Top-rated mold & toxic material testers.

Get matched with top mold & toxic material testers in Porter, TX

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Mold & toxic material testers in Porter

Avatar for IAQ Analytical
IAQ Analytical
4.7(
49
)

Serving Porter, TX and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Indoor quality testing. Was getting sick with allergies and he found mold. He explained everything in detail and was very professional, honest, punctual. He has solved are problems and we're glad we found him."
Certification Seal from ACAC
Response time1 day
15 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Texas Mold Advisors LLC
Texas Mold Advisors LLC
5.0(
5
)

Serving Porter, TX and surrounding areas

Approved

In business since 2009

Free estimates

Small jobs welcome

At Texas Mold Advisors we focus our attention on figuring out the cause of the problem not just running air samples and telling you what kind of mold you have. Our extensive knowledge in construction aids us in deciding how to find the problem and how to direct the remediation team to a quick and favorable outcome so the home owner can move past their mold problem and get on with their life.

Mold Testing
Avatar for Tox IQ
Tox IQ
5.0(
5
)

Serving Porter, TX and surrounding areas

Approved

In business since 2025

Free estimates

Small jobs welcome

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

Project Photos
Project Photos
Project Photos
Project Photos
1 neighbors recently requested a quote
Avatar for Rainbow Restoration of Magnolia TX
Rainbow Restoration of Magnolia TX
5.0(
2
)

Serving Porter, TX and surrounding areas

Approved

In business since 2024

Emergency services offered

Warranties offered

For nearly 40 years Rainbow Restoration, a Neighborly company, has made disasters disappear! We have provided professional restoration services for jobs big and small. We understand how critical it is to get people back in their homes and companies back in operation quickly.\n\nThat's why Rainbow Restoration uses only the best equipment, innovative technologies and a built-in accountability process to assure every job is done right. Setting the highest standards in water, fire, smoke and mold damage restoration, where customer anxieties can run high, requires a continuous focus and dedication to self-analysis and improvement.\n\nOnce Rainbow Restoration is on the job, customers can expect quality results and a superior customer experience. Rainbow Restoration sets the benchmark in home restoration and commercial restoration.

Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

3 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for AJ Environmental Consulting, Inc.
AJ Environmental Consulting, Inc.
4.8(
53
)

Serving Porter, TX and surrounding areas

In business since 2017

Emergency services offered

Credit card accepted

"My grandmother had some suspicious areas pop up in her home we wanted to have tested for mold. Received a call from the company within seconds after filling out the form (despite being after business hours) the lady we spoke to was very informative and was able to have someone at my Granny’s house at 9am the next morning. Also received a 24hr report turn around. Positive experience with this company!"
Sharing our knowledge
Rebecca Thomas, MAC
Karlin Higgins, MAT
Thermal Image
Thermal Image

+16

Response time1 day
Response rate87%
Recommended by100%of homeowners
Avatar for Elite Mold Testing & Assessment
Elite Mold Testing & Assessment
5.0(
17
)

Serving Porter, TX and surrounding areas

Free estimates

Emergency services offered

Small jobs welcome

"Rodnie with Elite Mold Testing was amazing! He came out for an in-home assessment and provided a detailed report afterwards. He was able to refer me to a company for mold remediation. A few weeks after his assessment, I called him with a few questions and he still remembered my property. I work with many contractors. Rodnie provides exceptional service."
Damaged insulation
Didn't know we had mold
Didn't know we had mold
Mold hidden within the pantry
Didn't know we had mold

+40

Response time2 days
Recommended by100%of homeowners
Avatar for LoneStar Mold Testing
LoneStar Mold Testing
4.9(
105
)

Serving Porter, TX and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"Lance was prompt, professional and very knowledgeable as he explained the process of mold testing to me. He patiently and clearly answered my questions, I highly recommend Lone Star Mold Testing."
Apartment Complex College
Apartment Complex College
Water damage floors
Mold growth on drywall
Home for sale

+22

Response time2 hrs
Response rate85%
Recommended by95%of homeowners
Showing 1-10 of 46
FAQs for mold & toxic material test projects in Porter, TX

Some companies offer a no‑cost phone or video consultation that screens for red flags. If the discussion points to a real issue, the pro will recommend a paid on‑site inspection. The complimentary call clarifies whether you need full testing, but it isn’t a substitute for samples, lab work, or a written report. Always confirm what the free service covers before you schedule.

A standard inspection, which includes basic air and surface samples, takes an average of two hours. If the pro needs to probe hidden spaces, such as wall cavities or ductwork, plan on up to six hours. Extra time allows the inspector to reach tight areas, collect additional samples, and document findings. Lab analysis is a separate process and often adds several business days to the overall timeframe before you receive the full report.

Mold thrives where moisture lingers and air flow is poor. Common hotspots include bathroom walls, kitchen backsplashes, window sills, HVAC vents, fireplaces, crawl spaces, and enclosed attics. Check these areas regularly—especially after leaks or high‑humidity weather—to catch growth early and avoid costly repairs.

Unchecked mold can knock 20% to 37% off a home’s market value because buyers worry about hidden damage and health risks. Even after remediation, visible staining or a history of major moisture issues can still lower offers and prolong the time on the market. Addressing mold quickly protects both your property’s structural integrity and its resale appeal.

The Porter, TX homeowners’ guide to mold & toxic material tests

From average costs to expert advice, get all the answers you need to get your job done.