Mold Testing for Michigan Homes — Find It Before It Finds You
By the time the smell is obvious or the discoloration is visible, the colony is already established. In Michigan’s high-humidity climate — with its wet springs,
flood-prone basements, and older housing stock — mold is the most common air quality hazard we test for.
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Everything Included in Your Mold Inspection
Our mold testing process is thorough, systematic, and fully documented. Here is exactly what you receive
Initial Visual & Moisture Assessment
A room-by-room walkthrough identifying all moisture-prone areas: basements, crawl spaces, attics, bathrooms, around windows, and HVAC systems. We look for water stains, condensation patterns, efflorescence, and physical signs of growth before sampling begins
Indoor Air Sampling (Spore Trap Method)
Air cassettes placed in the most suspect areas capture airborne spore concentrations. A simultaneous outdoor control sample is always taken — without this comparison, indoor results have no context. We follow AIHA-approved sampling protocols.
Surface Swab & Tape Lift
Sampling
Physical samples taken from visible growth, staining, or high-risk surfaces. These confirm species identity with higher certainty than air sampling alone. Critical for insurance documentation and post-remediation verification
HVAC & Ductwork Assessmen
Mold in ductwork is distributed throughout the entire home every time the system runs. We inspect the air handler, return air plenum, visible ductwork, and evaporator coil — the most commonly missed mold location in Michigan homes.
Moisture Source Identification
We map the moisture source driving mold growth. Without addressing the source, remediation will fail. Our report identifies root causes: roof leaks, basement water intrusion, condensation, plumbing failures, or inadequate ventilation
Certified Lab Analysis
All samples are processed by our EPA-accredited laboratory partner. Analysis identifies species present, spore concentration per cubic meter, and compares to the outdoor baseline. Results are returned in 24–48 hours.
Full Report & Consultation
You receive a plain-language written report with: all findings, species identified, concentration levels, moisture source diagnosis, photos, and recommended next steps. A free phone consultation to walk through results is included for every client.
Michigan’s Climate Creates Ideal Mold Conditions
Michigan’s combination of cold winters, humid summers, and frequent freeze-thaw cycles makes it one of the highest-risk states for residential mold growth. Condensation forms on cold wall cavities, water infiltrates aging foundations, and air conditioning systems create the precise temperature-humidity conditions that mold thrives in.
The EPA estimates that 50% of US homes have conditions conducive to mold growth. In Michigan’s climate zone, this risk is higher than the national average. Most mold in homes is not visible — it grows inside wall cavities, under flooring, above ceiling tiles, and throughout ductwork.
What You Can’t See
By the time mold is visible or smellable, it has typically been growing for weeks or months. A single square foot of visible mold can release millions of spores per hour into your indoor air. Air sampling detects problems early—before they turn into costly demolition and repairs.
Common Symptoms of Indoor Mold Exposure
- Persistent coughing or wheezing
- Nasal congestion or recurring sinus infections
- Eye, skin, or throat irritation
- Fatigue or brain fog with no clear cause
- Symptoms that improve when away from home
- Worsening of existing asthma or allergies
Warning Signs in Your Home
- Musty or earthy smell in any room
- Visible discoloration on walls, ceilings, or grout
- Past water damage, flooding, or leaks
- Condensation on windows or pipes
- High humidity or poor ventilation
- Home built before 1980 with no prior testing
Who Should Get a Mold Test
Residential
- Home buyers — before finalizing purchase
- Homeowners after any water damage or flood
- Homeowners with musty smell, staining, or visible growth
- Families with children, elderly, or immunocompromised members
- Pre-1980 homes with no prior air quality testing
- Homeowners after HVAC replacement or ductwork work
- Anyone with unexplained recurring health symptoms
Commercial & Professional
- Landlords — rental property compliance and liability protection
- Property managers after tenant reports of mold
- Real estate attorneys — litigation support with certified documentation
- Insurance adjusters — pre-claim environmental documentation
- Insurance adjusters — pre-claim environmental documentation
- Post-remediation clearance testing (confirms cleanup success)
- Commercial building buyers — pre-purchase due diligence
Common Mold Species Found in Michigan Homes
Our lab analysis identifies 200+ mold species. Below are the most commonly found in Southwest Michigan homes along with their typical locations and health risks.
