Mold Testing You Can Actually Trust
Independent mold testing, inspection, and air-quality analysis across Los Angeles & Ventura Counties. We don't do remediation — which means our findings are never slanted toward selling you a bigger job.
IICRC-trained inspection professionals
Thermal imaging, moisture meters, accredited lab
Same-day inspection available for urgent situations
AIHA-Accredited Lab
Every sample analyzed by an accredited independent laboratory. The gold standard for defensible data.
No Conflict of Interest
We test. We don't remediate. You get an objective report, not a sales pitch.
Clear Written Reports
Lab numbers plus plain-English interpretation. What was found, what it means, what to do next.
Our Services
From a single air test to a full inspection to targeted black mold analysis — we match the testing to your situation.
Mold Testing
Lab-verified testing to confirm whether mold is present in your home.
Learn more →Mold Inspection
Thorough visual assessment to find mold and the moisture source feeding it.
Learn more →Black Mold Testing
Specific testing to confirm or rule out Stachybotrys and other high-concern molds.
Learn more →Serving LA & Ventura Counties
From Malibu to Long Beach, Thousand Oaks to Pasadena, and every famous LA neighborhood in between.
Learn About Mold
Clear, evidence-based answers to the questions we hear most — in language that doesn't require a biology degree.
Types of Mold
Stachybotrys, Aspergillus, Penicillium, Cladosporium, and the other mold genera you'll see on a California lab report — what they look like, where they grow, and what matters.
Mold Health Effects
Symptoms, allergies, asthma, CIRS, and when mold exposure becomes a medical concern.
Testing Methods
Air sampling, surface sampling, ERMI, PCR, DIY kits — how each method works, what it tells you, and when it's the right tool for the job.
Causes & Prevention
Where mold comes from in Southern California homes and how to prevent it — moisture control, ventilation, and the 24-48 hour water-damage window.
Remediation & Next Steps
Testing vs remediation, choosing a contractor, post-remediation verification, and what to do between discovering a problem and resolving it.
Cost, Insurance & Real Estate
How much mold testing costs in LA, what homeowners insurance covers, California disclosure law, and mold considerations for home buyers and sellers.
Local Mold Notes
Location-specific mold risk commentary for the cities, neighborhoods, and microclimates of Los Angeles and Ventura Counties.
What Our Clients Say
See what our clients say about our mold testing expertise.
“I had a great experience with Mold Testing California. I didn't know if they were gonna satisfy my needs but Natalie was absolutely helpful and her attitude was amazing which made for a pleasant experience.”
“Our refrigeration system failed in our wine cellar, unbeknown to us for at least a month. The team helped us identify and document the resulting mold issues so we could plan remediation properly.”
Ready to know what's actually in your home's air?
Book a mold test today. Straightforward pricing, accredited lab analysis, and a clear written report within a week.