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    Average homeowner rating
  • Verified reviews icon43
    Verified mold testing and remediation services reviews

Top-Rated Mold testing and remediation specialists in Frederick - Updated Nov 2026

Avatar for Pure Maintenance of Colorado, LLC
Pure Maintenance of Colorado, LLC
4.8(
92
)
Mold & Toxic Material TestToxicity and Mold - RemovalDry-rot, Water or Pest Damage - Major Repair+2 more

Serving Frederick, CO and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services 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...

+35

Response time4 hrs
Response rate94%
14 neighbors recently requested a quote
Avatar for Aqua Dry Restoration Co LLC
Aqua Dry Restoration Co LLC
4.9(
16
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Frederick, CO and surrounding areas

Approved

In business since 2009

Credit card accepted

Offers commercial services

With over 10 years of professional experience, Aqua Dry Restoration Co. has certified professional technicians dedicated to your Water Restoration & Mold Remediation needs. We specialize in the cleanup and restoration of residential and commercial property after water damage. We also provide mitigation services for mold and mildew. Our staff is highly trained in property damage restoration. From initial and ongoing training to regular IICRC-industry certification, rest assured our staff is equipped with the knowledge to restore your property. \n \nWe understand the stress and worry that comes with water or mold damage and the disruption it causes your life and home or business. Our goal is to help minimize the interruption to your life and quickly make it "Like it never even happened." No damage is too large or too small for Aqua Dry Restoration CO. If you would like to schedule service for your home or business, please call today! Visit our website at https://www.aquadryco.com/

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+24

12 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Clean Sweep Environmental LLC
Clean Sweep Environmental LLC
5.0(
14
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Frederick, CO and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"Amazing company and team! Very trustworthy and knowledgeable about mold and other hazardous materials. They were very straightforward and honest about the mold issue, removal process, treatment and costs. Definitely recommend them to take care of any incidents involving hazardous materials in your home or business."
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7 neighbors recently requested a quote
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Mold Testing and Remediation FAQs, answered by experts

Eliminating mold from wood permanently poses a challenge as the mold spores have the ability to deeply penetrate the porous wood surface. While surface mold can be effectively eradicated with proper cleaning and preventative measures, it's difficult to guarantee its non-recurrence under favorable conditions. To prevent mold from reappearing, it is important to identify and resolve the root cause of the moisture that triggered mold growth initially.

Ensuring appropriate ventilation and a dry environment, or consider applying protective finishes such as sealant, varnish, or paint to prevent future moisture penetration and mold growth. Consistently inspect and maintain the area to keep the wood free from mold in the long term.

Mold inspections are worth it because they can catch troublesome mold problems early before they get out of hand. It's worth it to address mold problems as soon as possible because mold can be hazardous to your health and cause damage to your home and its belongings. Mold testing and inspections are the best way to know if you have a mold issue in your house.

Yes. Musty smells in your home usually signal that mold or mildew is lurking somewhere. Both can cause allergy symptoms in those who are allergic. Mold can cause structural damage and serious health issues if left unaddressed.

Mold can come back after cleaning, especially if the conditions are right. Mold loves moist environments, so if you clean a piece of furniture, then put it back in a humid area, the mold can return. Mold may also return if you missed an area during cleaning. A professional mold remediation company can help ensure that the mold is gone for good.

Exterior paint contains a higher level of VOCs, which can be dangerous if you’re exposed to it for a long period of time. The good news is that paint’s toxicity reduces significantly once fully dried and cured. Do not keep open exterior paint cans in your home, basement, or garage, exposing your household to harmful chemicals over time.

The Frederick, CO homeowners’ guide to mold testing and remediation services

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