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Best basement waterproofing pros near Sun Valley, ID

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Top-Rated Basement waterproofing pros in Sun Valley - Updated Nov 2026

Avatar for Marathon Plumbing Co LLC
Marathon Plumbing Co LLC
5.0(
9
)
Basement Drainage Channels - Repair

Serving Sun Valley, ID and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

"Our sewer service between the city and the house failed due to poor materials when the house was built in '95. Once it was all exposed, it was easy to see what a poor system a less caring plumber had installed. Vince and company replaced it all quickly and easily with the proper materials. We use Vince exclusively for all of our plumbing needs."
Marathon Plumbing Co
12 neighbors recently requested a quote
Avatar for Chaud Company Plumbing Services LLC
Chaud Company Plumbing Services LLC
4.7(
28
)
Basement Drainage Channels - Install

Serving Sun Valley, ID and surrounding areas

In business since 1986

Credit card accepted

"Well. 1st plumber who looked at the system said shower valves needed to be replaced but that was a problem because there are no access panels. Chaub plummer advised valves were good quality and there was no need to replace. He replaced/installed new hardware and did a great job in a timely manner."
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Recommended by96%of homeowners
Avatar for Mountain Edge Plumbing LLC
Mountain Edge Plumbing LLC
5.0(
3
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Sun Valley, ID and surrounding areas

In business since 2022

Free estimates

Credit card accepted

"I had a major drain blockage that was backing up into my home, and Mountain Edge Plumbing came to the rescue! They were quick to respond, professional, and clearly knew what they were doing. They explained the issue, cleared the clog efficiently, and even gave me tips to help prevent it from happening again. Everything is flowing perfectly now. Highly recommend them for any plumbing issues—top-notch service from start to finish!"
Washer Box
Old Manifold
New Manifold
Response time4 days
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Basement Waterproofing FAQs, answered by experts

Standard homeowners insurance policies may cover basement water damage or flooding, but only if it is caused by a sudden and accidental event that is a covered peril, such as a burst pipe or a failing appliance. Damage caused by natural flooding from extreme weather, groundwater seepage, or heavy rain is typically excluded and requires a separate flood insurance policy. Some insurers also offer an optional water backup endorsement for issues like sewer backups. Review your policy or speak with your agent to understand your specific coverage.

External pressure on the basement wall can cause it to bow inward. Soil, heavy with water saturation, is commonly the main culprit. The soil exerts immense pressure on the wall, causing it to fail, at least partially. This is known as hydrostatic pressure—these situations can occur after rainfall or simply due to regular groundwater presence and may be temporary or more permanent.  

There are several small, inexpensive upgrades you can make to upgrade your basement. Although you still need to adhere to building codes and obtain permits when necessary, you can complete small but mighty tasks like painting the masonry walls and installing entertainment devices to make the space more usable. 

While water in your basement is unlikely to make you sick unless it’s coming from a sewage backup, mold is likely to start to grow in wet areas within 24 hours, and mold can make you sick. According to the Centers for Disease Control and Prevention (CDC), inhaling mold spores can cause allergy symptoms, including runny nose, itchy eyes, difficulty breathing, wheezing, and itchy skin. Individuals with pre-existing respiratory issues like asthma and immunocompromised individuals are at an elevated risk of symptoms when inhaling mold spores.

Yes, slab leaks are fairly common, especially in older homes and places that are prone to earthquakes which can move home foundations.

The Sun Valley, ID homeowners’ guide to basement waterproofing services

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