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Find Mold & toxic material testers in Longmont

Avatar for Pure Maintenance of Colorado, LLC
Pure Maintenance of Colorado, LLC
4.9(
73
)

Serving Longmont, CO and surrounding areas

Angi Approved

In business since 2018

Free estimates

Warranties offered

"We hired Pure Maintenance of Colorado after another remediation company failed to properly contain mold during cleanup. Pure Maintenance was everything we needed — professional, knowledgeable, compassionate, and extremely thorough. They spent three full days deep cleaning, doing small-particle removal, and fogging the entire house and ventilation system. What truly matters is the outcome: the air in our home feels fresh and clean, and our child, who has mold sensitivities, has had no reactions since the treatment. The difference is night and day. We are sincerely grateful and give Pure Maintenance of Colorado our highest recommendation."
Chevy City Express equipped with dry-fogging tech
Dry-fogging nozzles in action
Dry fog in action
Start
Almost There...

+2

Response time4 hrs
Response rate94%
Recommended by94%of homeowners
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Avatar for Colorado Mold Services, LLC
Colorado Mold Services, LLC
4.8(
157
)

Serving Longmont, CO and surrounding areas

Angi Approved

In business since 2012

Emergency services offered

Credit card accepted

"We have turned to Jim several times for help and he has always been responsive and caring. He has extensive knowledge of mold and the danger it can be to our health and wellbeing. I wouldn't trust anyone else!"
Response time3 hrs
Response rate89%
Recommended by96%of homeowners
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Avatar for A Healthy Home, LLC
A Healthy Home, LLC
4.9(
19
)

Serving Longmont, CO and surrounding areas

Angi Approved

In business since 1996

Free estimates

Customers say: Quality work

"Bob was efficient and a great communicator. He tested my ceilings for asbestos and was very flexible with my schedule. He made the process really simple and I got test results back quickly."
Response time9 hrs
6 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Mold Test Company Colorado
Mold Test Company Colorado
4.3(
61
)

Serving Longmont, CO and surrounding areas

Angi Approved

In business since 2008

Emergency services offered

Small jobs welcome

"Craig was an encyclopedia of information that helped me immensely. He gave of his time and expertise freely. I'm so impressed with this company!"
Mold Testing
Mold Testing
Mold Testing
Mold Testing
Mold Testing

+71

Response time1 day
92 neighbors recently requested a quote
Recommended by83%of homeowners
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Avatar for Skyline Property Services
Skyline Property Services
4.8(
3
)

Serving Longmont, CO and surrounding areas

Angi Approved

In business since 2019

Free estimates

Small jobs welcome

"Scott takes the time to explain how the systems work and had insight for necessary repairs needed to get the home up to code. He took the time I needed to make me comfortable in my decision to purchase. He is knowledgeable and thorough."
Thermal Imaging
Home Inspection
Response time3 hrs
Recommended by100%of homeowners
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FAQs for mold & toxic material test projects in Longmont, CO

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 Longmont, CO homeowners’ guide to mold & toxic material tests

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

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