Get matched with top basement waterproofing pros in Del Mar, CA

Q: Do you need crawl space vents for encapsulation?

• <div><p>Encapsulation can take the place of crawl space vents since it protects the area from moisture and air all year round. Determining whether you should <a href="https://www.angi.com/articles/crawl-space-vents-opened-or-closed.htm">open or close crawl space vents</a> can be complicated since it often depends on the weather and humidity. Skip this step by investing in crawl space encapsulation whenever possible.</p></div>

Q: Are there downsides to waterproofing the basement?

• <div><p>Some basement waterproofing methods can actually cause your water or moisture problems to get worse, which is why it&rsquo;s so important to call in a professional who knows how to solve your underlying issue and use the appropriate waterproofing methods. An example of this would be applying latex waterproofing paint to the insides of your basement walls without fixing the water issue outside. Doing so can trap moisture in the basement walls, which can promote mold growth, peeling paint, and even damaged concrete. However, when done by a professional, the only downside to basement waterproofing is the up-front cost. </p></div>

Q: What material do you use to waterproof a basement?

• <div><p>&ldquo;Basement waterproofing&rdquo; sometimes refers to applying a waterproof sealant to basement walls, in which case you would use a waterproof paint, often made of latex. However, there are many methods you can use to waterproof a basement, including exterior drainage systems, interior drainage systems, dehumidifiers, and more. As such, the materials you use can vary depending on the methods you use.</p></div>

Q: How is damp proofing different from waterproofing?

• <div><p>Damp proofing and waterproofing are both methods to help keep your basement dry. Damp proofing keeps soil moisture from entering your basement, which is helpful since your basement is underground. Waterproofing, however, keeps both soil moisture and liquid water out of the basement, which is essential, especially if you live in a wet environment. Because it&rsquo;s more protective, waterproofing typically costs more than damp proofing. </p></div>

Q: Does homeowners insurance cover the cost of slab leaks?

• <div><p>Whether your homeowners insurance covers slab leak repairs depends on your specific policy and the cause of the leak. Many policies cover slab leaks resulting from a covered peril, such as a natural disaster, a falling tree, or pipes freezing and bursting within the slab. However, damage caused by invading tree roots, corrosion, or leaks from appliances may not be covered by a standard policy. It's a good idea to also check your home warranty plan for potential coverage if an appliance is the source. Contact your insurance provider for a full explanation of what your policy covers.</p></div>

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Verified Reviews for Basement Waterproofing pros in Del Mar, CA

*The Angi rating for Basement Waterproofing companies in Del Mar, 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 Del Mar, 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 May 05, 2025

Reviewed in May 2025
Jade Flooring did a wonderful installation in our basement. Owner Wade was extremely helpful (and knowledgeable) in helping us select the right material for our basement floors. The installation crew was timely, respectful and efficient, and very good communicators. The floors look fantastic.
Jade Floors
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Reviewed in March 2024
I had a water leak in my basement, and I contacted Cal Coast Water Damage for assistance. Their team was incredibly responsive and arrived promptly. They assessed the situation thoroughly and explained the necessary steps to mitigate the damage. Throughout the restoration process, they...
Cal Coast Water Damage
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Reviewed in August 2023
We had to replace the waterproof paper under our clay tiles due to a leak. Zenith earned the business due their best in class detailed proposal. The sales person, Bryan was terrific, knowledgeable, and quick to respond. The work was done on time at the quoted price and in the time period...
Zenith Roofing Services
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Reviewed in December 2021
did a terrific job on making exterior doors more waterproof and explained how water enters with high winds.even readjusted shutter panel on one door so door handle wouldn't catch. And $20 BELOW estimate. Cleaned up afterwards. will keep him in my go-to file for doors and finish carpentry!
Derek Finnegan, Inc.
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Reviewed in March 2017
The stucco job on 10/1/2016 was a pretty good match, and everything seemed fine until we started getting heavy rain. The waterproofing that had been done by the window installers was apparently compromised during the subsequent installation of the frame and/or stucco by JL Stucco, leading to...
JL Stucco
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Reviewed in January 2017
Matthew and his team were great, they tackled a huge project to redirect water under my home , provide the correct drainage and encapsulate my basement. This was a big, time consuming project that successfully dried out my basement, and created a stable, humidity controlled environment in what...
Damage Restoration Services, LLC
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Reviewed in April 2013
Walls had to be scraped and cleaned of old paint and prepped for new waterproof paint. Job was performed as described in estimate. Work was neat, clean, on time and professional. <br />
Superior Stucco
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Reviewed in January 2013
They installed the drain around the basement wall and the sub pump in the corner of the basement. They filled all the concrete back up. Previous there was a lot of water and now theirs none. They were always their to explained what you needed. I am very happy with the overall service.
The Leaky Cellar
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Reviewed in April 2010
It went fine. They were originally supposed to come out on a Monday but had to reschedule for Tuesday. No big deal. The technician performed the drain cleaning and informed me that I had very little slope on my flat roof (something the roofer had noticed as well) and he suggested that I have...
PIPES PLUMBING
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Find Basement waterproofing pros in Del Mar

Basement Drainage Channels - Install

Serving Del Mar, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I have been with them for years with no problems with their Installation or Service. Their staff is always on time and professional."

