Guaranteed Property and Mold Inspection

What They Do

MoldMold TestingLead Paint

• Mold Inspection
• Mold Detection
• Black Mold Inspection
• HVAC Mold Inspection
• Independent Mold Inspection (3rd-party)
• Mold Inspectors
• Mold Damage Inspection
• Mold Testing
• Mold Sampling
• Surface Sampling
• Sample Collection
• Lab Testing / AIHA Laboratory Sampling
• Independent Mold Testing (3rd-party)
• ERMI Testing
• Air Quality Testing
• Air Testing / Air Sampling
• VOC Testing
• Mycotoxin Sampling
• Allergen Testing
• Contaminants Testing
• Post-Fire VOC Testing
• Environmental Testing
• Environmental Investigations
• Lead Paint Testing
• Post-Remediation Clearance
• Post-Remediation Verification (PRV), 3rd party
• Third-Party Post-Remediation Verification
• Mold Clearance Testing

In Their Own Words

Guaranteed Property and Mold Inspection specializes in testing for mold, mycotoxins, ERMI, VOCs, allergens, bacteria, legionella, formaldehyde, and other indoor air quality and environmental hazards in Irvine and across Orange County. As part of our mold sampling process, we utilize the EPA-developed Environmental Relative Mold Index (ERMI) when prescribed by an environmental medical physician/professional. We are ACAC, IICRC, and CSMI certified, experienced, fully bonded, and insured to meet your Mold/Environmental testing needs. As highly licensed mold and air quality experts, we personally provide all field services, allowing us to maintain consistently high client ratings and trusted results. Call today to schedule your appointment."

Written by the business on its public profile. We have not verified these claims.

Before You Call Guaranteed Property and Mold Inspection

1. Where do you think the moisture is coming from, and who fixes it?
2. Will you set up containment and negative air, and how will you protect the rest of the home?
3. Do you also do remediation? If so, who checks your work?
4. How many air samples will you take, and will you take an outdoor control sample?
5. Is your firm certified under the federal lead renovation rule?

Ask for a California contractor license number and look it up with the Contractors State License Board. Also ask for proof of insurance and industry certification for the restoration crew.

How Their Reviews Break Down

Counts from public listings as of September 23, 2026. A handful of reviews says less than a few hundred.

Read This While You Wait

• DIY with careSafe DIY Mold Cleanup for Areas Under 10 Square FeetA step by step method to clean up mold under 10 square feet safely, with the gear to buy, what to throw away, why bleach is not the default, and when to stop.
• Call a proMold Testing, When It Is Worth It and How to Read a Lab ReportWhen a mold test is worth paying for, which kind to ask for, why store kits mislead, and how to read spore counts, outdoor controls and a lab report yourself.
• DIY with careLead Paint in Homes Built Before 1978What lead paint means in a home built before 1978. Who is most at risk, how to test, what the EPA RRP rule requires, and which practices are banned.
• DIY with careAttic Mold on Roof Sheathing, Causes and FixesWhy mold grows on attic roof sheathing, how to find the cause, the fixes that stop it for good, and how to tell a cosmetic stain from a roof that needs work.