Damp or Wet Crawl Space?

Keep your crawl space dry with a reliable battery-backup sump pump.

Crawl Space Repair & Encapsulation

Encapsulating your crawl space significantly lowers your utility bills.

Mold Problems?

We offer crawl space humidity repair to fight damage from mold and rot.

expert waterproofing & foundationspecialists you can trust

Greater Bay Area Crawl Space Repair Experts

Serving San Jose, Fremont, Oakland & all Nearby

Unwanted water and moisture under your home, left unattended, can bring a whole host of problems, from mold to mildew to structural damage. This is not a do-it-yourself job and it takes a Crawlspace Specialist to do the job right. The good news is that Clean CrawlSpace Inc. has been providing California homeowners with permanent crawl space waterproofing for over a decade.

We completely encapsulate your crawl space, sealing out external air, humidity and moisture. A patented system including a crawl space sump pump and humidifier is installed along with proper insulation. The end result is a dry, clean, protected crawl space. If your home is suffering from mold issues, damp or humid air, accumulating water or anything related to a nasty crawl space environment, don't hesitate to contact us today! We serve homeowners in San Jose, Fremont, Oakland, and throughout the Greater Bay area.

Why California Homeowners Choose Us

Fast, Professional Installations

Certified, Insured Installers

Extensive, Written Warranties

Free, Written Estimates


As a locally owned and operated company, we at Clean CrawlSpace Inc. strive to improve ourselves and our community. We only use patented crawl space products that have been proven to work. We stand behind our system and upon completion of a project you receive a 25-year, written warranty. Our employees, encapsulating your crawl space, have received extensive training and certification by Basement Systems Inc., the world's largest network of basement and crawl space waterproofing contractors.

You will not only be pleased with the end result of our crawl space repair work but also completely satisfied with our service. We keep our word. This means we only charge what was agreed upon, no hidden fees. We arrive on time and finish on schedule. We answer all your questions and provide the promised encapsulation system. Our dedication to quality service has helped us maintain our A+ rating in the Better Business Bureau. Clean CrawlSpace Inc. provides permanent crawl space waterproofing and protection while ensuring your complete satisfaction.

Our customers think we're great

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Thousands of Satisfied CA Customers

We have protected over 2,500 crawlspaces throughout the Greater Bay Area and Northern California since 2003. We specialize in Crawl Space Encapsulation, Crawl Space Dehumidification, Crawl Space Drainage, and Sump Pump Installation. The vapor barrier and dehumidifier we install in your home keeps any excess heat and moisture out, preventing mold growth and rot. The insulation we install helps maintain the comfort of your home. The sump pump removes any water from leaks or bursts pipes. After we finish, you will have a completely protected crawl space.

To get started, give us a call at 1-866-379-2729. One of our crawl space specialists will visit your home for a free crawl space inspection. They will explain any issues and the accompanying solutions. You will have all your questions answered and receive a free, no-obligation cost estimate. We're proud of our world-class service, including our fast, professional installations, our warrantied products, and our free, no-obligation quotes. We serve homeowners in San Jose, Fremont, Oakland and all surrounding areas.

our service area

We serve the following areas

Our Locations:

Clean CrawlSpace Inc.
3100 Dutton Ave. Ste. 142E
Santa Rosa, CA 95407

Clean CrawlSpace Inc.
747 E Brokaw Rd
San Jose, CA 95112
Service Area
Free Estimate