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Verified Reviews for Basement Waterproofing pros in Kapaa, HI

*The Angi rating for Basement Waterproofing companies in Kapaa, 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 Kapaa, 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 June 19, 2026

Find Basement waterproofing pros in Kapaa

Avatar for Pipeline Plumbing Oahu L.L.C.
Pipeline Plumbing Oahu L.L.C.
4.7(
35
)
Basement Drainage Channels - Install

Serving Kapaa, HI and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Stuart repiped my entire home, installed a mew water main AND relined my sewage piple"
After Renovation
Finished Product
Finished Product
Before Renovation
Additional Photos

+21

Response time11 hrs
Recommended by100%of homeowners
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Avatar for Tealii construction LLC
Tealii construction LLC
5.0(
6
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Kapaa, HI and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"Mana was AWESOME! Helped me with multiple projects. Would highly recommend. Super responsive and easy to schedule and very helpful, both in person and over text. Will hire again!"
Handymen Project
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+12

Recommended by100%of homeowners
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Avatar for Mercs.PWS
Mercs.PWS
5.0(
4
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Kapaa, HI and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"Painted my living room and bed room. Great quality I would definitely hire again."
Additional Photos
Additional Photos
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Additional Photos
Additional Photos

+54

Recommended by100%of homeowners
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Avatar for Ace Construction LLC
Ace Construction LLC
5.0(
3
)
Basement Drainage Channels - Install

Serving Kapaa, HI and surrounding areas

In business since 2020

Free estimates

Emergency services offered

"Ace Construction did a fantastic job with the installation of an entirely new septic system. They were able to get the job completed in a timely manner and took care of all the ins and outs. If you are looking for any excavation work or septic system installations then I would highly recommend this company."
Beginning the process of a septic system installation
Another hole for the water chamber/drainfield
Septic System Installation
Septic System Installation
Septic System Installation

+11

Recommended by100%of homeowners
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Avatar for SK Plumbing Service
SK Plumbing Service
4.8(
3
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Kapaa, HI and surrounding areas

In business since 2018

Free estimates

Credit card accepted

"This company provides professional services and has a great community/friendly communication skill set . They are very quick and easy to work with and is very diligent in getting the work done. Our architect company would highly recommend this plumbing company to others in need of their services."
Response time3 hrs
Recommended by100%of homeowners
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Basement Waterproofing questions, answered by experts

If you notice standing water under the deck after rainstorms, you may need a drainage system to efficiently move this water. You do not want standing water to rest against your foundation or against support posts for the deck, as this could cause significant structural problems over time. Make sure the area has proper grading, too.

Several types of insulation are effective for crawl spaces, with spray foam and rigid foam boards being two of the best options. Closed-cell spray foam insulation is a strong choice because it effectively repels moisture, resists biological growth, seals the air, and provides excellent thermal protection, especially in hard-to-reach areas. Rigid foam insulation boards are another excellent material as they insulate well, resist water damage, and will not settle over time like fiberglass or cellulose.

Whether to waterproof your basement from the interior or exterior depends on several factors, including your budget.

Exterior waterproofing is generally considered the superior method because it stops water at the source, preventing it from seeping into and damaging your basement walls. This approach offers the most protection, making it ideal if you use your basement for storage.

By contrast, interior waterproofing is often less expensive and requires less labor because the area is more accessible.

For maximum protection against water leakage and moisture, applying waterproofing measures to both the inside and outside is the best solution. However, if you must choose only one, stopping water from the outside is the most effective approach to preserve your foundation and prevent damage.

Most houses will have vents in the crawl space. This allows for air passage and energy retention, which in many ways can help control the temperature inside the home. If you are able to consider the cost of a crawl space encapsulation, you may not need your crawl space vents at all. 

Living in a finished basement is acceptable, but only if the space has the proper points of egress and includes smoke and carbon monoxide (CO) detectors to ensure the safety of the occupants. A good way to ensure your finished basement is suitable for use as living space is to get the basement finishing project properly permitted.

The Kapaa, HI homeowners’ guide to basement waterproofing services

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

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