Types of Household Mold and How to Spot Them
[BY]
Ziggy Trip
[Category]
Mold
[DATE]
Feb 20, 2025





Do you know the different types of household mold?
Do you know the different types of household mold?
Do you know the different types of household mold?
Mold is a common household problem that can pose serious health risks and damage your home’s structure. Identifying mold early is crucial for effective removal and prevention. Below, we explore the most common types of household mold, their identifying features, and where they typically grow.
1. Stachybotrys (Black Mold)
Appearance: Dark green or black, slimy texture
Common Locations: Basements, crawl spaces, bathrooms, and areas with persistent water damage
Health Risks: Respiratory issues, chronic fatigue, and headaches
2. Aspergillus
Appearance: Yellow, green, or white with a powdery texture
Common Locations: HVAC systems, insulation, and walls
Health Risks: Allergic reactions, lung infections, and asthma exacerbation
Mold is a common household problem that can pose serious health risks and damage your home’s structure. Identifying mold early is crucial for effective removal and prevention. Below, we explore the most common types of household mold, their identifying features, and where they typically grow.
1. Stachybotrys (Black Mold)
Appearance: Dark green or black, slimy texture
Common Locations: Basements, crawl spaces, bathrooms, and areas with persistent water damage
Health Risks: Respiratory issues, chronic fatigue, and headaches
2. Aspergillus
Appearance: Yellow, green, or white with a powdery texture
Common Locations: HVAC systems, insulation, and walls
Health Risks: Allergic reactions, lung infections, and asthma exacerbation
Mold is a common household problem that can pose serious health risks and damage your home’s structure. Identifying mold early is crucial for effective removal and prevention. Below, we explore the most common types of household mold, their identifying features, and where they typically grow.
1. Stachybotrys (Black Mold)
Appearance: Dark green or black, slimy texture
Common Locations: Basements, crawl spaces, bathrooms, and areas with persistent water damage
Health Risks: Respiratory issues, chronic fatigue, and headaches
2. Aspergillus
Appearance: Yellow, green, or white with a powdery texture
Common Locations: HVAC systems, insulation, and walls
Health Risks: Allergic reactions, lung infections, and asthma exacerbation




"Identifying mold early is crucial"
3. Cladosporium
Appearance: Black or olive-green with a suede-like texture
Common Locations: Wood, carpets, and textiles
Health Risks: Skin irritation, eye infections, and sinus problems
4. Penicillium
Appearance: Blue, green, or white with a fuzzy texture
Common Locations: Wallpaper, insulation, and water-damaged furniture
Health Risks: Allergies, respiratory inflammation, and sinus infections
5. Alternaria
Appearance: Dark green or brown with a velvety texture
Common Locations: Showers, bathtubs, and kitchen sinks
Health Risks: Allergic reactions, asthma attacks, and skin irritation
3. Cladosporium
Appearance: Black or olive-green with a suede-like texture
Common Locations: Wood, carpets, and textiles
Health Risks: Skin irritation, eye infections, and sinus problems
4. Penicillium
Appearance: Blue, green, or white with a fuzzy texture
Common Locations: Wallpaper, insulation, and water-damaged furniture
Health Risks: Allergies, respiratory inflammation, and sinus infections
5. Alternaria
Appearance: Dark green or brown with a velvety texture
Common Locations: Showers, bathtubs, and kitchen sinks
Health Risks: Allergic reactions, asthma attacks, and skin irritation
3. Cladosporium
Appearance: Black or olive-green with a suede-like texture
Common Locations: Wood, carpets, and textiles
Health Risks: Skin irritation, eye infections, and sinus problems
4. Penicillium
Appearance: Blue, green, or white with a fuzzy texture
Common Locations: Wallpaper, insulation, and water-damaged furniture
Health Risks: Allergies, respiratory inflammation, and sinus infections
5. Alternaria
Appearance: Dark green or brown with a velvety texture
Common Locations: Showers, bathtubs, and kitchen sinks
Health Risks: Allergic reactions, asthma attacks, and skin irritation




"Regular inspections, proper ventilation, and prompt moisture control are key to prevention."
How to Spot Mold in Your Home
Musty Odors: A persistent earthy smell is often a sign of hidden mold.
Visible Growth: Discolored patches on walls, ceilings, and furniture indicate mold presence.
Water Damage: Stains, peeling paint, and warping can suggest moisture problems that lead to mold.
Health Symptoms: Increased allergy symptoms or respiratory issues may be a sign of mold exposure.
When to Call a Professional
If you discover widespread mold growth or experience persistent health symptoms, it’s time to call a mold remediation specialist. Spotless offers professional mold removal services to keep your home safe and healthy. Understanding the different types of household mold and their warning signs can help you take proactive steps to keep your home mold-free. Regular inspections, proper ventilation, and prompt moisture control are key to prevention.
Worried about mold in your home? Contact Spotless at 877-SO-Dirty for a professional inspection and remediation!
How to Spot Mold in Your Home
Musty Odors: A persistent earthy smell is often a sign of hidden mold.
Visible Growth: Discolored patches on walls, ceilings, and furniture indicate mold presence.
Water Damage: Stains, peeling paint, and warping can suggest moisture problems that lead to mold.
Health Symptoms: Increased allergy symptoms or respiratory issues may be a sign of mold exposure.
When to Call a Professional
If you discover widespread mold growth or experience persistent health symptoms, it’s time to call a mold remediation specialist. Spotless offers professional mold removal services to keep your home safe and healthy. Understanding the different types of household mold and their warning signs can help you take proactive steps to keep your home mold-free. Regular inspections, proper ventilation, and prompt moisture control are key to prevention.
Worried about mold in your home? Contact Spotless at 877-SO-Dirty for a professional inspection and remediation!
How to Spot Mold in Your Home
Musty Odors: A persistent earthy smell is often a sign of hidden mold.
Visible Growth: Discolored patches on walls, ceilings, and furniture indicate mold presence.
Water Damage: Stains, peeling paint, and warping can suggest moisture problems that lead to mold.
Health Symptoms: Increased allergy symptoms or respiratory issues may be a sign of mold exposure.
When to Call a Professional
If you discover widespread mold growth or experience persistent health symptoms, it’s time to call a mold remediation specialist. Spotless offers professional mold removal services to keep your home safe and healthy. Understanding the different types of household mold and their warning signs can help you take proactive steps to keep your home mold-free. Regular inspections, proper ventilation, and prompt moisture control are key to prevention.
Worried about mold in your home? Contact Spotless at 877-SO-Dirty for a professional inspection and remediation!