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Best basement waterproofing pros near Lewiston, ID

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

Avatar for Groundworks
Groundworks
4.2(
924
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Lewiston, ID and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Small jobs welcome

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+9

25 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for MTU Services LLC
MTU Services LLC
5.0(
5
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Lewiston, ID and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"went very well. service was prompt, work was completed efficiently, thoroughly, and timely. everything was explained beforehand during bid in such a way that even someone who knows nothing about the work involved could understand. honest people who know what they are doing. treated our residents with respect. and help to maintain a safe path for them to travel through our main entrance. if you need the services they offer these are the ones to do it. fair pricing as well. only ones I found that actually guarantee the work they do for this type of job."
Elevator pit waterproofing and sealing
Piers under an existing home
Piers under an existing homes middle wall
Solutions/Answers
Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for Three Bear Contracting, LLC
Three Bear Contracting, LLC
5.0(
8
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - Install

Serving Lewiston, ID and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"Justin provided some solutions to a foundation project and helped fix an irrigation problem with same day service. Justin is very knowledgeable and willing to explain the problem and how best to fix it."
Septic System Installation
Septic Tank Installation
Dome Chamber Drain Field Installation
Dome Chamber Drain Field Installation
New Septic Installation

+4

Response time2 days
9 neighbors recently requested a quote
Recommended by100%of homeowners
Showing 1-10 of 11
Basement Waterproofing FAQs, answered by experts

Crawl space encapsulation typically lasts between 10 to 20 years. If you experience a catastrophic event, like a flood, or poorly encapsulate your space with low-quality materials, it may only last a decade. Otherwise, as long as you properly maintain your crawl space, a high-quality encapsulation can last more than 20 years.

Rigid foam board insulation is one of the safest insulation materials for basement walls. The panels offer a moisture barrier to prevent mold and mildew build-up. At the same time, this material is also fire-resistant, so you don’t have to worry as much about a fire breaking out as you would with spray foam insulation. 

Yes, barndominiums can have basements. Barndominiums are typically built over concrete slabs, so barndo basements are not very common. However, it is possible to include a basement in a barndominium blueprint as long as you’re building completely from scratch. Barndos can have the same types of basements as traditional homes, including full or walk-out basements.

The best basement waterproofing method depends on the specific issue causing the water intrusion. For minor problems, simple solutions like installing a properly functioning gutter system to direct runoff away and grading the soil to slope away from your foundation can be effective.

If you have more significant water problems, the solution will need to be more robust:

  • For standing water on the basement floor, a floor drain or a sump pump system may be the best solution.

  • For water pooling around the foundation, installing an exterior French drain can intercept water before it reaches the basement walls.

Other effective waterproofing methods, which can be used depending on your home's specific needs, climate, and soil type, include sealing the interior walls, landscape alteration, installing interior drainage systems, and using a dehumidification system to control moisture levels.

Several factors can impact the cost of waterproofing your basement. Some of the most common cost factors include:

  • Location

  • Square footage

  • Cause of the water leak

  • Type of foundation

  • Accessibility

  • Waterproofing method

  • Materials

  • Contractor experience and availability

  • Engineering reports, if needed

  • Structural and other repairs

  • Permits

The Lewiston, ID homeowners’ guide to basement waterproofing services

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