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 type of foundation repair is best?

• <div><p>The foundation repair that will work best varies based on the extent of the damage, the underlying cause, soil conditions, weather conditions, and more. Permanent foundation solutions like underpinning and exterior drainage solutions are better than temporary fixes that don&rsquo;t address the source of the issue. Some examples of more temporary solutions include <a href="https://www.angi.com/articles/how-much-does-mudjacking-cost.htm">mudjacking</a> or slabjacking, waterproof paint, and dampproofing. The best course of action is to have a reliable foundation specialist inspect your issue, treat the underlying problem, and restabilize your foundation.</p></div>

Q: Is a crawl space encapsulation necessary?

• <div><p>A crawl space encapsulation isn&rsquo;t always necessary, but it&rsquo;s a wise choice, especially if you live in an area that sees a lot of precipitation. Sealing a crawl space not only reduces damage caused by moisture, mold, and pests, but it also increases your home&rsquo;s value. It can also save you money by reducing energy bills and avoiding costly repairs for structural or foundation damage.</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: Does a crawl space add value to your home?

• <div><p>Yes, a crawl space can add value to your home. However, there is a higher chance of it adding value if it is an enclosed crawl space, as this reduces issues caused by excess moisture in the home. That being said, a basement does add more value than a crawl space. </p></div>

Q: Can mold grow in an encapsulated crawl space?

• <div><p>The purpose of crawl space encapsulation is to prevent mold and moisture from entering your space. If your vapor barrier is properly installed and intact, it will dramatically reduce the chance that your crawl space develops mold. That said, moisture can condense in the area. If you notice excess humidity, you may need to <a href="https://www.angi.com/articles/who-should-install-whole-house-dehumidifier.htm">install a dehumidifier</a> to stave off mold and mildew growth.</p></div>

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Verified Reviews for Basement Waterproofing pros in Waikoloa, HI

*The Angi rating for Basement Waterproofing companies in Waikoloa, 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 Waikoloa, 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 November 17, 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

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Dorian Visionheart Dyer

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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

The foundation repair that will work best varies based on the extent of the damage, the underlying cause, soil conditions, weather conditions, and more. Permanent foundation solutions like underpinning and exterior drainage solutions are better than temporary fixes that don’t address the source of the issue. Some examples of more temporary solutions include mudjacking or slabjacking, waterproof paint, and dampproofing. The best course of action is to have a reliable foundation specialist inspect your issue, treat the underlying problem, and restabilize your foundation.

A crawl space encapsulation isn’t always necessary, but it’s a wise choice, especially if you live in an area that sees a lot of precipitation. Sealing a crawl space not only reduces damage caused by moisture, mold, and pests, but it also increases your home’s value. It can also save you money by reducing energy bills and avoiding costly repairs for structural or foundation damage.

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.

Yes, a crawl space can add value to your home. However, there is a higher chance of it adding value if it is an enclosed crawl space, as this reduces issues caused by excess moisture in the home. That being said, a basement does add more value than a crawl space.

The purpose of crawl space encapsulation is to prevent mold and moisture from entering your space. If your vapor barrier is properly installed and intact, it will dramatically reduce the chance that your crawl space develops mold. That said, moisture can condense in the area. If you notice excess humidity, you may need to install a dehumidifier to stave off mold and mildew growth.

The Waikoloa, 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
How Much Does Crawl Space Encapsulation Cost? [2025 Data]
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How Much Does Basement Waterproofing Cost? [2025 Data]
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Nov 4, 2025Nov 4, 2025
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.
Ginny Bartolone
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Jul 8, 2024Jul 8, 2024
Who Can Inspect My Crawl Space?
Crawl space inspections should be as commonplace as roof and chimney checkups. Here's who to hire to inspect your crawl space.
D.P. Taylor
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Nov 5, 2025Nov 5, 2025
How to Hire a Basement Waterproofing Contractor
Waterproofing your basement is important to protect your home. Follow these tips to ensure that you hire the right waterproofing contractor for the job.