24/7 Emergency Mold Removal Services
Top Mold Inspection & Testing Company in St. George
Protect your family's health and your home's value. Our certified technicians eliminate mold at the source with proven, safe removal techniques.
Breathe Easier at Home
When Your Home May Be Affecting Your Health
When physicians can't explain chronic symptoms, they send patients to Green Home Air. Hidden mold is a silent health crisis — and we've helped thousands of St. George families get their lives back.
Cognitive issues
Brain fog, memory loss, difficulty concentrating
Respiratory Problems
Brain fog, memory loss, difficulty concentrating
Fatigue & Weakness
Brain fog, memory loss, difficulty concentrating
Allergic Reactions
Brain fog, memory loss, difficulty concentrating
Mold exposure can affect health, especially for individuals with allergies, asthma, or weakened immune systems. According to public health guidance, mold can cause symptoms such as nasal congestion, coughing, wheezing, throat irritation, and eye or skin irritation. Prolonged exposure may worsen respiratory conditions and trigger asthma attacks, making prompt identification and removal important for maintaining a healthy indoor environment.
- Centers for Disease Control and Prevention (CDC)
Think Mold is Affecting Your Health?
Call us today. We'll inspect your home and give you answers — fast.
Free Inspection For St. George & Surrounding Areas
Why Act Now
Mold Is More Than an Eyesore
Hidden mold can release toxic spores into your air, affecting your family's health and damaging your property's value. Don't let a small problem become a major crisis.
- Health Issues
- Property Damage
- Family Safety
Real Results
See The Difference We Make
Every job tells a story. Behind each of these photos is a family that got their health and home back. Drag the slider to compare before and after.


Wall Mold Remediation
Severe black mold infestation from a slow roof leak. Homeowner had chronic sinus infections for 2 years before calling us.


Air Duct Cleaning
Extensive mold growth across entire basement after flooding. Family experienced fatigue and respiratory issues. Fully remediated in 3 days.


Basement Mold Removal
Extensive mold growth across entire basement after flooding. Family experienced fatigue and respiratory issues. Fully remediated in 3 days.
Ready To See Results Like These?
We have hundreds more before/after photos. Call us today and we'll show you exactly what we can do for your home.
Our Services
Comprehensive Air Quality Solutions
From emergency mold removal to preventative HVAC maintenance, we provide complete indoor air quality services for Utah homes and businesses.
Most Requested Service

Mold Inspection & Remediation
Complete mold detection, testing, and safe removal. We identify the source, contain the affected area, remove all mold, and prevent future growth.
- Free Initial Inspection
- Lab-tested mold identification
- Complete containment & removal
- Air quality testing
- Prevention strategies

Air Duct Cleaning
Air duct cleaning removes dust, allergens, and contaminants that build up inside your HVAC ductwork, helping restore cleaner air throughout your home.
- Improves indoor air quality
- Removes dust and allergens from ductwork
- Helps reduce mold spores and contaminants
- Cleans hard-to-reach HVAC areas

