Mold inspection and testing in St. Jacob, Illinois
MUSH in ROOM provides independent mold inspection and testing in St. Jacob, Illinois — 16 min from our Edwardsville base. Inspections start at $349 and include moisture mapping, thermal imaging and a written report within 48 hours. We are test-only: we never sell remediation, so we have no financial reason to find a problem you do not have.
Village and rural properties, mixed foundation types.
St. Jacob housing stock and what it means
Village housing with mixed foundation types and surrounding agricultural land.
The ground under St. Jacob
Madison County spans two very different grounds. The western edge sits on the American Bottom — Mississippi floodplain with a shallow water table and alluvial soil that drains poorly. East of the bluffs the land rises into rolling glacial till with dense clay subsoil, which sheds water sideways rather than downward and pushes it against foundation walls.
Large parts of the county sit over abandoned room-and-pillar coal workings. Illinois operates a Mine Subsidence Insurance Fund precisely because settlement is common enough here to be an insurable event, and subsidence cracks are one of the more overlooked ways water reaches a basement.
Housing runs the full range: pre-1920 river-town stock in Alton and Granite City, mid-century ranches on crawl spaces through Collinsville and Bethalto, and tightly sealed post-1990 subdivisions in Glen Carbon, Maryville and Troy. Each era fails differently.
Radon in St. Jacob
EPA Zone 2 — moderate potential. Counties in Zone 2 have a predicted average indoor screening level between 2 and 4 pCi/L. EPA recommends considering mitigation between 2 and 4, and fixing at 4 or above. Madison County is in the middle band, which is why we offer radon measurement alongside mold testing. EPA is explicit that the zone map is a planning tool, not a substitute for testing: every home should be tested regardless of its zone.
County seat: Edwardsville. Rental and housing complaints in St. Jacob go to the Madison County Health Department, which can inspect but does not generally perform laboratory testing — that is the gap independent documentation fills. See tenant rights in Illinois.
What we look for in St. Jacob
- Moisture readings on every suspect surface, not a visual walkthrough
- Thermal imaging to locate wet material behind finishes without opening walls
- Humidity and dew point by level, which is what drives condensation growth
- The water source — the finding that actually determines your cost to fix
- Air sampling with a same-day outdoor control when the source is not visible
What do you actually need?
Pick the line that matches your situation. We will tell you which test fits — including when the answer is that you do not need one.
I can smell something musty but I cannot find it
Air sampling is the right tool
Odour with no visible source is the single most common reason people call us, and the one case where laboratory air sampling genuinely earns its cost. Microbial growth releases compounds you can smell long before anything becomes visible, usually from inside a wall, under a floor or in a crawl space.
I can see visible mold or staining
You may not need us at all
If the patch is under about ten square feet and you know what caused it — a fixed leak, a bathroom with no fan — clean it yourself and correct the moisture. Testing rarely changes what you would do. Call us if it keeps coming back, if it is larger than a doormat, or if you need documentation.
Someone in the house has symptoms
Test the building, see a doctor about the person
The pattern worth acting on is symptoms that ease within a day or two of leaving home and return when you come back. We can tell you definitively whether the building has a mold and moisture problem. Whether it is affecting a specific person is a question for their physician.
I am buying or selling a property
We work to your closing date
Independent testing during your inspection contingency gives you documentation you can negotiate with — and because we do not sell remediation, our report is not an estimate in disguise. Tell us your deadline when you call and we will schedule around it.
There has been a leak or flooding
The 48-hour clock matters
Materials wet for more than 48 hours should be assumed to have microbial growth. If drying is still in progress, independent verification matters — a restoration company assessing its own drying work has an obvious conflict of interest.
A landlord or insurer is disputing it
You need neutral documentation
What settles a dispute is dated photographs, moisture readings and laboratory results from a party with no stake in the outcome. Illinois has no mold-specific statute, which makes independent third-party evidence more important, not less. We report what we find, to whoever hired us.
Remediation was done and I want it verified
Never let the contractor grade their own work
Post-remediation verification should always be done by someone who did not perform the removal. We test independently against published criteria and issue a pass or fail you can put in your records, hand to an insurer, or show a buyer.
I have a remediation quote and want a second opinion
Have the scope checked before you sign
A remediation quote was written by the company that profits from its size, and nobody independent has checked the extent, the water source, or whether the work is needed at all. An independent review routinely changes the scope — sometimes down, occasionally up, and either way you know.
Services available in St. Jacob
Mold Inspection
A full visual and moisture inspection of your home with a written report, photographs and a clear answer.
$349 Visual Survey · $599 with lab samplingMold Testing & Lab Analysis
Air and surface samples analysed by an independent accredited laboratory — with results you can act on.
$599 flat, laboratory analysis includedIndoor Air Quality Testing
Beyond mold: humidity, particulates, VOCs and ventilation performance measured room by room.
$399–$599Post-Remediation Clearance Testing
Independent verification that remediation actually worked — performed by someone who did not do the work.
$299–$499Radon Testing
Testing is recommended for every Metro East home. A 48-hour continuous monitor with same-week results.
$149–$249Asbestos Testing
Sampling and lab identification before you renovate an older Metro East home.
$249–$499Pre-Purchase Mold Inspection
Independent testing during your inspection period, scheduled around your closing date.
$599 flat, +$50 inspection-period priority schedulingLandlord & Tenant Documentation
Neutral third-party documentation when a rental dispute needs evidence rather than opinions.
$299–$499Commercial & Multi-Family
Schools, offices, clinics, restaurants and apartment buildings — scheduled around your operations.
Quoted per building, before schedulingThermal Imaging & Moisture Mapping
Infrared and meter-based moisture mapping that finds water behind finishes without opening walls.
Included in every inspectionNearby towns we serve
Related
Common questions
How much does a mold inspection cost in St. Jacob?
Inspections in St. Jacob are a flat fee: $349 for the Visual Survey, $599 for the Standard Inspection including laboratory air sampling, $899 for the Comprehensive Workup. Larger homes add $80 or $160 by size band. There is no travel surcharge for St. Jacob.
How quickly can you get to St. Jacob?
St. Jacob is about 16 min from our Edwardsville base and we normally schedule within two to four business days. We hold slots for real estate deadlines and active water events.
What causes most mold problems in St. Jacob?
Village and rural properties, mixed foundation types. Madison County spans two very different grounds.
Do you know the housing in St. Jacob?
Village housing with mixed foundation types and surrounding agricultural land. That matters because the era a house was built in predicts how it fails: pre-war stone and rubble foundations wick moisture, mid-century block basements fail at the perimeter drain, and post-1990 construction traps humidity inside a sealed envelope.
Do you also do remediation?
No, and that is deliberate. We are test-only. It means we can independently verify another contractor's remediation work, and it means no finding of ours is influenced by a job we hope to sell you afterwards.
Get a straight answer about your building
We test, document and verify. We never sell remediation, so we have no reason to find a problem you do not have.