Mold Inspection & Testing in Austin
We connect Austin homeowners and renters with licensed, independent mold assessors — the kind who test your home and don't bid on the repair.
- Testing only — never remediation
- Licensed Texas mold assessors (TDLR)
- Transparent pricing, free estimates
How it works
1. Tell us about your home
Share your ZIP code and what you're seeing — a musty smell, a past leak, or a spot on the wall. Takes two minutes.
2. We match you with an assessor
You're connected with a licensed, testing-only mold assessor covering your part of the Austin area.
3. Get lab-backed results
A detailed written report with lab analysis, usually within a couple of days — yours to act on however you choose.
How Much Does Mold Testing Cost in Austin?
Most Austin homeowners pay between $315 and $395 for a standard mold inspection, which typically covers a visual inspection plus two air samples with lab analysis. Larger homes, crawl space access, or additional samples push that toward $500 or more.
Serving Austin and Surrounding Areas
We proudly provide mold testing services in:
- Downtown Austin
- East Austin
- Hyde Park
- Zilker
- Mueller
- Round Rock
- Cedar Park
- Pflugerville
- Georgetown
- Buda
Why Austin Homes Get Mold
Fast-Built New Construction
Austin has added housing faster than almost any city in the country, and speed shows up in the details — flashing gaps, unsealed window penetrations, and stucco or siding installed over wet framing.
Why it matters: Moisture trapped inside a wall assembly during a rushed build feeds mold for years, and a builder's cosmetic warranty walk-through won't catch it.
In Austin: We regularly hear from owners of homes under five years old in Mueller, Pflugerville, and the new suburbs who assumed mold was an old-house problem. Here, it often isn't.
Flash Flooding and Creek Rises
Central Texas is flash-flood country. Storms that drop inches of rain in an hour send Onion Creek, Shoal Creek, and their tributaries over their banks fast.
Why it matters: Even homes that never take standing water get saturated soil against the slab and wet lower wall cavities — and mold starts within 24 to 48 hours of a wetting event.
In Austin: If your street drains toward a creek, or your home has flooded before, testing after a major storm tells you whether the drying actually finished the job.
Air Conditioning Condensation
Austin summers mean months of heavy AC use against humid air rolling up from the Gulf. That temperature gap creates condensation inside wall cavities, around ductwork, and at the air handler.
Why it matters: This mold grows where you can't see it — behind drywall and inside the HVAC system that distributes air through the whole house.
In Austin: Tightly built new homes trap humidity indoors when the AC short-cycles, and older Hyde Park and East Austin houses sweat at every uninsulated duct run.
Slab Foundations on Limestone
Much of Austin sits on shallow Hill Country limestone, with slab-on-grade foundations poured over thin, poorly draining soil.
Why it matters: Water moves along the rock and pools against slabs instead of soaking away, wicking moisture up into flooring and baseplates — and slab plumbing leaks stay hidden under the surface.
In Austin: West of I-35 especially, grading and drainage decide whether a slab stays dry. A musty smell at floor level in a slab home is worth taking seriously.
Unbiased
We only test. We never sell remediation, so there's no incentive to find a problem you don't have.
Licensed
Texas licenses mold assessors through TDLR. We only work with assessors who hold a current license.
Why Austin Homeowners Use an Independent Assessor
Most companies offering free mold inspections in Austin also sell remediation, which runs several thousand dollars a job. That doesn't make them dishonest — but it does mean you're asking someone whose revenue depends on finding a problem whether you have one. We test, we report, and we walk away.
No remediation upsell
We don't bid on the repair, so the report says exactly what the lab found — nothing more.
Written, lab-backed reports
Documentation you can hand to an insurer, a landlord, a builder, or a buyer.
Texas-licensed assessors
Every assessor in our network holds a current TDLR mold assessment license.
Mold Testing in Austin: Common Questions
How much does a mold inspection cost in Austin?
Most Austin homeowners pay $315 to $395 for a standard inspection with two air samples and lab analysis. Larger homes, difficult crawl space access, or additional samples can push the total to $500 or more. Individual lab samples run $75 to $125 each.
My house is only a few years old — can it really have mold?
