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Best basement waterproofing pros near Atwater, CA

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Top-Rated Basement waterproofing pros in Atwater - Updated Nov 2026

Avatar for Groundworks
Groundworks
3.1(
9
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Atwater, CA and surrounding areas

Approved (Corporate)

In business since 2023

Free estimates

Warranties offered

"The Groundworks folks (formerly Bay Area Underpinning) applied their foundation-underpinning technology and expertise to extend to bedrock, level, square up the foundation for an extensive house remodel. I was most impressed by the young man onsite supervisor, Josh who answered all my work done, how and why questions. I wish this info was provided up front by the estimator. (My design-build remodel contractor referred this company)."
Foundation
Foundation
Foundation
Concrete
Concrete

+16

113 neighbors recently requested a quote
Recommended by12%of homeowners
Avatar for Daisyslandscaping
Daisyslandscaping
4.2(
16
)
Basement Drainage Channels - Install

Serving Atwater, CA and surrounding areas

Free estimates

"The team came in and removed all our grass and weeds. They prepared the area to put in some plants and then put down the rock. It turned out better than we thought. We are very happy with our new back yard."
Landscaping Project
Landscaping - Hardscaping & Pavers Project
Landscaping Project
Landscaping Project
Landscaping - Hardscaping & Pavers Project

+57

Recommended by86%of homeowners
MandW construction
5.0(
1
)
Basement Drainage Channels - Install

Serving Atwater, CA and surrounding areas

Emergency services offered

"The work was excellent. The project was completed in the exact time frame that I was told when I hired them. I had numerous estimates given and M&W charged me a third of what had been quoted by other contractors. AND THEY QUOTED ME FIRST. They were also kind enough to work in a few other small projects I hadnt previously planned. The owner William is very professional and his crew is as well. They did a wonderful job and I will definitely call them first before any other contractor when I'm ready for more work in the future!"
Recommended by100%of homeowners
Avatar for King's Excavation & Construction
King's Excavation & Construction
New to Angi
Basement Drainage Channels - Install

Serving Atwater, CA and surrounding areas

In business since 2021

Free estimates

Kings Excavation is your premier choice for excavation and plumbing services in the Bay Area. With a strong emphasis on quality work and competitive pricing, we have earned a reputation for excellence.\n\nOur experienced team specializes in a wide range of services, including site preparation, trenching, septic system install, sewer line repair, and installation. We handle residential and commercial projects with precision and efficiency.\n\nWhat sets us apart is our commitment to customer satisfaction. We prioritize clear communication, timely delivery, and superior workmanship. Our clients trust us to deliver results that exceed expectations.\n\nChoose Kings Excavation for reliable service, competitive rates, and exceptional outcomes. Contact us today for all your excavation and plumbing needs.

Additional Photos
Additional Photos
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Additional Photos
Additional Photos

+8

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Basement Waterproofing FAQs, answered by experts

Yes, crawl spaces can attract bugs, especially since moisture tends to build up in the space, and moisture attracts pests. A good way to prevent pest infestation in your crawl space is to install a vapor barrier—called crawl space encapsulation—on the interior to seal the space, along with a French drain or some other kind of foundation drainage system outside to keep runoff out of your crawl space. You can also seal foundation cracks and repair damages to cut off access to pests.

A vapor barrier keeps moisture out of the crawl space, while insulation reduces the amount of unconditioned air—and sometimes moisture—that enters the space. Coupling a vapor barrier with insulation can help prevent humidity and related moisture damage in a crawl space while also making your home more energy-efficient. Just be sure to use insulation that won’t get damaged from moisture, like rigid foam board or expanding spray foam insulation.

While water in your basement is unlikely to make you sick unless it’s coming from a sewage backup, mold is likely to start to grow in wet areas within 24 hours, and mold can make you sick. According to the Centers for Disease Control and Prevention (CDC), inhaling mold spores can cause allergy symptoms, including runny nose, itchy eyes, difficulty breathing, wheezing, and itchy skin. Individuals with pre-existing respiratory issues like asthma and immunocompromised individuals are at an elevated risk of symptoms when inhaling mold spores.

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.

Water leakage through window openings is much more common in older homes, but it can also create issues with window frames that are improperly installed. If left unattended, water buildup can cause damage to surrounding fixtures, lead to harmful mold, and compromise the architectural integrity of your home. The potential damage that a water leak poses makes investing in weather- and water-proofing your window frames entirely worthwhile.

The Atwater, CA homeowners’ guide to basement waterproofing services

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