Fraud Blocker
Environmental Services

Mold
Testing

Detect. Identify. Protect.

Mold is a type of fungus that exists almost everywhere, thriving in places with excessive moisture. If you spot mold growing inside your home, it's a clear indication of an underlying water or moisture issue. Our NAMRI-certified inspectors deploy rigorous laboratory-grade sampling techniques to isolate, identify, and quantify organic growth hiding throughout your property.

50+ Species Identified
24-48h Lab Turnaround
NAMRI Certified Inspectors
Common Indoor Species CFU/m³
Cladosporium Most common indoor mold Moderate
Penicillium Rapid colonizer, allergenic High
Aspergillus Respiratory pathogen High
Stachybotrys "Black mold" — toxigenic Critical
Alternaria Common allergen trigger Moderate

Request a Mold Testing Quote

Tell us about your property and specific concerns. Our experts will get back to you with a tailored mold inspection estimate.

Mold Testing Request
Environmental mold sample swab collected for laboratory analysis
Health & Safety

Health Effects of Mold

Microscopic mold spores rapidly absorb airborne moisture to expand across surfaces. Prolonged exposure presents severe risks, especially for those with existing respiratory conditions. Symptoms may develop gradually and are often mistaken for seasonal allergies.

Congestion Coughing Eye & Throat Irritation Fever Symptoms
Early Detection

Do I Have Mold?

Recent water leaks or persistent moisture issues almost certainly lead to rapid mold development. Early detection via professional sampling prevents massive repair costs and dangerous structural spreading. If you've experienced flooding, plumbing failures, or notice a persistent musty odor, professional testing is the only way to confirm the presence and extent of mold growth.

Mold growth behind drywall discovered during professional inspection
Our Process

Accuracy in Every Detail

To ensure your mold test is pinpoint accurate, there are vital steps we prepare for and closely monitor throughout the property.

NAMRI Certified Mold Inspector NAMRI Certified — trained to set identical professional standards in mold testing.
01

Air Or Swab Sample

We provide both air and swab samples. Black spots? A swab sample is best. High airborne spore concerns? Air samples determine if an area has enough mold to encourage growth.

02

Moisture Susceptibility

Mold is naturally attracted to moist environments like basements and bathrooms. This means spores are significantly more likely to settle and grow in these areas unchecked.

03

Closed Conditions

For maximum accuracy during tests, we keep the indoor environment within usual conditions. Readings will be skewed if windows and doors are left open during the testing.

04

Control Comparison

To determine dangerous elevations of spores, an exterior control sample must be taken to compare against the interior environment, isolating the property's actual mold growth.

Diagnostic Capability

Precision Sampling Methodology

We deploy rigorous laboratory-grade sampling techniques to isolate, identify, and quantify organic growth hiding throughout your property.

Air Sample

Air samples will be taken in the primary area and additional areas if requested. Laboratory analysis will conclusively indicate if there is a presence of mold growth and detail the types and amount of mold spores in the air.

Swab Sample

Swab samples can also be taken of visible growth on surfaces. Laboratory analysis will strongly indicate whether or not there is growth, and provide precise details on the specific type and amount of the mold.

Common Locations

Where Can Mold Hide?

Mold thrives in dark, humid, and undisturbed microclimates. Identifying these high-risk hidden zones is the crucial first step toward securing your home.

01
Mold growth behind a residential refrigerator

Behind the Refrigerator

Due to the cooling nature of your refrigerator, atmospheric moisture may rapidly condense against nearby walls. This dark, undisturbed space is an ideal breeding ground.

02
Mold growing behind drywall from water damage

Behind Drywall

Areas subject to leaky pipes or flooding trap ambient moisture inside porous drywall, allowing structural rot and mold to bloom completely hidden from plain sight.

03
Condensation and mold on window wallboards

Window Wallboards

As a primary thermal bridge where exterior heat and rain penetrate, frequent condensation makes gypsum wallboard surrounding window framing exceptionally prone to water damage.

04
Mold inside ventilation ductwork

Ventilation Ducts

Improperly sealed ducts allow trapped condensation and humid vapors to stagnate. Circulating HVAC systems then distribute spores throughout the entire household.

05
Mold growing under carpet padding

Under Carpeting

Flooring padding traps moisture after significant water intrusion. This dark, compressed microclimate creates the perfect damp environment for aggressive subsurface growth.

06
Mold on attic paneling from trapped humidity

Attic Paneling

Trapped humidity in stagnant, unventilated attic zones guarantees rapid spore colonization across underlying wood paneling. Repairing a roof leak is only the first step.

Interactive Index

Pathogen Database

Select a category to filter, then tap any species card to reveal its clinical profile — including habitat, health risks, and what it means for your property.

