Crawl Space Champions

Crawl Space Champions cleans, encapsulates and repairs crawl spaces, and also handles basement waterproofing and foundation repair. Its services listed on the site include dehumidification, mold removal, sump pump and French drain installation, rodent control and water damage repair. The company describes a team with a background in civil, chemical, mechanical, and oil and gas engineering, and says its work is backed by a 2-year warranty.

The company offers free, no-obligation on-site estimates, with a technician visiting the home to write up a proposal including price and schedule. The office is at 10121 Denny St in Oakland, and the business is listed as open 24 hours a day, seven days a week.