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Anatomy of a Real Mold Assessment: A St. Johns County Case File
They called us about a flooded closet. A licensed Florida mold assessor walks through a real St. Johns County inspection step by step — the visual walkthrough, moisture mapping, taking the air handler apart, the lab results, and what the report actually concluded.
Les Hanna
2 days ago9 min read


Black Mold in Florida: What's Myth, What's Real, and When to Actually Worry
Is "toxic black mold" really deadly? A Florida mold assessor sorts myth from fact: why all mold matters, why you can't judge it by color, and why testing is the only way to know what you're dealing with.
Les Hanna
Aug 127 min read


Mold Assessment vs. Remediation in Florida: Two Separate Jobs, One Clean Result
That’s the practical value of an independent assessment: you get a diagnosis and a final sign-off from someone whose only product is an honest answer.
Les Hanna
Aug 69 min read


10 Everyday Habits That Make Mold Worse in Florida Homes (And Which "Tips" Don't Apply Here)
I saw a list going around social media recently: "10 daily habits that can make mold worse." Most of it was solid. But at least one tip on that list would actively *cause* mold problems here in Northeast Florida — and that's the problem with national advice. Mold behaves differently in Jacksonville, Clay County, and St. Johns County than it does in Ohio. So here's that list again — reviewed by a Licensed Mold Assessor who inspects homes in this climate every week, with the Fl
Les Hanna
Jul 203 min read
Why I Became a Licensed Mold Assessor (And Why the Difference Matters)
When I first became a home inspector, I wanted to provide as much value to my clients as possible. As a Certified Master Inspector, I began offering mold air sampling as an additional service. Many home inspectors do the same. At the time, it seemed like a logical extension of the inspection process. But one inspection changed my perspective. During an inspection, I observed heavy microbial growth under a kitchen sink. The conditions were clear — there had been moisture prese
Les Hanna
Apr 84 min read


Spring in Northeast Florida Means Mold Season: What Homeowners Should Know
Warm air, spring rain, and high humidity create the perfect environment for mold growth. Add in tight new construction homes and closed-up houses from winter, and it’s easy to see why indoor air quality problems show up this time of year.
Les Hanna
Mar 53 min read


Common HVAC and Attic Issues That Create Mold Conditions in Florida Homes
In Florida homes, mold problems often start with HVAC or attic conditions that allow moisture to linger. Issues like poor humidity control, condensation, and inadequate ventilation can create mold-friendly environments without visible leaks. This article explains the most common HVAC and attic problems and when a mold assessment can help identify the cause.
Les Hanna
Jan 183 min read


Musty Smells in Florida Homes: When It’s More Than Just Humidity
A musty smell in a Florida home isn’t always “just humidity.” Persistent odors often point to trapped moisture or hidden conditions that allow mold to develop. This article explains why musty smells come and go, what causes them in Florida homes, and when a mold assessment can provide clear answers.
Les Hanna
Jan 185 min read


Why Mold Keeps Coming Back After You Clean It
Mold that keeps coming back after cleaning is a common frustration for Florida homeowners. In many cases, the issue isn’t the cleanup—it’s lingering moisture or hidden conditions that allow mold to return. This article explains why recurring mold happens, what cleaning misses, and when a professional mold assessment makes sense.
Les Hanna
Jan 184 min read
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