Aspergillus / Penicillium

High-Risk Allergen

Statistically the most frequent indoor mold strains found in water-damaged homes. They rapidly colonize damp wallpaper, carpet fabrics, and HVAC systems, releasing dense concentrations of allergenic spores directly into the home's circulating airflow.

Primary Habitat HVAC, Drywall, Damaged Fabrics
Clinical Threat Aggravates Asthma & Allergies

Stachybotrys / Memnoniella

Toxic Threat

Infamous to the public as "toxic black mold". This dangerous pathogen requires constant, prolonged moisture to breed. It violently metabolizes high-cellulose structural materials like drywall, ceiling tiles, and structural wood framing.

Primary Habitat Saturated Drywall, Wet Wood
Clinical Threat Produces Harmful Mycotoxins

Alternaria

Aggressive Grower

A naturally fast-spreading outdoor mold that successfully establishes massive, dark-colored colonies indoors within chronically damp areas. It is notoriously prevalent in leaking standing showers or previously flooded basements.

Primary Habitat Showers, Flooded Basements
Clinical Threat Heavy Allergen Emitter

Fusarium

High-Moisture Pathogen

An opportunistic pathogen requiring exceptionally wet conditions to survive. In residential properties, it is frequently isolated near active, ongoing plumbing failures, heavy humidifier usage, or areas of standing black water.

Primary Habitat Active Plumbing Leaks
Clinical Threat Toxic to Human Systems

Trichoderma

Aggressive Fungi

A rapidly expanding and highly destructive genus to wood and paper products, causing significant damage if substantial moisture enables its growth indoors.

Primary Habitat Wet Wood, Paper Products
Clinical Threat Structural Deterioration

Cladosporium

Prolific Indoor Strain

Highly prominent in inherently humid residential environments. This strain is frequently found spreading aggressively across cold surfaces subject to condensation, such as window sills, damp carpet padding, and uninsulated walls.

Primary Habitat Window Sills, Condensation Zones
Clinical Threat Triggers Respiratory Issues

Chaetomium

Structural Threat

Typically discovered aggressively deteriorating severely water-damaged drywall and baseboards. This specific genus is responsible for producing the distinct, aggressively "musty" odor characteristic of wet basements.

Primary Habitat Rotted Baseboards, Wet Drywall
Clinical Threat Structural Rot & Noxious Odors

Bipolaris

Indoor Survivor

A plant pathogen that thrives on dead vegetation outdoors, but proves capable of surviving indoors by feeding off soft, water-damaged organic materials.

Scopulariopsis / Microascus

Resilient Grower

A highly resilient indoor mold genus capable of aggressively growing on wallpaper, damp drywall, and heavily accumulated household dust.

Zygomycetes

Indoor Pathogen

A common fungal classification that primarily colonizes leftover decaying foods in kitchens, indoor houseplant soil plotting, and heavily concentrated damp dust.

Ascospores

Routine Screen

Widespread outdoor spores heavily released during damp or rainy weather. They frequently blow indoors via open windows or are carried inside by residents.

Basidiospores

Routine Screen

Typical wood-rotting fungi originating from decaying outdoor trees. They infiltrate interior residential environments via wind infiltration or foot traffic.

Curvularia

Routine Screen

An outdoor fungal pathogen predominantly found colonizing plant debris and soil that occasionally migrates into residential air currents.

Epicoccum

Routine Screen

A relatively harmless plant organism found heavily in topsoil that may act as a minor allergenic trigger when significantly elevated indoors.

Ganoderma

Routine Screen

A notorious wood-decaying fungus that physically attacks living trees in yards; its drifting spores frequently travel inside open house windows.

Myxomycetes

Routine Screen

Colloquially known as "slime molds". These are non-toxic environmental organisms found on decaying leaf litter, frequently tracked indoors after storms.

Pithomyces

Routine Screen

A mold that grows almost exclusively on dead grass and decaying plant matter outside, typically posing extremely limited structural threat to properties.

Rust

Routine Screen

A strict plant parasite necessitating a living botanical host. Identifying high indoor counts signifies severe outdoor air infiltration into the dwelling.

Hyphal Fragment

Diagnostic Metric

Microscopic biological fragments of a fungal body structure (mycelium). Extremely high quantities can be highly indicative of past or present organic indoor growth.

Insect Fragment

Diagnostic Metric

Microscopic biological debris resulting from insects that can drastically degrade interior air quality metrics and unnecessarily trigger household allergies.

Pollen

Diagnostic Metric

Ubiquitous outdoor botanical allergens that heavily infiltrate indoor environments through poorly sealed doors, open windows, and uncalibrated HVAC air-transfer systems.

21 Species Tracked
6 High-Risk Strains
NAMRI Certified Lab Analysis
Residential & Commercial

Explore Our Inspection Reports

HD Photography
Commentary & Recommendations
Grading Scale
Repair, Safety & Maintenance
View Sample Reports
INSPECTION REPORT ASHI NACHI