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Katy, TX

Mold Inspection and Testing in Katy, TX

Katy, TX has 15 mold inspection and testing companies in our listings, 4 list themselves as open 24 hours and the most reviewed is About The House - Inspection Services with 120 reviews.

15 Companies Doing Mold Testing Work in Katy

  1. 1

    Max Henson Home Inspections PLLC TREC #21176

    403 W Grand Pkwy S · Katy 0.2 mi

    Google rating 5.0 from 48 Google reviews

    Top Rated 2026

    Mold TestingAsbestosLead Paint

  2. 2

    AQ Testing

    23227 Red River Dr · Katy 0.5 mi

    Google rating 4.6 from 52 Google reviews Facebook 4.0

    Highly Rated 2026

    Water DamageMoldMold TestingFire and Smoke

  3. 3

    Pro House Inspections

    23010 Franz Rd #10110 · Katy 1.8 mi

    Google rating 4.8 from 86 Google reviews

    Top Rated 2026

    Mold TestingAsbestosLead Paint

  4. 4

    ESE Partners

    2002 W Grand Pkwy N Ste 140 · Katy 1.9 mi

    Google rating 4.0 from 3 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingAsbestosLead Paint

  5. 5

    Flood Masters Katy24/7

    25757 Westheimer Pkwy #300 · Katy 2.4 mi

    Google rating 5.0 from 12 Google reviews

    Highly Rated 2026

    Water DamageMoldMold Testing

  6. 6

    Cane Island Mold Inspections24/7

    20501 Katy Fwy · Katy 2.8 mi

    No public reviews yet

    Verified Remediation Pro

    Mold Testing

  7. 7

    Neko

    5727-B Hwy Blvd #7 · Katy 3.0 mi

    Google rating 5.0 from 6 Google reviews Yelp 3.0

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and Smoke

  8. 8

    L&T General Contractors and Restoration, Inc.

    3313 Porter Rd #105 · Katy 3.2 mi

    Google rating 4.4 from 92 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeSewage

  9. 9

    About The House - Inspection Services

    20303 Hickory Chase Ct · Katy 3.3 mi

    Google rating 4.9 from 120 Google reviews

    Top Rated 2026

    Mold Testing

  10. 10

    AdvantaClean of Houston West24/7

    20770 Westheimer Pkwy #506 · Katy 3.5 mi

    Google rating 4.5 from 24 Google reviews

    Highly Rated 2026

    Water DamageMoldMold TestingFire and SmokeSewage

  11. 11

    ProGeneralService

    Service area business · Katy 3.6 mi

    Google rating 5.0 from 2 Google reviews

    Verified Remediation Pro

    Water DamageMold TestingOdor

  12. 12

    Texas House Check - Home Inspection

    7307 Alder Springs Ln · Katy 4.1 mi

    Google rating 5.0 from 80 Google reviews

    Top Rated 2026

    Mold Testing

  13. 13

    Singular Home Inspections

    565 S Mason Rd · Katy 5.2 mi

    No public reviews yet

    Verified Remediation Pro

    Mold Testing

  14. 14

    Reliant Mold Testing & Inspections24/7

    19631 Tully Meadows Ct · Katy 6.9 mi

    Google rating 3.7 from 3 Google reviews

    Verified Remediation Pro

    Water DamageMoldMold TestingFire and SmokeAsbestos

  15. 15

    United Air Duct Cleaning And Restoration Services

    Service area business · Katy 9.7 mi

    Google rating 4.7 from 53 Google reviews Facebook 4.3

    Top Rated 2026

    Water DamageMoldMold Testing

Hire an Independent Inspector

A mold inspector tells you whether you have a problem, where it is and what caused it. A remediator removes it. When the same company does both, it has a reason to find mold. If you can, hire an inspector who does not do remediation, and ask the remediator to follow that inspector’s written plan.

Ask the inspector what the visit includes. A good one looks for the moisture source first, uses a moisture meter and often a thermal camera, and only takes air or surface samples when the result will change what you do. After the work, a clearance test by the same independent inspector shows whether the job is done.

How to read a mold lab report

Mold Licensing in Texas

Texas licenses mold assessment consultants, assessment technicians, remediation contractors, remediation workers and the companies they work for through the Texas Department of Licensing and Regulation. A license is needed when the mold covers 25 contiguous square feet or more.

State law says a license holder may not do both the mold assessment and the mold remediation on the same project. A person also may not own a share of both the assessment company and the remediation company on the same project. You can check any license with the TDLR license search.

Can You Handle It Yourself

Call a pro

Home test kits that grow spores in a dish almost always grow something, because mold spores are everywhere. They cannot tell you whether you have a problem. A moisture meter and a flashlight will tell you more for less money.

Read the step by step guide

Reviews on Other Sites in Katy

On Angi

We did not find an Angi profile we could match to a company here yet.

BBB

We did not find a BBB profile we could match to a company here yet.

Also matched here, 2 on Facebook and 1 on Yelp. Those show on each company row above.

A BBB profile is a listing with the Better Business Bureau. It is not the same as BBB accreditation. We only list a profile when its name and city match the company.

What It Costs Around Katy

Prices in the Houston-Pasadena-The Woodlands, TX area run close to the national average, so local jobs tend to cost about the same as the national figures.

JobTypical in KatyNational typical
Mold Inspection and Testingper visit, a visual inspection$200 to $600$200 to $600
Mold Inspection and Testingper visit, an inspection with samples$300 to $1,000$300 to $1,000
Mold Inspection and Testingper visit, a clearance test$300 to $800$300 to $800

Full Houston cost guide

Questions to Ask Before You Hire

  1. Do you also do remediation? If so, who checks your work?
  2. How many air samples will you take, and will you take an outdoor control sample?
  3. Which lab analyzes the samples, and is it accredited?
  4. Will the report include moisture readings and photos, not only lab numbers?
  5. Are you licensed as a mold assessor where this home is?

Guides for This Job

Questions People Ask

How many mold inspection and testing companies serve Katy?
We list 15 companies in Katy, TX. 2 of them work from a service area without a public storefront.
Which mold inspection and testing companies in Katy are open 24 hours?
4 list themselves as open around the clock, including AdvantaClean of Houston West, Flood Masters Katy and Reliant Mold Testing & Inspections. Hours are self reported, so call to confirm someone answers at night.
Who has the best reviews in Katy?
Among companies with at least 20 public reviews, the highest rated are Texas House Check - Home Inspection (5.0 from 80), Max Henson Home Inspections PLLC TREC #21176 (5.0 from 48) and About The House - Inspection Services (4.9 from 120). A high rating from a small number of reviews is weaker evidence than a slightly lower rating from hundreds.

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