1 verified professional in Castro Valley, CA
0 Top Rated, 0 Insured, 1 Licensed
Pacific Coastal
Varies widely by subregion (40-75% average)
Varies widely by subregion (40-75% average)
Cladosporium, Penicillium, Aspergillus
Diverse microclimates from desert to redwood coast. Northern California sees more rain and mold risk. Southern California has wildfire-related water damage from suppression. Central Valley has agricultural humidity.
Find verified mold professionals in other California cities:
Top choice for Castro Valley
Our top verified pick for mold remediation in Castro Valley, CA is Clean & Honest Restoration with a 4.8-star rating from 13 reviews. They have active state licensing verified in 2026.
Clean & Honest Restoration
Castro Valley, CA
13 reviews
0 Top Rated, 0 Insured, 1 Licensed