Mold Inspection & Testing Services
Independent, certified mold inspections for homeowners, buyers, sellers, landlords, and commercial properties throughout York County, PA. No remediation sales. Just honest answers.
Get a Free Quote
Tell us what's going on and we'll get back to you fast.
Core Services
Mold Inspection & Testing Services
Whether you're a homeowner, buyer, seller, landlord, or business - we have the right inspection for your situation.
Residential Mold Inspection
Full visual inspection, moisture mapping, thermal imaging, and air/surface sampling for your home. Plain-English report with lab-verified results.
Learn MoreCommercial Mold Inspection
Thorough mold and moisture assessment for offices, retail spaces, rental properties, and commercial buildings throughout York County.
Learn MoreReal Estate Mold Inspection
Pre-purchase and pre-listing mold inspections for buyers, sellers, and realtors. Results in 1-2 business days to keep transactions moving.
Learn MoreLandlord / Tenant Mold Inspection
Independent, unbiased mold testing for landlord-tenant disputes, lease renewals, or tenant health concerns. Documentation that holds up.
Learn MoreProblem Areas
Inspections by Location in Your Home
Mold hides in specific spots. If you know where your concern is, these targeted inspections go deep on that area.
Basement Mold Inspection
Moisture meters and thermal imaging pinpoint exactly where water is entering your basement and where mold is growing.
Learn MoreCrawl Space Mold Inspection
Crawl spaces are one of the most common places for hidden mold. We inspect every corner and document what we find.
Learn MoreAttic Mold Inspection
Poor ventilation and roof leaks trap moisture in attics. We identify the source and the extent of any mold growth.
Learn MoreBathroom Mold Inspection
Grout, caulk, and poorly ventilated bathrooms are prime mold spots. We test surfaces and air quality to give you the full picture.
Learn MoreAdvanced Services
Advanced Mold Testing Options
Post-Remediation Verification (PRV)
Independent clearance testing after mold remediation to confirm the job was done correctly before you re-occupy or close on a property.
ERMI Mold Testing
DNA-based dust testing that provides a comprehensive picture of mold history in your home. Especially useful for chronic health concerns.
Specialty Inspections
Moisture & Environmental Inspections
Moisture Intrusion Inspection
Identify exactly where water is entering your home using professional-grade moisture meters and thermal imaging.
Thermal Imaging Inspection
Infrared scanning reveals hidden leaks, trapped moisture, and temperature anomalies behind walls and ceilings.
Humidity & Ventilation Inspection
Assess whether your home's ventilation is causing excess humidity and creating conditions for mold growth.
Water Damage Inspection
After a flood or leak, this inspection documents the extent of water damage and identifies any mold that has already begun growing.
Pre-Purchase Mold & Moisture Inspection
Know what you are buying before you close. A pre-purchase inspection can save you thousands in unexpected remediation costs.
Why Mastertech
Independent Inspections. Unbiased Results.
I'm Tom Duff, the owner and lead inspector at Mastertech Environmental York. I've been doing mold inspections for over 17 years and have completed more than 8,000 inspections across York County and surrounding areas.
The most important thing that sets me apart: I do not sell mold remediation. That means you get completely unbiased results. If the problem is minor, I'll tell you that. No fear, no upselling, just facts.
What Homeowners Say
Trusted by York County Homeowners
"Tom was incredibly thorough. He found moisture behind our basement drywall that we never would have caught on our own. The report was clear and easy to understand."
"We were buying a home in York and Tom did our pre-purchase mold inspection. He found an issue in the attic that saved us thousands in negotiations. Highly recommend."
"No upselling, no scare tactics. Just honest, professional service. Got our results in 24 hours and Tom walked us through everything on the phone."
Get Started
Schedule Your Mold Inspection in York County, PA
Not sure which service you need? Just describe what's going on and I'll point you in the right direction. No pressure, no upselling - just honest guidance.
Our Promise
We don't sell cleanup services. You'll get honest, unbiased results and a clear explanation of what's happening in your home - nothing more, nothing less.