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Verified Reviews for Basement Waterproofing pros in Olympic Valley, CA

*The Angi rating for Basement Waterproofing companies in Olympic Valley, CA 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 Olympic Valley, CA 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 July 14, 2026

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Avatar for Groundworks
Groundworks
4.9(
7
)

Serving Olympic Valley, CA and surrounding areas

Approved (Corporate)

In business since 1990

Free estimates

Warranties offered

"The team went above and beyond to make sure we understood everything that was being done during the project. Very kind and respectful team. Great work. Thanks to Foreman Erick Baez chia Juan Ortega, Bricio Contreras, Aamuel Ayala, Alonso Castaneda and Juan Valenzuela Diaz."
Basement
Basement
Basement
Basement
Concrete

+16

121 neighbors recently requested a quote
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SUPERBEST WATER DAMAGE & FLOOD REPAIR RENO LLC
New to Angi

Serving Olympic Valley, CA and surrounding areas

In business since 2023

Free estimates

Credit card accepted

SUPERBEST WATER DAMAGE & FLOOD REPAIR RENO LLC is the leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!\n

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Handle it handyman & construction
New to Angi

Serving Olympic Valley, CA and surrounding areas

In business since 2020

Free estimates

Emergency services offered

We are a full service handyman company with 25+ years combined experience. We have the experience to accomplish any task at hand. Our skills consist of \nRoof repair, siding and exterior aesthetic, gutters, windows, interior: kitchen/bath, sheet rock, paint , light electrical, plumbing, furniture installation, flooring/carpet, masonry, and much more. If you want it done right, we're here for you!

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+3

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Avatar for RTS Handy Help
RTS Handy Help
New to Angi

Serving Olympic Valley, CA and surrounding areas

In business since 2024

I'm Robert (owner/operator) I have been in the construction industry for 15 years I can help with anything from framing,drywall, painting, some plumbing,some electrical, general repairs and maintenance to putting furniture together, mounting TVs, hanging pictures we're just here to help make life alittle easier

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Basement Waterproofing questions, answered by experts

Water can seep into porous materials like wood beams, floor joists, and roof rafters within minutes, but they’ll need to see prolonged exposure before you have structural damage. Mold can start growing within 24 hours, and mold can eat away at the structural components over time. Wood rot is more of a concern, though. Wet and dry rot are fungal infections that set in in moist conditions and rapidly deteriorate wood, causing major structural damage within just a few months in some cases.

Proper basement ventilation is very effective at reducing humidity. Without enough ventilation, your basement is prone to mold and moisture damage. Your basement should have as much natural ventilation via windows and doors as possible, and if your budget allows, you should also consider installing an ERV system to keep basement humidity levels at bay.

Preventing future basement flooding often involves installing sump pumps, improving drainage, sealing foundation cracks, and maintaining gutters. Costs vary, but preventive measures can range from a few hundred to several thousand dollars, depending on the solutions chosen. Investing in prevention can save you money on future flooded basement cleanup costs and repairs.

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.

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

The Olympic Valley, CA 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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