Best basement waterproofing pros near Cerritos, CA

Q: Should you have vents in a crawl space?

• <div><p>Most houses will have vents in the crawl space. This allows for air passage and energy retention, which in many ways can help control the temperature inside the home. If you are able to consider the cost of a crawl space encapsulation, you may not need your crawl space vents at all. </p></div>

Q: What happens if you don’t fix foundation problems?

• <div><p>If foundation problems are not fixed, they will likely worsen over time, leading to more complex and expensive repairs. Neglecting a damaged foundation can cause a range of issues, including:</p><ul><li><p><b>Structural Damage:</b> Minor problems like small cracks can escalate into major structural issues. This can damage the house above the foundation and, in severe cases, lead to foundation walls caving in or a total collapse.</p></li><li><p><b>Water Damage and Pests:</b> Moisture and water intrusion can cause flooding, mold growth, and pest infestations.</p></li><li><p><b>Health and Safety Risks:</b> Mold can lead to poor indoor air quality and other health risks, while structural instability poses a significant safety hazard.</p></li><li><p><b>Reduced Home Efficiency:</b> A compromised foundation can negatively impact your home's energy efficiency.</p></li></ul><p>To avoid these escalating problems and costs, it's best to hire a foundation repair company to address any issues as soon as you become aware of them. The earlier problems are discovered and fixed, the lower the repair cost will likely be.</p></div>

Q: How do I make sure my basement walls are waterproof?

• <div><p>To ensure your basement walls are waterproof, it's crucial to address any existing moisture issues before finishing. Inspect for signs of water seepage, such as dampness or discoloration, and repair any leaks or cracks. Install a vapor barrier to prevent moisture from penetrating the walls, and consider waterproofing paints or coatings.</p><p>Proper drainage systems, such as interior or exterior waterproofing, can also be beneficial.</p></div>

Q: How long does ice and water shield last?

• <div><p>In perfect conditions&mdash;meaning, no overexposure to the elements without roofing material on top of it&mdash;an ice and water shield can last for decades. In fact, many come with a limited lifetime warranty because they should last for a long time. If, however, the membrane is exposed to the elements during building or if there is a delay in installing the roofing material, it might only last up to 180 days if exposed to the elements. The key is to make it a layer of protection and then protect that layer by installing the roofing.</p></div>

Q: How often do you need to clean your crawl space?

• <div><p>Plan on cleaning your crawl space at least once a year, though twice a year is ideal. During the cleaning, remove any debris or dust and check for potential issues like pest infestations or water damage. The sooner you catch these issues, the easier (and cheaper) it will be to fix them.</p></div>

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Verified Reviews for Basement Waterproofing pros in Cerritos, CA

*The Angi rating for Basement Waterproofing companies in Cerritos, 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 Cerritos, 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 December 18, 2025

