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Best basement waterproofing pros near Gardena, CA

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

RSF Construction Inc.
1.0(
1
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gardena, 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!

Palm Construction, Inc.
5.0(
112
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gardena, 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
Palm Construction, Inc.
5.0(
90
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gardena, 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
Avatar for Monarch Concrete Coatings
Monarch Concrete Coatings
4.8(
17
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gardena, CA and surrounding areas

In business since 1985

Free estimates

Credit card accepted

"We had a second story deck that was leaking water into the garage. We got 4 companies to come and give us a quote.  Two of them were cheaper but they seemed as puzzled as we were about what to do and could not guarantee from future problems. The other company suggested rebuilding the entire deck and was way out of budget. Ryan from Monarch Custom Coatings came with a sample that had several layers to waterproof the deck - we were very impressed that he was very knowledgeable and has a lot of experience with this type of work. He and his crew worked very hard, always professional, prompt, courteous, and our deck looks amazing now. We were so happy with them that we hired them again to redo the garage floors. We have had bad experiences in the past with contractors, so we know that finding a good, reliable, and honest one is very hard and rare. We highly recommend Monarch Custom Coatings!"
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+19

Recommended by93%of homeowners
Avatar for US Home Developers Inc
US Home Developers Inc
4.5(
587
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gardena, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"My house was in shambles and required a full makeover. We also wanted to add a shower to the downstairs bathroom for my mom as she gets older and stairs are getting tougher. I got 6 estimates and most came back much higher than the one I received from US Home developers and their definitions of work to be provided was also very vague, and left a lot of room for additional fees. Belle gave me a very detailed contract outlining everything that would be done. Armando was our contractor and like Belle, he was an absolute pleasure to work with. The work was done very quickly and only took as long as it did because of wait times for material. Belle met with us a few times to shop for material and helped us through the design process which was very helpful because I was stressing out on this aspect. Armando made sure everything was the way I wanted it to be and was very flexible when it came to scheduling. At the end of job he even had all the junk in my backyard, which was a lot, picked up. I was so happy with the work they did downstairs that I decided to rehire them to do the upstairs. They even added roof replacement to the contract for an additional price that was much lower than the 4 other estimates I got. My house went from looking like it was straight out of an episode of Hoarders to looking like it’s straight out of a magazine. Couldn’t be happier!"
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+45

Recommended by91%of homeowners
Avatar for Action Services Inc
Action Services Inc
4.3(
609
)
Basement Drainage Channels - Install

Serving Gardena, CA and surrounding areas

In business since 1994

Free estimates

Credit card accepted

"I first used Action Services in March 2012 to clean a drain as part of a
coupon offer.  Even though they were quite far away, they honored the
offer and did a great job.  While they were there they gave me an
estimate on a leak I had in my finished basement.  They did a very
professional job on that -- so good that I had them come back again and
do a small remodel and install a washer and dryer in the house.  Even
though there were a few hiccups towards the end of that job with some
finishing, Action was very responsive and fixed everything to my
satisfaction, so much so that I hired them again in August to do some
major remodeling to rehab a garden shed into a home office.  They did an
A+ job on that, we are thrilled with the result, and would not hesitate
to hire them again.
"
Water Heater and Plumbing
Remodeling
Remodeling
Recommended by83%of homeowners
Avatar for Home Value of Fla
Home Value of Fla
4.5(
500
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Gardena, CA and surrounding areas

In business since 1994

Free estimates

Emergency services offered

"My rental property in Venice needed some unexpected repairs before the rainy season hit (a patio deck leaking into a downstairs bedroom and fallen rain gutter). After consulting many, many contractors and specialists I found Danny at Goodfellas. He was good at explaining the process his guys would take and gave a reasonable cost. My deck was waterproofed and re-tiled in two weeks. The workers were mindful of my tenants and cleaned up thoroughly when the work was complete. Overall it was a smooth experience. Danny is a pro.?"
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+140

Recommended by91%of homeowners
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Basement Waterproofing FAQs, answered by experts

Yes, the air from a damp basement can travel up into your living area through a process called the stack effect, so moisture, mold spores, and other debris in your basement air can all decrease your indoor air quality on your main floors. Additionally, damp basements can promote the rotting of building materials, which can damage flooring, insulation, and framing on your first floor in addition to materials in the basement.

Water that pools under pavers can erode the soil foundation and weaken the paver structure. In some situations, it can also cause mold and mildew growth. If that happens, you may need to start budgeting for the cost to build and install a patio to replace the damaged one.

Basements are commonly converted into game rooms. The potential challenges you may run into include controlling moisture, working with low ceilings, limited natural light, and the need for additional electrical or HVAC work. Addressing these issues can add to the total cost, but it ensures a comfortable and functional space.

Since basements are prone to water and moisture issues and the resulting problems can be expensive to repair and potentially damaging to your home, basement waterproofing is almost always worthwhile. Even for homes that haven’t experienced water infiltration, waterproofing the basement is insurance against facing expensive repair bills in the future. All basements will leak at some point, so fixing drainage issues and taking steps to prevent moisture and water infiltration is wise.

You should plan on waiting at least a year and ideally two to three years after construction before finishing your basement. This will give the foundation time to settle in response to the weight of your home and the expansion of the surrounding soil. You can then repair your foundation and seal any cracks as needed before finishing it to reduce your risk of future leaks or other issues.

The Gardena, CA homeowners’ guide to basement waterproofing services

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