Pennsylvania doesn't license mold work. See how we verify Pennsylvania pros
Keystone State is a verified mold professional specializing in removal and remediation serving Johnstown, PA. Highly rated at 5.0/5.0 based on 11 customer reviews.
Based on 11 reviews
Aggregated from public review platforms
Review Strength
Scored out of 100: up to 55 points for review volume, 35 for rating quality, and ±10 for standing against the local average.
What mold remediation professionals do
Professional removal and treatment of mold growth in residential and commercial properties. Includes containment, HEPA filtration, antimicrobial treatment, and post-remediation verification.
Emergency water extraction, structural drying, dehumidification, and restoration following floods, leaks, or plumbing failures.
Pennsylvania has no state mold remediation license, so any company can legally offer mold work there. That's why we verify Pennsylvania pros directly: business identity, location, and reputation, plus insurance and industry certifications when provided.
Regulatory facts last reviewed June 2026.
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