Why does my basement leak after heavy rain?

• <div><p>If your basement often leaks after heavy rain, it’s probably caused by hydrostatic pressure. When the ground is saturated with water, it can put pressure on the exterior of your home’s foundation, causing cracks in the basement wall and pushing water through any existing weak spots. Over time, hydrostatic pressure can cause structural damage to your home.</p></div>

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Q: What are the disadvantages of a crawl space?

• <div><p>Some disadvantages of crawl spaces are mostly regarding the air itself&mdash;moisture build-up and poor ventilation, which can cause problems both in the house and underneath it, even damaging the foundation itself. Crawl spaces are difficult to access and often invite unwanted pests during the hot summer months and the cold winter ones. These hard-to-seal spaces are also susceptible to water damage during periods of heavy rain or melting snow.</p></div>

Q: Can water penetrate through a concrete foundation wall?

• <div><p>Yes. Water can penetrate through a concrete foundation wall. This can happen whether or not you have cracks, as concrete is a porous material. You&rsquo;ll want to take steps to waterproof your basement or crawl space.</p></div>

Q: Can I enclose my crawl space?

• <div><p>Yes, you can enclose your crawl space. Enclosing your crawl space can promote energy efficiency and reduce the risks of pests and mold by limiting factors like humidity. It can also reduce heat loss, which is why doing so for the winter can make your home more comfortable.</p></div>

Q: Why does my basement leak after heavy rain?

• <div><p>If your basement often leaks after heavy rain, it&rsquo;s probably caused by hydrostatic pressure. When the ground is saturated with water, it can put pressure on the exterior of your home&rsquo;s foundation, causing cracks in the basement wall and pushing water through any existing weak spots. Over time, hydrostatic pressure can cause structural damage to your home.</p></div>

Q: How hard is it to put a bathroom in a basement?

• <div><p>Installing a bathroom in a basement isn&rsquo;t a project for most homeowners. Many parts&mdash;plumbing, electricity, and carpentry&mdash;go into this project, each requiring expert-level knowledge and tools. One miscalculation can lead to very expensive repairs. Plus, some homeowner&rsquo;s insurance might not pay for damages caused by a homeowner DIYing this project. You can protect yourself by allowing the pros to complete this job for you. </p></div>

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Verified Reviews for Basement Waterproofing pros in Papaikou, HI

*The Angi rating for Basement Waterproofing companies in Papaikou, HI 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 Papaikou, HI 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 07, 2025

Reviewed in January 2015
The owner of the company Bill Crane and his brother are friendly and personable guys. Had no issues with the estimate or contract process. Work commenced on agreed date. Work took a couple days to complete. Crew was prompt and easy to work with. All old roofing material that was torn off...
Chico Roofing & Solar Works
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Reviewed in April 2013
We got 3 estimates off of Angie's List. Mr. Kehler responded promptly to our request for a quote to remodel our basement recreation room. We expanded the scope of work with him and his estimate was the most appropriate for the additional work we asked for. His men were courteous and always on...
David J. Kehler Drywall Inc.
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Reviewed in February 2013
The guy from Attics To Basements Estate Sales was really really good. They take 30% out of the estate sale, and they handled everything. I didn't have to be there or set anything up. All I did was come by two days later and pick up my check. There was NOTHING left. If I ever unfortunately had to...
Attics To Basements Estate Sales
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Reviewed in November 2012
When I contacted the company to arrange the date of service, I mentioned that the apartment was actually empty thinking that this would be easier that an apartment full of personal belongings. To my surprise I was told that actually that would cost me more because they considered this a "move...
Elite Cleaning Services LLC
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Reviewed in February 2012
After cleaning out a house in Brooklyn, we had to get rid of approximately 100 contractor size bags of household trash and 25 pages of recycling. I called several companies regarding garbage collection and decided to use Frank Panetta's Green Ex after speaking directly to Frank. Why his...
GreenEx Cleanouts
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Reviewed in March 2011
They did everything well. They were prompt, punctual, and professional. They were easy to deal with, and easy to talk to. They provided some green material. They did a good job because there hasn't been a drop of water in the basement since then. From the outside it looks like different house.
IMFELD NURSERY LTD
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Reviewed in November 2008
We noticed a leak from the bathtub, down into our basement. We called, a guy came out quickly to assess the problem, but he was the only person available that day. He came back the next day with help and fixed the problem quickly. They cleaned up the mess they had to make to access the pipes....
Goodson Plumbing Inc
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Dorian Visionheart Dyer

4.80(

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Dorian Visionheart Dyer

4.80(

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Customers say: True professional

Recommended by 100% of Angi customers

I am a self-taught artist, initially drawn to experiment with pastels and colored pencil, and now working with acrylic on canvas. My art speaks for itself.

Basement Waterproofing questions, answered by experts

Some disadvantages of crawl spaces are mostly regarding the air itself—moisture build-up and poor ventilation, which can cause problems both in the house and underneath it, even damaging the foundation itself. Crawl spaces are difficult to access and often invite unwanted pests during the hot summer months and the cold winter ones. These hard-to-seal spaces are also susceptible to water damage during periods of heavy rain or melting snow.

Yes. Water can penetrate through a concrete foundation wall. This can happen whether or not you have cracks, as concrete is a porous material. You’ll want to take steps to waterproof your basement or crawl space.

Yes, you can enclose your crawl space. Enclosing your crawl space can promote energy efficiency and reduce the risks of pests and mold by limiting factors like humidity. It can also reduce heat loss, which is why doing so for the winter can make your home more comfortable.

If your basement often leaks after heavy rain, it’s probably caused by hydrostatic pressure. When the ground is saturated with water, it can put pressure on the exterior of your home’s foundation, causing cracks in the basement wall and pushing water through any existing weak spots. Over time, hydrostatic pressure can cause structural damage to your home.

Installing a bathroom in a basement isn’t a project for most homeowners. Many parts—plumbing, electricity, and carpentry—go into this project, each requiring expert-level knowledge and tools. One miscalculation can lead to very expensive repairs. Plus, some homeowner’s insurance might not pay for damages caused by a homeowner DIYing this project. You can protect yourself by allowing the pros to complete this job for you.

The Papaikou, HI 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

Dan Simms
•
Oct 17, 2025Oct 17, 2025
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Here’s Why Your Sump Pump Isn’t Working and What to Do About It
When your sump pump is not working, there are a few common culprits. Use this guide to discover everything you need to know about sump pump troubleshooting.