Yes, and in Austin it's one of the most common calls we get. Rapid construction leaves behind moisture-intrusion defects — bad flashing, unsealed penetrations, framing that was rained on and closed up wet. New homes are also built tight, so humidity that gets in stays in. Age protects you from nothing; the building's moisture history is what matters.
What is the mold law in Texas?
Texas regulates mold work through the Texas Department of Licensing and Regulation. Mold assessment and mold remediation are separate licenses, and with limited exceptions the same company cannot both assess and remediate the same property. The rule exists precisely because a company that profits from remediation has an incentive to find more mold. Independent testing is the model Texas law is built around.
I'm renting near UT and my landlord says the mold is 'just mildew.' What can I do?
Get it tested independently. A lab-backed report from a licensed, testing-only assessor turns a he-said-she-said dispute into documented evidence you can put in front of a landlord, a property manager, or the City of Austin's code department. Because we don't sell remediation, nobody can dismiss the report as a sales pitch.
Do you do mold removal in Austin?
No, and that's deliberate. We only perform testing and assessment. If your results show you need remediation, you take our report to a licensed remediation contractor of your choosing. We have no financial relationship with whoever you hire.
What an Austin mold inspection costs
Pricing depends far more on how many samples get analyzed than on anything else. The inspection labor is similar from job to job; the lab work is what scales.
| What you’re buying | Typical Austin cost |
|---|---|
| Visual inspection only | $150–$300 |
| Standard inspection + 2 air samples | $315–$395 |
| Each additional sample | $75–$125 |
| Large home (4,000+ sq ft) | $500–$800 |
| Post-remediation clearance test | $250–$600 |
If a quote comes in well above these ranges, ask how many samples it includes and whether lab analysis is bundled. Those two questions explain most of the difference between a $350 quote and a $900 one. For the full national breakdown, see our guide to what mold testing costs, or compare against other Texas metros.
Texas licenses mold assessors — and separates them from remediators
This matters more in Texas than in most states. The Texas Department of Licensing and Regulation issues separate credentials for mold assessment and mold remediation, and with limited exceptions the same company is not permitted to both assess and remediate the same property.
The reasoning is straightforward: an assessor paid to find mold, who then profits from removing it, has an obvious conflict. Texas wrote the separation into law rather than trusting companies to manage it themselves.
Mold Catchers operates on the side of that line where the incentives are clean. We test, we report what the lab found, and we have no financial interest in what happens next. Every assessor in our Austin network holds a current TDLR mold assessment license — worth verifying for anyone you hire, ours or not, through the TDLR license search.
New construction is Austin’s blind spot
In most cities, mold questions start with old houses. In Austin, some of the moldiest walls we hear about are in homes built in the last five years. The building boom that put thousands of new roofs across Mueller, Pflugerville, Round Rock, and Buda also compressed construction schedules — and moisture control is usually what gets compressed.
The pattern repeats: framing that sat through spring storms and was dried out on paper but not in practice, window and roof flashing installed fast, exterior cladding sealed up before the assembly underneath was dry. The house looks flawless at closing. The problem is inside the wall, where a one-year builder warranty inspection never looks.
Testing is how you find out while it still matters. Air sampling picks up elevated spore levels from hidden wall-cavity growth, and a written, lab-backed report is exactly the documentation a builder-warranty claim or a construction-defect dispute needs. If your new home has a persistent musty smell, unexplained allergy symptoms, or visible staining at window corners or baseboards, test before the warranty clock runs out — not after.
Renters and student housing: testing settles the argument
Austin’s rental market is enormous, and the aging apartment and condo stock around UT, Hyde Park, and Riverside produces a steady stream of tenant mold disputes. The usual script: the tenant reports a smell or a stain, management wipes it down or repaints, and the conversation stalls at “it’s just mildew.”
An independent test changes that conversation. Because the assessor holds a TDLR license, only tests, and sells nothing else, the result is evidence rather than opinion — spore counts and species identification from an accredited lab, in a written report. Tenants use it to compel a real fix or support breaking a lease; honest landlords use it the other way, to document that a unit is actually clean. Either way, the dispute ends with data instead of a standoff.
If you’re weighing whether it’s worth the money, the national cost guide covers when testing pays for itself — and when it doesn’t.
Book Your Austin Mold Test
Get a straight answer about what's in your home — from someone with no stake in the repair.