| Species | Common Name | Where Found in Homes | Health Risk Level |
|---|---|---|---|
| Stachybotrys chartarum | Black Mold | Water-damaged drywall, cellulose materials | HIGH — mycotoxins |
| Aspergillus spp. | Aspergillus | HVAC systems, walls, insulation | MODERATE-HIGH |
| Cladosporium spp. | Cladosporium | Wood surfaces, HVAC, fabrics | MODERATE |
| Penicillium spp. | Penicillium | Wallboard, carpet, insulation, food | MODERATE |
| Chaetomium globosum | Chaetomium | Chronically water-damaged areas | HIGH |
| Alternaria alternata | Alternaria | Showers, under sinks, window frames | LOW-MODERATE |
| Fusarium spp. | Fusarium | Carpeting, subflooring, crawlspaces | MODERATE-HIGH |
Testimonials
Our Clientele Stories
Posted on Brad GrossmanTrustindex verifies that the original source of the review is Google. In searching for an air testing company, I was discouraged due to the discrepancy in pricing. However, when speaking with Mike at Lakeshore Air Testing, I immediately felt at ease because of Mike's professionalism, ability to explain the testing process, and the lower cost without sacrificing the necessary requirements. I'm so glad I went with Lakeshore Air Testing and highly recommend them to anyone who is looking to test the air quality in their home.Posted on Ryan ColeTrustindex verifies that the original source of the review is Google. Mike and the Lakeshore Air Testing team are top notch! Quality service, knowledgable and easy to communicate with.Posted on Steve HansonTrustindex verifies that the original source of the review is Google. Great communication and service at a reasonable price. Highly recommend!!Posted on Michael WentworthTrustindex verifies that the original source of the review is Google. Fair prices, great guy, found out what I needed to knowPosted on shannon aldridgeTrustindex verifies that the original source of the review is Google. Lake Shore Air Testing is amazing they Mike the owner came out and did the job and was gone in less than 1 hr. I had an email 3 days later telling me about possible mold and other bacteria. Our levels were safe but was nice to know how our air was in our home and basement. Would give it more than 5 star actually!Posted on matt redsickerTrustindex verifies that the original source of the review is Google. Very professional and knowledgeable. Reasonable rates. This company is highly recommended.Posted on Marcy CardinalTrustindex verifies that the original source of the review is Google. Honest, reliable, communicative, and reasonably priced. Lakeshore is professional and the staff is knowledgeable and friendly. Great company!Posted on Jordan JonesTrustindex verifies that the original source of the review is Google. I highly recommend Lakeshore Air Testing! I felt comfortable with them in my home. They were friendly, pricing was affordable and we got the answers that we needed! Thank you again!Posted on Brandy KeyTrustindex verifies that the original source of the review is Google. Lakeshore Air Testing is a trustworthy company. Very professional, easy to communicate with and gets the job done!Posted on Courtney KoenigTrustindex verifies that the original source of the review is Google. I absolutely love lakeshore air testing! I can’t say enough good things. Super honest and affordable. Everyone should have them check out their home 😊
Our Services
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Frequently Asked Questions
A mold air test (spore trap sampling) captures a measured volume of air and counts the concentration of mold spores per cubic meter. The result tells us: which species are present, how high the concentration is compared to the outdoor baseline, and whether there are species that should not normally be present indoors at elevated levels.
A visual inspection identifies obvious visible growth — it cannot detect mold inside walls, ductwork, or subfloor. Air sampling detects airborne spores from mold growing anywhere in the air exchange area — even where there’s no visible surface growth. For hidden mold, air sampling is the only reliable method.
Yes — this is the most common scenario. Mold grows on the paper facing of drywall, inside wall cavities around pipes, and behind vapor barriers. These locations have no smell pathway to living spaces initially. Air sampling detects this through spore concentration levels that differ from outdoor baselines.
Stachybotrys chartarum (black mold) produces mycotoxins, which are metabolic byproducts that can cause severe respiratory reactions. However, many other mold species are also harmful — Aspergillus, Chaetomium, and Fusarium all carry significant health risks. All mold types at elevated concentrations require professional evaluation
Yes, if you want confirmation that the cleanup was successful. A clearance test after remediation uses the same sampling methodology to verify that spore concentrations have returned to normal baseline levels. Without a clearance test, there’s no way to know if remediation was effective. Our reports are accepted by remediation companies, contractors, and insurance adjusters.
Do not run HVAC or air purifiers for at least 4 hours before the test — this affects airborne spore concentrations. Don’t clean or disturb suspected mold areas. Do not use air fresheners or scented products. Otherwise, normal household activity is fine. We’ll ask about any recent cleaning or renovations when we arrive.
Your report will specify the species, concentration, and likely source. We will explain the findings in a free phone consultation. We do not perform remediation — so there is no financial conflict in our recommendations. We will explain what levels are considered elevated, what remediation approaches are appropriate, and what to look for in a qualified remediation contractor.
Mold coverage varies by policy and the cause of mold growth. Most Michigan homeowner’s policies cover sudden and accidental water damage (pipe burst) but exclude gradual moisture issues (chronic condensation, slow leaks). A certified test report is typically required when filing a mold-related claim — without it, most insurers will not process the claim. Our reports are formatted to meet insurance documentation requirements
Our mold testing services start from $150. The exact investment depends on home size, number of sample locations, and whether HVAC sampling is included. We provide an accurate quote over the phone before you book — no surprises.
DIY mold test kits (petri dish settling plates) are unreliable. They only collect what happens to fall into them by gravity — missing the vast majority of airborne spores. They don’t identify species or measure concentration per cubic meter. They have no outdoor baseline comparison. They are not accepted by insurance companies or real estate attorneys. Professional air sampling is the only method that provides actionable, documented results
Find Out What’s in Your Air. Schedule Today
Certified mold inspection. Lab results in 24–48 hours. Plain-language report included. Starting from $150.