and yard grading systems are two highly effective ways to fix standing water around the foundation. Since the French drain uses a perforated pipe covered by gravel, you won’t have to worry about water taking the soil away from your foundation. Meanwhile, yard grading levels out the ground to prevent water from gathering around your foundation.</p></div>

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Q: What happens if a crawl space is not vented?

• <div><p>If a crawl space isn&rsquo;t vented, there can be moisture buildup, which can lead to mold damage, easily destroying the foundation of your home. A closed-off crawl space can trap heat, which can be useful in the winter, but can also trap dangerous gases and prevent clean air from entering the home through the floorboards. </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: How long does foundation sealant last?

• <div><p>You&rsquo;ll need to reseal the foundation <b>every five to 10 years, </b>depending on the sealant you&rsquo;ve used, the moisture conditions present in and around your home, and the condition of your foundation. Having a foundation inspection conducted before reapplication can help you catch any problems before you begin resealing. Of course, if you notice any new leaks or other moisture problems at any time, it may be necessary to reseal the foundation sooner.</p></div>

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Verified Reviews for Basement Waterproofing pros in Merced, CA

*The Angi rating for Basement Waterproofing companies in Merced, CA 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 Merced, CA 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 November 07, 2025

Reviewed in November 2025
Had sprinklers installed for trees in my backyard. Work was quick and very professional. He was very nice and did the work exactly how I described. His work exceeds expectations! I highly recommend!
K & K Landscape Services Inc.
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Reviewed in May 2025
William was amazing!!! He fixed some plumbing issues I had and fixed a wall and painted it. He also cleared out a shed for me and fixed a door, he did many other things I needed done. Definitely hire him for the job!
William Dobson - Unlicensed Contractor
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Reviewed in September 2024
Thrilled with the results. Home is 35 years old and had some water damage in rear. The repairs are absolutely invisible. They matched the siding and replaced one back wall. Honestly called to tell me the insulation was perfect and would not need to be replaced. Job finished in less time than...
Crafted Handyman Services
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Reviewed in April 2024
They did an awesome job. All my concrete work for building my house was done by them. From foundation, patios, and driveways, they will get the job done
XS CONCRETE INC
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Reviewed in February 2024
We had a new pool, put in with a lot of cement decking, and a waterfall and quartz, but in the surface of the pool
El Dorado Pool & Spa
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Reviewed in January 2024
The work was amazing. not only they did it on time they were early for the amount of concrete three truckloads. It was done in five hours. That was awesome. They knocked it out. Got it done and I provide lunch for them because they did an amazing job. The job turned out great I would recommend...
DT CONCRETE
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Reviewed in June 2023
Service was amazing, replaced drywall that had water damage
Mr. Fixer Handyman services
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Reviewed in August 2022
No hesitation in recommending this business-great service, very helpful and professional. This was an emergency install during the time the weather was over 104. So grateful to this business for helping me out and not taking advantage of me! Highly recommend. You do not find service providers...
The Air Doctor Heating & Air
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Reviewed in May 2022
This is without a doubt the very best customer service ever. We called them when we had no water and they sent someone over the same day. The next day Dave was here at 7:30 am and had us up and running within 4 hours. We were out of water less than 24 hours. The installer, Dave, upgraded...
Pump 'N Water, Inc.
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Reviewed in February 2022
We had our juilet Porch repaired due to years of water damage. Both workers, Gary and Joe were extremely knowledgeable, professional job and very personable. We willbe calling them for future work. The cost for ther service was a fair, exellent value. They were on time and cleaned up before...
Mr. Handyman of Johnson City
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Find Basement waterproofing pros in Merced

Groundworks

3.1(

)

Serving Merced, CA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"Groundwork’s did an amazing job. Our home was settling and they were able to lift it. The process was quick and all employees from sales to crew were all very professional."

+16

105 neighbors recently requested a quote

Recommended by12%of homeowners

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Palm Construction, Inc.

5.0(

112

)

Serving Merced, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"Very professional. Completed the job in two weeks. The deliverables were as promised. They were very independent, requiring only minimal involvement from the client. However, communication with the owner could be enhanced a bit."

Recommended by100%of homeowners

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Hampton Enterprise LLC

3.7(

)

Serving Merced, CA and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"I only use James when I need some work done to my house. He responds fast, gets the work done quicker than just about anyone else I've ever used and seems very concerned with leaving his customers happy."

Recommended by60%of homeowners

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A.K.I.I.

New to Angi

Serving Merced, CA and surrounding areas

In business since 2003

Free estimates

K.T.W. Land Development provides local area consumers with superior quality land development and construction services. With years of experience in the industry, you can be sure your project will be handled promptly and professionally. Call K.T.W. Land Development today to schedule an appointment for your project estimate!

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Basement Waterproofing questions, answered by experts

Brick is designed to absorb moisture, but it is also designed to let it evaporate as well. So in general, the goal shouldn’t necessarily be keeping moisture out but making sure it has the room to breathe. If you have excess moisture getting through your brick wall, it’s more likely that you have a crack or other issue at play that a typical sealant won’t fix. So, instead of investing in sealant, try repairing your brick wall instead.

French drains and yard grading systems are two highly effective ways to fix standing water around the foundation. Since the French drain uses a perforated pipe covered by gravel, you won’t have to worry about water taking the soil away from your foundation. Meanwhile, yard grading levels out the ground to prevent water from gathering around your foundation.

If a crawl space isn’t vented, there can be moisture buildup, which can lead to mold damage, easily destroying the foundation of your home. A closed-off crawl space can trap heat, which can be useful in the winter, but can also trap dangerous gases and prevent clean air from entering the home through the floorboards.

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.

You’ll need to reseal the foundation every five to 10 years, depending on the sealant you’ve used, the moisture conditions present in and around your home, and the condition of your foundation. Having a foundation inspection conducted before reapplication can help you catch any problems before you begin resealing. Of course, if you notice any new leaks or other moisture problems at any time, it may be necessary to reseal the foundation sooner.

The Merced, CA 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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