Reviewed in December 2025
Our bedroom had the original carpet from when the house was built 15+ years of stains and who knows what else trapped in there. I have allergies and was constantly sneezing in that room, so we finally decided to rip it out. Expert Home Builders pulled up all the old carpet and installed vinyl...
Expert Home Builders, Inc.
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Reviewed in July 2024
Jose and his Crew are well aware of this difficult project that has been underway and all determined it will be a successful one.Itâ s a little pricey but,it just needs to be done one way or no way.I will recommend this crew anytime and these team of his is very reliable to complete this job no...
Clear All Rooter Plumbing
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Reviewed in December 2023
Did a really great job. Trees and drought tolerant front yard done well! Did cut a wire in the front yard but quick reimbursement. An innocent accident.
Discount Tree Care Arborist, Inc.
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Reviewed in March 2023
James and Jose were very efficient even while dealing with the rain. They pointed out possible issues as they worked and remedied what they could. They even helped with a plumbing request my mother-in-law made of them while my wife and I were not home. I would definitely recommend them to...
Quantum Flooring
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Reviewed in October 2021
Elite Rain Gutters replaced our raingutters.Johnny gave us a great price and we are very pleased with the finished product.He even included fixing the fascia as part of the project.I would highly recommend this business to others.
Elite Rain Gutters, Inc.
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Reviewed in November 2019
I decided to remodel my basement , actually to convert for some other purpose. I sent a quotes to 6 contractors and offer from Venetian Builders was most acceptable. Yoav was my project manager, he was very helpful with his advises and he was completely honest. He handled some unexpected issues...
Venetian Builders Inc
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Reviewed in May 2019
We originally contacted this company to refinish the hardwood floors of our new home. The estimate they gave us was very competitive, so we hired them. However, once Victor began to pull up the carpet, he had to give us the bad news that the floors were so badly damaged, that he would basically...
Dynamic Hardwood Flooring
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Reviewed in February 2016
The contractor and his assistant came out to see the project. They only spent 10 minutes looking around, and that's when they decided it was from the outside coming in. I paid upfront and now it is unsatisfactory. It is worse then it was before they completed the project. I am disabled and am...
Crone Construction Inc
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Reviewed in August 2015
I interviewed four tile contractors for our master bath remodel. Duff Tile and Stone was not the lowest estimate, but the lowest bid did not include mortar and lathe waterproofing, it was a different method (tar paper & Hardibacker) which is faster and easier. My husband, a retired principal...
Duff Tile & Stone
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Reviewed in November 2014
Mike demo a cast iron tub and replace the open area with a handicap walk in shower.After demo the tub he torn the subfloor out and reinforce my floor with cement pad and 4x8 joists. He put in green board drywall on the bathroom walls and cement board below the tile floor and in the shower walls...
Mr Fixologist Handyman and Plumbing Services
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Top-Rated Basement waterproofing pros in Cerritos - Updated Nov 2026

Alpha Structural, Inc.

4.6(

241

)

Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Cerritos, CA and surrounding areas

Approved (Corporate)

In business since 1992

Free estimates

Emergency services offered

"Erinn was my initial contact and he gave a very through and fair estimate. We had structural work done to support floor joists and large beams under the garage that needed replacing. Ernesto and his team, Julio, Salvatore and Gilder worked tirelessly to complete the work and were respectful, punctual, informative and good humoured throughout the entire process. I would not hesitate to use them again or recommend them to others. A really great company!!"

Deck Expansion and Slope Failure with Retaining Wall

+323

Response time10 hrs

Response rate100%

10 neighbors recently requested a quote

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Art's Professional Services Inc.

5.0(

)

Basement Drainage Channels - Install

Serving Cerritos, CA and surrounding areas

Approved

Emergency services offered

Credit card accepted

Customers say: True professional

"Amazing. On-time. Was able to give me an estimate through texting and sending photographs. Huge time saver and very professional service. Water filter works great!"

+15

Response time7 hrs

Response rate100%

1 neighbors recently requested a quote

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cerritos, CA and surrounding areas

Approved

In business since 1986

Free estimates

Warranties offered

"Great customer service and good quality work. They installed two helical wall anchors in a retaining wall in my basement and it looks great."

+35

Response time1 day

5 neighbors recently requested a quote

Recommended by75%of homeowners

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RSF Construction Inc.

1.0(

)

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

Serving Cerritos, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

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Palm Construction, Inc.

5.0(

112

)

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cerritos, 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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Palm Construction, Inc.

5.0(

)

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Cerritos, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

"We worked with Ali (sales manager) and Tony (project manager), who took the time to design a project that made sense for our property and our budget, made a number of suggestions and recommendations and were never pushy or tried to "sell" us on something. The crew really went above and beyond to provide top quality workmanship and overall we were in very good hands. Highly recommended!"

Recommended by100%of homeowners

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

Serving Cerritos, CA and surrounding areas

In business since 1988

Free estimates

Emergency services offered

"I am glad I hired this company to do my flat roof. They are affordable, and they are experts at the job."

+290

Recommended by85%of homeowners

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

Serving Cerritos, CA and surrounding areas

In business since 1986

Free estimates

Credit card accepted

"This team arrived for work in the morning, and was complete by lunch. Outside wall repairs on MidCentury Modern, and full assessment to bring house up to modern seismic codes. Great feedback to close out, plus a solid warranty. These folks specialize in crawl space homes and keeping them solid."