Using the sewer camera to inspect the inside of a customer's drains

Camera inspection through a sewer vent on a customer's roof

Hydro jet uses water at 4,000psi to clean the inside of the mainline drain which connects all the home's drains to the city's sewer system.

Using a snake we can go through the cleanouts on the side of the house.

With the cleanouts snaked, and the blockage located, we can send the hydro jet through the sewer vent and flush out the blocked drain.

+16

Response time10 mins

15 neighbors recently requested a quote

Recommended by92%of homeowners

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Del Mar, CA and surrounding areas

Approved

In business since 1986

Free estimates

Small jobs welcome

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

+29

Response time3 days

Response rate93%

35 neighbors recently requested a quote

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

Serving Del Mar, CA and surrounding areas

Approved (Corporate)

In business since 2021

Free estimates

Warranties offered

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

+21

9 neighbors recently requested a quote

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Same Day Heating, Cooling, Plumbing

4.4(

)

Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Del Mar, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Installers were professional and friendly."

Response time1 day

43 neighbors recently requested a quote

Recommended by86%of homeowners

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RSF Construction Inc.

1.0(

)

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

Serving Del Mar, 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 Del Mar, CA and surrounding areas

In business since 2016

Free estimates

Credit card accepted

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you're going through. We know every customer has different desires, different needs and different schedules. We're not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

Recommended by100%of homeowners

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Palm Construction, Inc.

5.0(

)

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Del Mar, 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 Del Mar, 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 Del Mar, CA and surrounding areas

In business since 1985

Free estimates

Credit card accepted

"It went fine. They showed up on time. They did exactly what they said they were going to do. They left properly."

+19

Recommended by93%of homeowners

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Palm Construction, Inc.

4.6(

131

)

Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Del Mar, CA and surrounding areas

In business since 2016

"We met with several companies before deciding to go with Palm Construction and we are very happy we chose them. Omri and his team were on time, professional and gave us a great price. They replaced our roof in less time than we even hoped! We are so impressed with the quality of work they did and for a good price! We highly recommend them!"

Response time3 hrs

Response rate97%

Recommended by91%of homeowners

Request Quote

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Showing 1-10 of 60

Basement Waterproofing questions, answered by experts

Encapsulation can take the place of crawl space vents since it protects the area from moisture and air all year round. Determining whether you should open or close crawl space vents can be complicated since it often depends on the weather and humidity. Skip this step by investing in crawl space encapsulation whenever possible.

Some basement waterproofing methods can actually cause your water or moisture problems to get worse, which is why it’s so important to call in a professional who knows how to solve your underlying issue and use the appropriate waterproofing methods. An example of this would be applying latex waterproofing paint to the insides of your basement walls without fixing the water issue outside. Doing so can trap moisture in the basement walls, which can promote mold growth, peeling paint, and even damaged concrete. However, when done by a professional, the only downside to basement waterproofing is the up-front cost.

“Basement waterproofing” sometimes refers to applying a waterproof sealant to basement walls, in which case you would use a waterproof paint, often made of latex. However, there are many methods you can use to waterproof a basement, including exterior drainage systems, interior drainage systems, dehumidifiers, and more. As such, the materials you use can vary depending on the methods you use.

Damp proofing and waterproofing are both methods to help keep your basement dry. Damp proofing keeps soil moisture from entering your basement, which is helpful since your basement is underground. Waterproofing, however, keeps both soil moisture and liquid water out of the basement, which is essential, especially if you live in a wet environment. Because it’s more protective, waterproofing typically costs more than damp proofing.

Whether your homeowners insurance covers slab leak repairs depends on your specific policy and the cause of the leak. Many policies cover slab leaks resulting from a covered peril, such as a natural disaster, a falling tree, or pipes freezing and bursting within the slab. However, damage caused by invading tree roots, corrosion, or leaks from appliances may not be covered by a standard policy. It's a good idea to also check your home warranty plan for potential coverage if an appliance is the source. Contact your insurance provider for a full explanation of what your policy covers.

The Del Mar, 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

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.