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Attic Decontamination Services

Transform your attic into a cleaner, healthier, and energy-efficient space. Book your free expert inspection in under 60 seconds.

Attic Decontamination Services


Rodent droppings, urine, and mold spores from your attic can release contaminants into the air, and through what is known as the stack effect, that air gets pulled down into your living space every time your system runs.

The danger isn’t always visible. Dried rodent waste can carry pathogens that become airborne the moment it’s disturbed, which makes DIY cleanup riskier than most homeowners realize.

We sanitize contaminated attics using hospital-grade disinfectants, addressing the health risk at its source instead of just clearing out debris.

Get Your Free Attic Thermal and Contamination Report

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Over 2,000 5-Star Reviews From Homeowners Like You


Here’s what real customers say after we fix their attics.

ExcellentGoogle star 1Google star 2Google star 3Google star 4Google star 54.9898 reviews
4.9Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent898 reviews
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Victoria Bettencourt profile picture
Victoria B
0 days ago
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Very professional, great communication. Fixed all our issues. Definitely recommend.
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Markus Klotzek profile picture
Markus K
0 days ago
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Nice work. Friendly staff. Definitely recommend
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Vincent Pitts profile picture
Vincent P
1 days ago
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Jonathan and his crew cleaned my attic and crawl space, sealed all of the entry points to keep the rodents out and installed new insulation. They arrived on time and despite sweltering heat they completed the job in a timely and professional manner. Additionally, they answered all of my many questions. I would strongly recommend them.
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T Cao profile picture
T C
1 days ago
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Angel and his team did an amazing job. Very clean and respectful of the house. Very informative through out the process.
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Damien CROQUEVIELLE profile picture
Damien C
4 days ago
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Extra good quality vs price rate. I really appreciated people working for this company. I’d recommend 100%
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Jaryd Chavarria profile picture
Jaryd C
5 days ago
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They sent over Brian for a free inspection. He was friendly and knowledgeable. He was able to show the drain leak issue we have. Unfortunately, it’s not in their scope of service. But he helped us find and speak to plumbing company. Thank you Brian!
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Morag Bishop profile picture
Morag B
6 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Milton and Will did a great job. Very professional and clean workers. Very nice to have around!
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Frank W profile picture
Frank W
7 days ago
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We had a great experience with Attic Construction for our attic cleanup and insulation! A huge thank you to John and Ryan, and to the crew Kaiden, Alex, and Tony for all their hard work. Everyone was professional, friendly, and thorough, and we really appreciated the care they put into our home. This was a big project for us, and we’re so happy with the results. Highly recommend Attic Construction to anyone needing attic cleanup or insulation. Thank you again to the entire team!
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Travis Engelking profile picture
Travis E
11 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Jason, Mateo, kaden and Alex, John and Ryan worked all day long to get the job done right. Thanks again for the hard work and great job.
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Beatrice Hauser profile picture
Beatrice H
11 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Milton and his crew did a great job. They are a hard Working crew. They kept me informed throughout the process and finished in a timely manner. I highly recommend attic construction
Posted on Google Google
Scot Stirling profile picture
Scot S
12 days ago
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Our house is going on 30 years old and we knew from other subs and trades that the attic insulation was uneven across the house and inadequate in places. We had all of the old insulation removed, the space cleaned up, openings sealed, baffles installed, and new R-49 fiberglass insulation blown in. Angel and his crew were prompt, very polite and respectful of our house, and worked diligently to complete the job in a timely manner. They kept the areas of their work neat and clean and left no mess behind. The space looks great, and we are looking forward to realizing the benefits of the new insulation right away.
Posted on Google Google
Kurt Erickson profile picture
Kurt E
13 days ago
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Josh and his team showed up right on time and were ready to go. He explained everything in detail as far as process, measuring sticks, etc. They were extremely clean and respectful to our home. Made my wife happy 😃. They were very courteous and answered all my questions. I feel very comfortable recommending Attic Construction and this team to any. Thanks guys for a job well done! We are Happy Homeowners!

What Our Attic Decontamination Service Includes

Decontamination goes beyond a standard cleanup, targeting the biological hazards a regular cleaning would miss.

Contaminated Material Removal

We safely remove soiled insulation, animal waste, and other physical debris using industrial-grade vacuums built to contain contaminants rather than spread them.

