Creating safer spaces is our expertise!

Are you concerned about environmental hazards and air quality?  Discover how our comprehensive environmental testing services make a difference for your property.

Precision Mold Testing takes the health and safety of its customers and employees seriously, and is following the guidelines on preventing the spread of the COVID-19 virus, set forth by the World Health Organization (WHO) and U.S. Centers for Disease Control (CDC). Our Inspectors are required to wash their hands, and clean and disinfect their equipment


At Precision Mold Testing, we conduct comprehensive assessments of your property for various environmental hazards, including mold, air quality, and other potential risks. Following our thorough evaluation, we provide you with a detailed action plan to enhance the safety of your indoor environment.


We cater to a diverse clientele, spanning both residential and commercial sectors. Our team comprises certified experts with a wealth of experience in environmental testing, led by Ken, who has dedicated over 30 years to public service in environmental and health safety. He supervises every project and is readily available for consultations and expert advice.

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Signs of water intrusion?  

Visible microbial growth?

High humidity?

Completed remediation?

We can test what you cannot see and give you a peace of mind.  

Fungal spores are invisible in the air.

Want to ensure a healthy environment for your employees?

We can test your business' air quality.


The Precision mold testing team was phenomenal. They were accommodating and responsive and guided us in the mold testing process. I really appreciated their support...

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environmental testing inspection by precision mold testing

Comprehensive Environmental Testing

Are you concerned about the health and safety of your environment? Our comprehensive environmental testing services are designed to address your concerns and provide solutions. We offer a range of sub-services, each tailored to identify and analyze specific environmental hazards.

Mold and Mycotoxin Testing

1. EMMA Testing:. This advanced testing method identifies 36 different species of mold and 15 types of mycotoxins, comprehensively analyzing your environment's mold situation.

2. Mycotoxin Assessments in Homes: We evaluate your home for mycotoxins, toxic compounds produced by molds that can cause health problems.

Air Quality Assessment and Testing

1. Air Quality Documentation:. We provide detailed reports on indoor air quality, identifying potential pollutants and providing recommendations for improvement.

2. Dust Sampling: Our team collects dust samples from your environment to identify potential allergens and pollutants.

3. Bacteria and Mold Analysis: We analyze your air samples for harmful bacteria and molds, clearly showing your air quality.

Bacterial Testing

1. ECOI Bacteria Testing:. We test for the presence of E. coli bacteria, a standard indicator of fecal contamination.

2. Endotoxin Testing:. We test for endotoxins, harmful substances produced by bacteria that can cause health problems.

Chemical and Lead Testing

1. Lead Testing:. We provide comprehensive testing for lead, a harmful heavy metal that can cause serious health issues.

2. VOC (Volatile Organic Compounds) Testing:. We test for VOCs, gases that can cause adverse health effects.

3. Formaldehyde Air Testing:. We test for the presence of formaldehyde, a common indoor air pollutant that can cause respiratory problems and other health issues.

Mold-Specific Testing

1. Hertsmi-2:. This specialized test is designed to identify specific molds that can cause health problems. The Hertsmi-2 test, developed by the U.S. Environmental Protection Authority, uses a standardized approach to assess mold and indoor air quality.

Tobacco Smoke and Allergen Analysis

1. Tobacco Smoke Check:. This service detects secondhand and thirdhand tobacco smoke in your indoor environment.

2. Particulate and Allergen Analysis:. We analyze your environment for common allergens and particulates that can cause respiratory problems and allergic reactions.


Great service provided excellent care and the information I was looking for. I definitely will recommend them.

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Precision Mold Testing is your trusted partner for timely, professional mold testing and air quality inspection services, backed by years of hands-on experience in the environmental sector.

Our team comprises certified professionals, each with a wealth of experience, and is led by Ken, who has a solid background in biology, environmental science, and health safety. He supervises each project and is readily available for consultations and expert advice.

Ken Okin has been California's dedicated Environmental and Health Safety Investigator and Consultant since 1985. His extensive experience includes roles with the U.S. Food and Drug Administration (FDA), the National Oceanic and Atmospheric Administration (NOAA), and the Business Enterprise Program. Our inspectors are Certified Mold Inspectors accredited by MICRO, boasting years of experience in the construction industry.

Precision Mold Testing is an independent, locally-owned, and operated enterprise committed to serving our community with the highest service standards.

Our ACAC Certification
Our ACAC Certification.
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Precision Mold Testing takes pride in our impeccable A+ rating on the Better Business Bureau. Our proficiency and extensive experience make us your ideal choice for environmental testing services.

  • Precision Mold Testing
  • 3356 Second Avenue , Suite B
  • San Diego, CA 92103
  • U.S.A.
  • Ken Okin, Owner
  • Email Us
Service Areas
San Diego, CA
North San Diego County, CA
East San Diego County, CA
South San Diego County, CA
South Orange County, CA
South Riverside County, CA
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