Mold Remediation in Walnut Creek, California

2 verified mold specialists serving Walnut Creek. Every listing shows the credentials we verified.

Informational only. This page helps you find certified professionals. It is not medical, legal, or structural safety advice. For any health or safety hazard, consult a certified/licensed expert. See our verification methodology.

Typical cost in Walnut Creek

$1,500–$6,000

Credentials to expect

IICRC Certified, IICRC AMRT, State-Licensed Mold Assessor

Key fact

Mold can begin growing within 24–48 hours of water intrusion (CDC).

Mold specialists in Walnut Creek

2 listings

All Environmental Inc

Walnut Creek, California

Free
✓ NY Licensed Mold Remediation Contractor✓ Mold Assessment Contractor License (SH125)

All Environmental Inc, based in Walnut Creek, CA, is a licensed mold remediation and assessment contractor. The company holds a Mold Assessment Contractor License (SH125) and is a NY Licensed Mold Remediation Contractor, providing professional mold assessment and remediation services. Contact All Environmental Inc for more information.

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Bio 911

Walnut Creek, California

Free
✓ IICRC✓ OSHA

Bio 911 is a biohazard and restoration cleanup company based in Walnut Creek, California, serving the greater San Francisco Bay Area. Founded in 2018, the company specializes in water damage cleanup and mold remediation alongside a comprehensive range of biohazard remediation services. Bio 911 is an IICRC-certified firm whose staff hold state and OSHA certifications, ensuring all work adheres to industry standards using only EPA-compliant products. The company is committed to providing safe and thorough remediation for both residential and commercial properties throughout the Bay Area. Bio 911 offers 24/7 live call availability and expedited response times for emergency situations, recognizing that many cleanup scenarios require immediate attention. Clients can expect a free, on-site estimate appointment following their initial call, and the company assists clients in navigating homeowner insurance claims, noting that most services are covered by standard policies. The team provides personalized guidance throughout the claims process, working to ensure every property is returned to a safe and clean condition as efficiently as possible. Bio 911 has earned a strong local reputation for responsive, knowledgeable service and transparent communication throughout every stage of the recovery process.

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Mold Remediation in Walnut Creek — FAQ

What certification should a mold remediator hold?
Look for IICRC certification (especially AMRT — Applied Microbial Remediation Technician). FL, TX, NY and LA also license mold professionals.
How much does mold remediation cost?
Typical projects run $1,500–$6,000 depending on the affected area, location (attic/basement/crawl space), and whether structural drying is required.
Is testing separate from remediation?
Best practice is an independent assessor for testing and a separate remediator for the work, to avoid a conflict of interest.

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