Serving Fremont, San Jose, San Francisco

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Products & Services

Products:

  • CleanSpace® 20-Mil Vapor Barrier
  • SmartSump™ Crawl Space Sump Pump System
  • UltraSump® Battery Backup System
  • SaniDry Sedona Dehumidifier
  • SmartJack® Crawl Space Support System
  • SilverGlo™ Wall Insulation Panels
  • TerraBlock™ Crawl Space Floor Insulation
  • Mold-X2 Treatment System
  • Interior Drainage Systems / Trench Drains
  • Optional Air Purifiers
Before and After Pictures from Clayton
Mold? Nope! Clayton, CA Crawlspace Fix

Mold? Nope! Clayton, CA Crawlspace Fix

Before After
Mold? Nope! Clayton, CA Crawlspace Fix Mold? Nope! Clayton, CA Crawlspace Fix

John's Clayton, California, crawlspace was a damp nightmare, causing chills and unpleasant odors. Clean Crawlspace came to the rescue! Their moisture control expert pinpointed the culprit: poor drainage and ventilation.

The Clean Crawlspace team installed a drainage system, and sealed the crawl space using the innovative CleanSpace® Crawl Space Vapor Barrier system, creating a dry, durable, healthy environment that would prevent future mold growth. . John's crawlspace transformed into a dry haven, eliminating the musty smells and temperature swings. He now enjoys a healthier, more comfortable home thanks to Clean Crawlspace's expertise. 

Happy Customers Surrounding Clayton, CA
Testimonials
Reviews
Work Requests

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Clayton, CA's Premier Crawl Space Repair & Encapsulation

Crawl Space Repair & Encapsulation in Clayton, CA

Since 2003, Clean CrawlSpace Inc. has helped homeowners in Clayton, CA protect their homes from crawl space moisture, mold, and damage. As a certified CleanSpace® dealer, we use trusted solutions like vapor barriers, sump pumps, dehumidifiers, and insulation that is designed to last and backed by real results. When it comes to crawl space repair, we're the team other pros rely on. Even HGTV turned to us on House Detective to fix real crawl space problems.

 

What’s happening beneath your home matters. Musty smells, warped floors, and damp air often start in the crawl space but they don’t stay there. Moisture can quietly damage your structure, ruin air quality, and chip away at your home’s value. At Clean CrawlSpace Inc., we’ve spent over 20 years helping Clayton, CA homeowners stop crawl space problems before they spread. We install proven systems like vapor barriers, sump pumps, drainage, and dehumidifiers, everything needed to protect your home from the ground up.

Services We Offer in Clayton

  • Crawl Space Encapsulation: CleanSpace® 20-mil vapor barrier sealed along floors and walls to block moisture, odors, and outdoor air. Includes a 25-year transferable warranty.
  • Sump Pump Installation: Our powerful sump pumps come with airtight lids, built-in alarms, and optional battery backups, designed to handle water removal reliably, even during storms or outages.
  • Dehumidification: High-performance dehumidifiers like the SaniDry Sedona remove excess humidity, helping prevent mold growth and improving the air quality throughout your home.
  • Insulation for Crawl Spaces: We use water-resistant materials like SilverGlo® wall panels and TerraBlock™ floor insulation, built specifically to hold up in damp, low-clearance environments.
  • Mold Treatment & Cleaning: Mold-X2 products safely remove surface mold as part of a complete moisture management system.
  • Drainage Systems: Interior crawl space drains direct groundwater toward the sump pump, preventing water buildup and protecting your foundation.
  • Air Quality Solutions: Optional air purification systems help filter allergens, mold spores, and odors rising from your crawl space into your living space.

Worried about your crawl space? Get a free estimate.

If you're concerned about crawl space moisture, mold, or structural problems, you can count on Clean CrawlSpace Inc. for honest answers and proven solutions. We’ve earned the trust of homeowners in Clayton, CA by delivering professional crawl space encapsulation, sump pump systems, drainage, dehumidifiers, and mold treatment that last. Schedule your free estimate today!

Job Stories From Clayton, CA
Mold? Nope! Clayton, CA Crawlspace Fix

John's Clayton, California, crawlspace was a damp nightmare, causing chills and unpleasant odors. Clean Crawlspace came to the rescue! Their moisture control expert pinpointed the culprit: poor drainage and ventilation.

 

The Clean Crawlspace team installed a drainage system, and sealed the crawl space using the innovative CleanSpace® Crawl Space Vapor Barrier system, creating a dry, durable, healthy environment that would prevent future mold growth. . John's crawlspace transformed into a dry haven, eliminating the musty smells and temperature swings. He now enjoys a healthier, more comfortable home thanks to Clean Crawlspace's expertise. 

 

 

John has been very happy and has had no issues with water coming into his basement. If you're a Clayton, California, homeowner battling water woes, call Clean CrawlSpace today. Our crawlspace solutions will help you combat moisture and mold problems in Clayton, California, once and for all.

 

Mold? Nope! Clayton, CA Crawlspace Fix - Photo 1Mold? Nope! Clayton, CA Crawlspace Fix - Photo 2
Work Requests From Clayton, CA
Project Location: Clayton, CA
Bad smell underneath house
Project Location: Clayton, CA
Bad odor / Water under the house
Project Location: Clayton, CA
Need to replace the moisture barrier in our crawlspace after our washing machine flooded.
Project Location: Clayton, CA
Damp crawlspace with standing water. Approx. 2000 sqft. Need sump and drainage and possible floor insulation.
Project Location: Clayton, CA
Very cold floor after removing carpet for hard wood. 2-3' space under house, no insulation and no vapor barrier
Project Location: Clayton, CA
We have a French drain and a sump pump however when it the pump doesn't work correctly water backs up into our crawl space. Worried about the moisture.
Project Location: Clayton, CA
We have standing water under the house when it rains. We also have insulation that has fallen from between the floor joists. We also noticed an air duct support strap that has failed. I have pictures of the standing water. We are not sure of where the water is entering the crawl space.
Project Location: Clayton, CA
Crawl space inspection, check for dampened areas and screen repair
Project Location: Clayton, CA
Purchasing new townhouse with partial hill side access. Evidence of water under foundation, needs vapor barrier and floor insulation. House is in Pleasant Hill.
Project Location: Clayton, CA
Have mice inside the crawl space. Want to seal it to prevent those.
Project Location: Clayton, CA
Just purchased this home. There is a drainage system in the backyard, but there is a hillside in the backyard and I'm concerned about water coming under the house.
Project Location: Clayton, CA
Would like an estimate for the permanent removal of standing water in my crawlspace.
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