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Verified Reviews for Basement Waterproofing pros in Johnson, KS

*The Angi rating for Basement Waterproofing companies in Johnson, KS 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 Johnson, KS 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 March 23, 2026

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Avatar for Thrasher, Inc.
Thrasher, Inc.
4.1(
178
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Johnson, KS and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Thrasher has been awesome to work with on my basement project."
Basement Waterproofing Before and After
Concrete Repair Before and After
Thrasher Services
Thrasher Services
Thrasher Services

+12

Response time2 days
976 neighbors recently requested a quote
Recommended by85%of homeowners
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Avatar for Vantage Point Exteriors
Vantage Point Exteriors
3.8(
122
)
Basement Drainage Channels - Install

Serving Johnson, KS and surrounding areas

In business since 2012

Free estimates

Emergency services offered

"The windows were installed. A screen was damaged and to be replaced. After two years no screen and numerous calls. Their word and guarantee to us is worthless...... never again! I have learned a lesson........
"
Additional Photos
Before Vantage Point got the call
Another happy homeowner!
Before Vantage Point got the call.
Another happy homeowner!

+38

Recommended by73%of homeowners
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Pete's Construction, LLC
5.0(
4
)
Basement Drainage Channels - Install

Serving Johnson, KS and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"Very Professional. Honest hard working guys. They were a headed of estimate time of completion. Very transparent and go the extra mile. New equipment and all the proper attachments for the correct way to complete the job. I will recommend and use Pete for future projects."
Response time3 days
Recommended by100%of homeowners
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Avatar for Hampton Enterprise LLC
Hampton Enterprise LLC
3.7(
9
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Johnson, KS and surrounding areas

In business since 1989

Free estimates

Emergency services offered

"They were good. They were pretty fast and came on time. My overall experience with them has been good."
Additional Photos
Additional Photos
Recommended by60%of homeowners
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Basement Waterproofing questions, answered by experts

While it’s possible to seal a foundation yourself, it’s not recommended, as it’s a tricky and labor-intensive job. Foundation sealing is best left to the pros to save yourself time, remove the risk of doing it wrong, and keeping yourself safe. Call a foundation repair professional near you to see what the job will cost.

Yes, it is possible to over-dehumidify a house by removing too much moisture from the air. This can create an overly dry environment that negatively affects those with respiratory or skin issues, and may cause your skin, hair, and sinuses to feel dry. However, this is unlikely to happen with most modern dehumidifiers, as they are equipped with moisture sensors and adjustable settings. These features allow the unit to pause automatically when the desired humidity level is reached, preventing the air from becoming uncomfortably dry. In contrast, older or more basic dehumidifiers left running for too long could potentially over-dry the air. To avoid this, aim for a balance between removing excess moisture and maintaining a comfortable environment. You can often monitor your home's humidity levels using a modern thermostat for guidance.

Yes, it is generally unhealthy and can be dangerous to live in a damp basement. The damp air can negatively affect your breathing and lungs, and the moisture promotes mold growth and pest infestations. Inhaling mold spores or waste particles from insects and rodents attracted to the moisture can be hazardous. This damp, moldy air can also circulate into your main living area. It is crucial to resolve any moisture problems and implement preventative measures before using your basement as a living space.

The purpose of crawl space encapsulation is to prevent mold by blocking moisture and reducing humidity. If the vapor barrier is properly installed, it significantly reduces the chance of mold developing within the crawl space. However, mold can sometimes grow behind the encapsulation material, but it will be sealed away from the main area. Additionally, moisture can still condense inside the encapsulated space, so if you notice excess humidity, installing a dehumidifier is recommended to prevent mold and mildew growth.

If not properly maintained, an underground downspout may damage your home's foundation. A clogged downspout can back up, causing water to pool around the base of your home and seep into the foundation. Regular inspections and maintenance keep your downspout in good working order, preventing damage and protecting your home.

The Johnson, KS homeowners’ guide to basement waterproofing services

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