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24 Years
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Comprehensive Mold Inspections in Los Angeles
Moisture & Mold Check was established in 2002 by the founders of LaRocca Inspections to address growing concerns about mold and moisture issues in homes. Our mission was to provide accurate, affordable inspections without the fear-mongering or conflicts of interest common in the industry. With over 20,000 inspections completed, we have built a reputation for integrity, technical expertise, and customer-focused service. Our team of seasoned inspectors combines deep knowledge of construction and mold remediation with a commitment to transparency. We specialize in identifying moisture intrusion and mold risks through thorough visual assessments and targeted sampling.

Unlike companies that offer both inspections and repairs, our sole focus on inspections ensures unbiased, actionable reports. We serve residential and commercial clients across Los Angeles, prioritizing clarity and peace of mind. Our process is designed to demystify mold concerns while empowering clients with data-driven insights. This approach has made us a trusted partner for homeowners, real estate agents, and property managers. With decades of combined experience, we remain dedicated to evolving our methods to meet the needs of a dynamic market.
Services
Mold Inspections General Physical Inspections Chimney Inspections Sewer Line Inspections Sampling Clearance Testing
Details
  • Year established: 2002
Highlights and features
  • We have performed over 20,000 inspections since 2002.
  • Inspectors combine construction expertise with mold remediation knowledge.
  • Unbiased findings as we provide inspections only, no repair services.
  • Serving 100+ communities across the Greater Los Angeles area.
  • Affordable pricing with no unnecessary add-ons or alarmist tactics.
What people say
Truly the best Professional, courteous Extremely thorough Most amazing inspectors Peace of mind
Services
Mold Inspections
Our mold inspections identify moisture intrusion and mold growth risks in residential and commercial properties. Using visual assessments and targeted sampling, we provide detailed reports with actionable recommendations. Clients receive clear insights to address issues promptly and avoid costly damage.
Sewer Line Inspections
Sewer line inspections detect blockages, leaks, or structural issues in underground plumbing systems. We use advanced camera technology to assess pipe conditions and provide repair guidance. This service prevents water damage and ensures system functionality for property owners.
Chimney Inspections
Chimney inspections evaluate structural integrity and safety compliance for residential and commercial chimneys. We assess for cracks, creosote buildup, and ventilation issues to prevent fire hazards and ensure efficient operation.
Sampling Clearance Testing
Sampling clearance testing confirms successful mold remediation through air and surface sample analysis. We verify that post-treatment environments meet safety standards, giving clients confidence in their property's air quality.
General Physical Inspections
General physical inspections evaluate overall property condition, focusing on structural, mechanical, and environmental risks. We identify maintenance needs and potential hazards to support informed decision-making for buyers and owners.
People
John Mattoon
Senior Inspector
John Mattoon brings extensive experience in mold remediation and insurance claims to Moisture & Mold Check. His expertise in moisture intrusion analysis ensures accurate, actionable inspection reports for clients.
Sean Brennecke
Inspector
Sean Brennecke specializes in mold inspections with a focus on residential properties. His meticulous approach and client-focused communication have earned recognition from real estate professionals and homeowners alike.
Questions
What types of inspections do you offer?
We specialize in mold, sewer line, chimney, and general physical inspections, along with sampling clearance testing for post-remediation verification.
Why should I get a mold inspection?
Mold inspections identify hidden moisture issues and potential health risks, helping you address problems early and protect property value.
Are your inspectors certified?
Our inspectors have specialized training in mold assessment and construction analysis, with decades of combined experience in the field.
Do you serve commercial properties?
Yes, we provide inspections for both residential and commercial properties across the Greater Los Angeles area.
How do I schedule an inspection?
Call us at (818) 452-2553 or visit our website to request an appointment. Inspections are available Monday through Saturday.
Reviews (5)
Kate S.
Mar 02, 2018 Report
I wish I would have read these reviews before calling them. They were referred by our home inspector. John came out to do the inspection. He talked on about Judy about everything but mold, which was or only concern. He barely used the moisture meter, held it up a few seconds twice. No infrared, which they are supposed to do. No air samples. Before he left he demanded I provide him with my medical records and allergy test results.
An intrusive and unprofessional
demand, which I refused. I found him arrogant, apathetic,
and incompetent. Terrible company. Go elsewhere.
Mary F.
Sep 18, 2017 Report
Don't use these ppl. Used them for a mold inspection on a house I was buying. Check cashed the next day but getting the report took forever! Two weeks and still waiting...avoid
Sharona R.
Aug 11, 2017 Report
Hated this company. they almost killed a deal for me by making the house sound like it was a royal fixer infested in mold... it wasn't!! and then another deal the buyers ended up calling him and he again made the house sound like it was the worst deal on the block. not recommended.
Justin L.
Apr 20, 2017 Report
Wow! Really bad guidance and experiences from John. He takes forever to respond, does work halfway, embarasses me in front of our HOA, the water issues are neverending.
Colin C.
Jan 07, 2017 Report
Moisture & Mold Check is a fraudulent company and a scam.

Moisture & Mold Check does not follow the California department of Health, EPA, CDC and WHO guidelines even though they say they do. We had less then 10 square feet of mold. They then tested it saying it was potential toxic mold recommended professional remediation that would have cost thousands of dollars. I asked them to reinspect after I did the remediation my self and they did not give me a clearance. They don't have a valid process and always say get a professional remediation. Never use this company. They do