Whole-Home Air Purification
Whole-home air purification systems work with your HVAC system to clean the air as it circulates through your home, helping reduce dust, allergens, mold spores, bacteria, and odors.
- Improves indoor air quality
- Helps reduce allergens and irritants
- Reduces mold spores and bacteria
- Helps eliminate odors
Testimonials
What Our Customers Say
Don't just take our word for it. See why thousands of Utah homeowners trust Green Home for their mold remediation needs.
Local Expertise
Mold Inspection & Testing in St. George
The St. George Picture
Testing in St. George almost always comes back to two things: the evaporative cooler and the fact that the house may have sat closed up for months. In a desert climate people assume mold is impossible, so when it does take hold it has usually had a long time to spread unobserved.
A St. George inspection is a different exercise than one on the Wasatch Front. Ambient humidity here is very low, so we are not looking for a general moisture problem; we are looking for the specific place water is being introduced.
Most often that is the evaporative cooler, so we inspect the unit, its ducting, the plenum, the drain, and the ceiling cavity beneath a roof-mounted unit. We also check anywhere monsoon water could enter, and give seasonal properties particular attention, since a house closed from June through September gives a small leak months to work.
Buying in a growing city
St. George is growing quickly. The Census Bureau counted 95,342 residents in 2020 and estimates 108,713 for July 2025. The median value of an owner-occupied home was $496,100 in the 2020 to 2024 survey. At that price, a pre-purchase mold inspection is a small step before a large commitment.
A buyer inspection here focuses on places a general home inspector may only glance at: the water heater and softener area, under sinks, around windows that face winter storms, and any wall where a past leak was patched. We take moisture readings and look for staining. We only recommend sampling when it will answer a real question.
Sellers ask us too. If you are listing a home that sat empty for part of the year, an inspection before listing lets you fix a problem on your own schedule instead of in the middle of negotiations.
Rentals and property managers
About two-thirds of St. George homes are owner-occupied, according to the Census Bureau. The rest are rentals, and many are managed for owners who live elsewhere. Between tenants is a good time to inspect, because the unit is empty and cabinets and closets are easy to reach.
For managers, we write down what we checked, where readings were high and what we recommend. If the unit is dry and clean, the report says so. That record helps when a tenant later reports a smell or a stain.
Gaps between leases can be short, so we keep the visit focused. We check kitchen and bathroom plumbing, the water heater, the HVAC closet and any ceiling below a bathroom. If a reading needs follow-up, we explain it in plain language.
Where we inspect
Our office is in Salt Lake City, a long way from St. George, so we plan southern Utah inspections ahead and will be clear about scheduling when you call. Growth does not mean every home is new. Downtown still has older houses, and those usually have more plumbing history to check. We serve both standard St. George ZIP codes and the neighborhoods within them, including:
- ZIP code 84770
- ZIP code 84790
- Little Valley, Bloomington and Bloomington Hills
- Green Valley, Entrada and Stone Cliff
- Sunriver, Washington Fields and Desert Color
FAQs
Frequently Asked Questions
Is mold testing even necessary in a desert climate like St. George?
It is, and the dryness is part of why. Because nobody expects mold in Washington County, a problem here often goes unnoticed far longer than it would elsewhere. The moisture is not coming from the outdoor air, it is coming from a specific source such as an evaporative cooler, a monsoon-season water intrusion, or a slow leak in a home that sat closed up. Testing locates that source.
What should I have inspected before reopening a seasonal St. George home?
Start with the evaporative cooler and the ceiling cavity beneath it, since that is where added moisture collects while a house sits closed. Then check anywhere monsoon water could have entered during the months you were away, along with plumbing fixtures for slow weeping. If there is a musty smell when you arrive, have it assessed before running the cooling system and circulating whatever is there.
What affects the cost of a mold inspection in St. George?
The main factors are the size of the home, how many areas need a close look and whether lab samples are needed. A condo with one stained ceiling is a shorter visit than a large Entrada or Stone Cliff home with several wet areas and an attic. Lab sampling adds cost, so we only recommend it when results would change what you do next. We explain the scope before we start.
When is the best time to schedule a mold inspection in St. George?
Late winter and early fall both make sense. January through March brings most of St. George's yearly rain, so roof and window leaks tend to show up then. The National Weather Service defines monsoon season as June 15 through September 30, so an inspection in October can catch storm damage before it settles in. For a purchase, schedule it inside your inspection window.
Will a mold inspection report help with an insurance claim in Utah?
A written report can help you document conditions, but your insurer decides what is covered. Many Utah homeowners policies cover sudden water damage and exclude mold from long-term leaks or maintenance issues. Read your policy and talk to your agent about what they need. We describe what we saw, where moisture readings were high and the likely water source, without making coverage claims.
Should I get a mold inspection before buying a home in St. George?
It is worth considering, especially for an older home or one that sat empty for part of the year. A standard home inspection may note a stain without tracing the moisture behind it. We check the areas most likely to hide a leak and tell you plainly whether we found a problem. If the home is dry, we will say so, and you can close with more confidence.
Can you inspect a St. George rental between tenants?
Yes. An empty unit is the easiest time to inspect, because we can reach under sinks, inside closets and around appliances without moving a household. We record what we checked and what we found, which gives the owner and manager a baseline. If a later tenant reports a musty smell, you have a dated record of the unit's condition at move-in.
I can already see mold in my St. George bathroom. Do I still need testing?
Often you do not. If the growth is visible and the water source is clear, testing usually will not change the plan. An inspection is more useful when you smell mold but cannot find it, when stains keep coming back or when you need to know how far moisture spread inside a wall. We will tell you if testing is not worth paying for.
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St. George & Surrounding Areas
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