Basement Mold Removal in San Jose, California
Basement mold is the most common mold removal call in San Jose. Foundation seepage, inadequate waterproofing, and the temperature differential between basement air and cold concrete walls creates persistent condensation. Both finished and unfinished basements are vulnerable — finished basements present additional complexity because mold grows inside walls, under flooring, and behind paneling before it becomes visible.
Basement Mold Removal Contractors in San Jose
62 listedFire & Water Damage Recovery
2495 Washington Ave, San Leandro, CA 94577
+1 510-351-7510Finished vs. Unfinished Basements
Unfinished basement mold is typically more straightforward — visible on joists, block walls, and concrete surfaces, accessible for containment and removal. Finished basements require demolition of drywall, flooring, and insulation to reach mold-contaminated materials behind them. This drives up cost and extends timelines. One critical distinction San Jose homeowners often miss: waterproofing and mold removal are different services. A contractor who offers to seal your foundation is addressing moisture entry — but if mold has already grown on structural materials, it must be removed first. Sequence matters.
All San Jose Mold Removal Contractors
1-800 Water Damage of W San Jose & Sunnyvale
830 Stewart Dr Suite 144, Sunnyvale, CA 94085
+1 408-834-7773All About Roofing Repair & Installation
2548 Seaboard Ave, San Jose, CA 95131
+1 408-426-0590Paul Davis Restoration of San Francisco
286 Lawrence Ave, South San Francisco, CA 94080
+1 650-547-0177The Water Damage Experts, Incorporated
5669 Snell Ave Suite 125, San Jose, CA 95123
+1 800-560-0110Water Damage Restoration Champion
2364 E El Camino Real, Santa Clara, CA 95050
+1 408-818-8510Giuliani Construction & Restoration, Inc.
2151 Stone Ave, San Jose, CA 95125
+1 833-337-9688S.J. General Building Maintenance
919 Berryessa Rd STE 10, San Jose, CA 95133
+1 408-392-0800Stephen Bass Home Repair & Remodeling
505 E Julian St, San Jose, CA 95112
+1 408-781-1213Anderson Group International of San Jose, CA
2285 Paragon Dr, San Jose, CA 95131
+1 408-954-1400Supraclean Water Damage Specialists
1711 Little Orchard St A, San Jose, CA 95125
+1 408-564-3288BELFOR Property Restoration (San Jose)
2297 Ringwood Ave, San Jose, CA 95131
+1 408-929-3473BlueLine Water Damage Response San Jose
146 S Third St, San Jose, CA 95112
+1 408-698-9798AJ Dry Clean Mold Removal & Remediation Fremont CA
37100 Fremont Blvd #21e, Fremont, CA 94536
+1 341-587-5031ClearView Water Damage Restoration San Jose
195 Jackson St, San Jose, CA 95112
+1 669-219-2855Augmented Mold Removal & Remediation Union City CA
1320 Decoto Rd #142, Union City, CA 94587
+1 341-587-5033SERVPRO of Sunnyvale North
2150 N First St 4th Floor, STE # 400, San Jose, CA 95131
+1 408-579-7255Precision Water Damage Restoration San Jose
4005 Normandale Dr, San Jose, CA 95118
+1 408-549-9041Basement Mold Removal Cost in San Jose
Typical range: $1,000 – $4,000
Finished basements with wall and flooring demolition required often run $3,000–$6,000. Get scope defined in writing before work starts.
| Location | Typical range |
|---|---|
| Bathroom | $500 – $1,500 |
| Crawl space | $500 – $2,000 |
| Basement | $1,000 – $4,000 |
| Attic | $1,000 – $4,000 |
| HVAC system | $2,000 – $8,000 |
| Whole house (severe) | $10,000 – $30,000+ |
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