Hospital-Grade Sanitization

We apply powerful, EPA-registered disinfectants to neutralize bacteria, viruses, and pheromones left behind by pests, treating the space rather than just the visible mess.

Odor Elimination

Because we address the source of contamination rather than masking it, foul odors tied to rodent activity or mold are eliminated along with the material causing them.

Common Attic Contaminants We Remove

A few hazards show up in nearly every contaminated attic we treat:

 

  • Rodent droppings and urine: Waste left behind by rats and mice can carry pathogens like hantavirus and salmonella, especially once it dries out and becomes airborne.
  • Mold and mildew: Moisture trapped in insulation encourages fungal growth, releasing spores that can trigger asthma and allergy symptoms.
  • Dust mites and allergens: Accumulated dust and pest dander circulate through your HVAC system, lowering indoor air quality throughout the home.

 

Left untreated, these contaminants tend to compound each other rather than staying contained to one area.

Our Decontamination Process

We begin with a thorough inspection to identify the type and extent of contamination, including hidden rodent nests or mold growth that isn’t immediately visible. From there, we safely remove all physical debris, soiled insulation, and animal waste using industrial-grade vacuums designed to prevent particles from spreading during cleanup. We finish by applying hospital-grade disinfectants across the space to neutralize bacteria, viruses, and pheromones, leaving your attic sanitized rather than just cleared out.

Why Professional Decontamination Matters

Rodent droppings and urine are classified as biohazard material for good reason. Disturbing dried waste by sweeping or vacuuming it with a standard household vacuum can release contaminated particles into the air, which is exactly the exposure risk professional decontamination is designed to avoid. 

Our technicians use containment methods and hospital-grade disinfectants specifically because a partial or improperly handled cleanup can do more harm than leaving the space alone.

Why Homeowners Choose Us for Attic Decontamination

Decontamination only works if contamination is fully addressed, not just the parts that are easy to see.

 

  • Health-first approach: We treat decontamination as a health and safety service, not just a cleaning job.
  • Industrial-grade equipment: Our vacuums and containment methods are built to remove contaminants without spreading them further.
  • Eco-conscious products: We use effective disinfectants that neutralize pathogens without relying on harsh chemicals throughout your home.
  • One-year workmanship warranty: If anything about the work needs a second look, we come back and take care of it.

Proudly Serving a City Near You

Attic contamination can happen in any home, in any city, which is why we bring hospital-grade decontamination to homeowners throughout Southern California, Arizona, and Texas. We currently serve:

Get Your Attic Safely Decontaminated

If you suspect rodent activity, notice a musty smell, or want reassurance about what’s in your attic, schedule your free inspection. We’ll assess the extent of any contamination and walk you through exactly what needs to happen to make the space safe again.

Frequently Asked Questions (FAQs)


How much does attic decontamination cost?

Cost depends on the size of your attic and how extensive the contamination is. A free inspection gives you an accurate estimate rather than a guess based on square footage alone.

Is it safe to clean up rodent droppings myself?

It’s not recommended. Sweeping or vacuuming dried droppings with a standard household vacuum can release airborne particles that carry pathogens like hantavirus, which is why professional containment and disinfection matter.

What contaminants do you remove during decontamination?

We address rodent droppings and urine, mold and mildew, and accumulated dust and allergens, treating each as a distinct hazard rather than a single generic mess.

Do you use harsh chemicals during decontamination?

No. We use effective, hospital-grade disinfectants that neutralize bacteria and pathogens without relying on harsh chemicals that could affect your indoor air quality.

How long does attic decontamination take?

Most decontamination projects are completed in a single visit, though the exact timeline depends on your attic’s size and the extent of the contamination found during inspection.

Get Your Free Attic Thermal and Contamination Report

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How it works

Four Steps From Your Free Attic
Inspection To A Comfortable Home


Schedule Your
Free Inspection
Call or fill out the form to pick a day and time that works for you.
In-Home Attic Inspection
Our specialist inspects your attic & documents findings in your free Attic Thermal and Contamination Report.
Match a Plan to Your Budget
Review our GOOD, BETTER, and BEST options to choose the level of cleaning, sealing, and insulation you need.
Fast Turnaround, Lasting Comfort
Our crew does the work, cleans up daily, and leaves you with a cleaner, more comfortable home.
You’ll know what happens next at every step, from the first call to the final walkthrough.

Free Inspection

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