The Sure Safe VR-1 Foundation is fully patented and backed with an ICC-ES Listing and Lifetime Transferable Warranty. ICC-ES listings are routinely required by building departments as proof of compliance with the International Building Code and International Residential Code. You can feel safe knowing your foundation is being repaired with certified, permitted, and patented methods. Almost all our repairs end up increasing the value of the home more than the cost of repairs. Contact us today to

The foundation of a house is the most important element of
the structure that requires the highest focus and attention
BECAUSE EVERYTHING YOU OWN SITS ON IT!

An ICC listing means the VR-1 foundation is certified to meet the Residential and International Building Codes which are required by all building departments, engineers, and architects throughout the United States and has a profound effect on the value of the home.

Recommended by92%of homeowners

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Monarch Concrete Coatings

4.8(

)

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

Serving Cerritos, CA and surrounding areas

In business since 1985

Free estimates

Credit card accepted

"It went very well! They were really professional and I had them also repair some weak spots. They were also very accommodating to the tenants."

+19

Recommended by93%of homeowners

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Your City Rooter and Plumbing

4.8(

)

Basement Drainage Channels - Install

Serving Cerritos, CA and surrounding areas

In business since 2022

Emergency services offered

Warranties offered

"Jake is my go-to person for any plumbing issues. He’s above all honest, knowledgeable, thorough, and very detailed."

3/4” water main service and potable water system repipe (PEX A and Copper)

+83

Response time1 day

Response rate100%

Recommended by92%of homeowners

Request Quote

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Showing 1-10 of 123

Basement Waterproofing FAQs, answered by experts

Most houses will have vents in the crawl space. This allows for air passage and energy retention, which in many ways can help control the temperature inside the home. If you are able to consider the cost of a crawl space encapsulation, you may not need your crawl space vents at all.

If foundation problems are not fixed, they will likely worsen over time, leading to more complex and expensive repairs. Neglecting a damaged foundation can cause a range of issues, including:

Structural Damage: Minor problems like small cracks can escalate into major structural issues. This can damage the house above the foundation and, in severe cases, lead to foundation walls caving in or a total collapse.
Water Damage and Pests: Moisture and water intrusion can cause flooding, mold growth, and pest infestations.
Health and Safety Risks: Mold can lead to poor indoor air quality and other health risks, while structural instability poses a significant safety hazard.
Reduced Home Efficiency: A compromised foundation can negatively impact your home's energy efficiency.

To avoid these escalating problems and costs, it's best to hire a foundation repair company to address any issues as soon as you become aware of them. The earlier problems are discovered and fixed, the lower the repair cost will likely be.

To ensure your basement walls are waterproof, it's crucial to address any existing moisture issues before finishing. Inspect for signs of water seepage, such as dampness or discoloration, and repair any leaks or cracks. Install a vapor barrier to prevent moisture from penetrating the walls, and consider waterproofing paints or coatings.

Proper drainage systems, such as interior or exterior waterproofing, can also be beneficial.

In perfect conditions—meaning, no overexposure to the elements without roofing material on top of it—an ice and water shield can last for decades. In fact, many come with a limited lifetime warranty because they should last for a long time. If, however, the membrane is exposed to the elements during building or if there is a delay in installing the roofing material, it might only last up to 180 days if exposed to the elements. The key is to make it a layer of protection and then protect that layer by installing the roofing.

Plan on cleaning your crawl space at least once a year, though twice a year is ideal. During the cleaning, remove any debris or dust and check for potential issues like pest infestations or water damage. The sooner you catch these issues, the easier (and cheaper) it will be to fix them.

The Cerritos, CA 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

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•
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•
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How Much Does It Cost to Finish a Basement in Los Angeles, CA? [2026 Data]
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•
May 26, 2026May 26, 2026
How Much Does Crawl Space Encapsulation Cost in Los Angeles, CA? [2026 Data]
A variety of factors can affect your total crawl space encapsulation cost in Los Angeles, CA. Here’s a breakdown of the cost of this project, whether you hire a pro or DIY.
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.