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Find Mold & toxic material testers in Marshalltown

Avatar for Mold Test Company IA
Mold Test Company IA
4.3(
60
)

Serving Marshalltown, IA and surrounding areas

Approved

In business since 2015

Emergency services offered

Small jobs welcome

"This was worth every cent. They truly care about their customers and empathize with the struggles that mold can cause. They are thorough and there for you every step of the way. We were very impressed with the service and Larry Ross, the inspector that they sent out, was top notch, thorough and empathetic. They have truly been the light at the end of a very dark tunnel for me and my family. Highly recommend them to anyone needing mold testing."
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+71

14 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for The Professional Touch Inc
The Professional Touch Inc
5.0(
5
)

Serving Marshalltown, IA and surrounding areas

Approved

In business since 2010

Free estimates

Small jobs welcome

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!

Response time1 day
Response rate92%
3 neighbors recently requested a quote
Avatar for Milledge Construction
Milledge Construction
5.0(
9
)

Serving Marshalltown, IA and surrounding areas

Approved

Free estimates

Warranties offered

Credit card accepted

"Milledge Construction installed evacuators in our homes to reduce radon levels...the installer was very professional and explained in detail what needed to be done...it is amazing how quickly the radon level has subsided in just 24 hours...the installation and equipment is of high quality...if you only suspect you have a radon infection you should call Milledge Construction first...we were very impressed with the radon reduction results...5 stars for sure..."
Radon mitigation system
Radon Detection & Reduction Project
Radon Detection & Reduction Project
Radon Detection & Reduction Project
Radon Detection & Reduction Project

+56

Response time1 day
18 neighbors recently requested a quote
Recommended by100%of homeowners
Kendra's Remediation
5.0(
5
)

Serving Marshalltown, IA and surrounding areas

Approved

In business since 2012

Free estimates

Customers say: Quick response

"These people came in inspected the problem checked everything out very specific,showed us the problem where it started and what needed to be done.wrote everything down step by step to where we understood everything.very trust worthy dependable they know what they are doing and I would definitely recommend them to anyone for they are a company that you can trust and depend on.we are very pleased with there work and yes we are telling our friends and family to call Kendras Remediation if they need any work done."
Response time40 mins
Recommended by100%of homeowners
Avatar for Moldlab
Moldlab
4.7(
352
)

Serving Marshalltown, IA and surrounding areas

In business since 2000

Free estimates

Warranties offered

"The company sent a packet with instructions to provide samples from two sites. We returned these in the Priority envelope provided. Within a few days we received an evaluation of the mold. It does not appear to be a serious problem. I would have graded this work higher if the company had provided general guidelines for remediating the problem. We were relieved to find the problem not serious, but would have appreciated more clarity, such as a simple page outlining safe and unsafe do-it-yourself procedures materials materials. (Suggestions I found online, such as whether to use vinegar, bleach, etc., were sometimes confusing, even contradictory.)"
Recommended by89%of homeowners
PuroClean Disaster First Response
4.0(
4
)

Serving Marshalltown, IA and surrounding areas

In business since 2000

Free estimates

Warranties offered

"PuroClean showed up and began immediately to dry the damage floors. They also worked with our insurance company helping them understand the damage caused by the leak in a very short time, like less than a week. They were professional and provided Value for the their work including drying the damp areas from below the floor and above removing the possibility of a mold issue."
Recommended by75%of homeowners
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FAQs for mold & toxic material test projects in Marshalltown, IA

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 Marshalltown, IA homeowners’ guide to mold & toxic material tests

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