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TRUSTED BY WALNUT, CA HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon19
    Verified mold testing and remediation services reviews

Verified Reviews for Mold Testing And Remediation pros in Walnut, CA

*The Angi rating for Mold Testing And Remediation companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.

*The HomeAdvisor rating for Mold Testing And Remediation companies in Walnut, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Mold Testing And Remediation needs.

Last update on August 24, 2026

Find Mold testing and remediation specialists in Walnut

Avatar for Pure Restoration Inc
Pure Restoration Inc
4.4(
84
)
Toxicity and Mold - RemovalDry-rot, Water or Pest Damage - Major RepairToxicity and Mold - Removal - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"The job went smoothly and was completed in a timely manner. The places where there was mold were identified and the drywall and/or insulation were removed. Any mold on wood framing were scrubbed."
Mold Remediation
Mold Remediation
Mold Remediation
Mold Remediation
Mold Remediation

+93

Response time1 day
Response rate100%
9 neighbors recently requested a quote
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Avatar for Mold Solutionz 24/7
Mold Solutionz 24/7
4.2(
35
)
Mold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"I appreciated Nick for his obvious knowledge and experience with remediation. He was the only one to really talk through options of the 5 companies that came. Everyone else said "this is what we need to do". His pricing seemed fair as well (ALL the quotes I got were expensive). I think he was the 2nd lowest quote. If it's an emergency, I'd say Nick is a fine choice. If you have time, I recommend getting a quote from 5 different companies (or more). An extra bonus with Nick is he has recommended contractors who can do the repairs or plumbing (if needed). But he does not push you to use them or make it seem like you have to use them. It is important to note that Nick only does the remediation. So if they need to cut into a wall or tear something out, it will be an additional cost to then repair it. But I could not find a company that did both remediation AND repair that I was comfortable with."
demo
pic 2
Response time11 hrs
Response rate89%
Recommended by89%of homeowners
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Avatar for 911 Certified Mold Testing LLC
911 Certified Mold Testing LLC
5.0(
8
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"A few months ago I used 911 certified mold testing for my home they were referred to me by my plumber. I had a great experience dealing with this company they were very professional and knowledgeable about mold testing. They were also reasonable in their pricing! I highly recommend using this company for mold testing."
Response time4 hrs
Response rate93%
1 neighbors recently requested a quote
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Avatar for Pure Mold Masters
Pure Mold Masters
5.0(
8
)
Mold & Toxic Material TestToxicity and Mold - RemovalMold & Toxic Material Test - For Business+1 more

Serving Walnut, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Warranties offered

"Not only did Matt and his crew do an excellent job but they went above and beyond their excellent service."
House Fogs
House Fogs
House Fogs
House Fogs
Fog

+6

Response time9 hrs
Response rate92%
7 neighbors recently requested a quote
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Avatar for Envirotech Restoration
Envirotech Restoration
4.9(
8
)
Indoor Air Quality TestingMold & Toxic Material Test

Serving Walnut, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"He is professional, honest and very good."
Response time1 day
3 neighbors recently requested a quote
Recommended by100%of homeowners
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Avatar for Night And Day Restoration LLC
Night And Day Restoration LLC
5.0(
5
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

Night & Day Restoration LLC specializes in water damage restoration and professional mold testing. Whether you're dealing with a leak, flooding, moisture concerns, or suspected mold, our team will assess the situation, explain what we find, and recommend the right next step.\nWe provide water extraction, structural drying, moisture detection, HEPA air filtration, mold air and surface testing, odor treatment, and structural cleaning. Our team is IICRC Water Restoration Technician (WRT) certified, and we pride ourselves on fast communication, detailed documentation, honest recommendations, and treating your home like it’s our own.\n

21 neighbors recently requested a quote
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Avatar for Mold Test Company NO CA
Mold Test Company NO CA
3.8(
119
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 2018

Emergency services offered

Small jobs welcome

"Every step of the way was punctual, professional and well explained. I would recommend Mold Test Company to anyone."
Drywall
Drywall
Drywall
Insulation
Insulation

+71

Response time1 day
233 neighbors recently requested a quote
Recommended by81%of homeowners
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Avatar for Hippo Home Inspections
Hippo Home Inspections
4.9(
153
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Walnut, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Emergency services offered

Small jobs welcome

"Excellent verbal and written communication. Timely LAB Report for three AIRBORNE tests for mold. A professional approach in offering additional services to help the customer with mold remediation."
Response time4 hrs
Response rate89%
60 neighbors recently requested a quote
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Avatar for Quality Restoration inc
Quality Restoration inc
5.0(
9
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Walnut, CA and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"There crew where amazing on removing and the mold materials from my home I would recommend them to anyone"
1 neighbors recently requested a quote
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Mold Testing and Remediation questions, answered by experts

Mold and other fungi love moisture, so the best way to prevent mold growth after water damage is to remove as much moisture as possible. First, find the source of the water or moisture, such as a leak or clogged gutters, and correct the problem. Next, remove standing water, vacuum up puddles with a shop vacuum, and run blower fans and dehumidifiers for 24 to 72 hours. Once you've removed all traces of moisture, disinfect the area using either vinegar or bleach to kill any remaining mold spores.

The answer to whether it’s safe to use a moldy dishwasher is: It depends. Mold exposure affects people differently. It’s possible that even a small amount of mold in your dishwasher could contribute to respiratory issues and other health problems, especially if you have an underlying health condition. Mold is capable of surviving the high heat and detergent used in a dishwasher cycle, so it’s important to ensure that you act quickly at the first sign of mold, or contact a house cleaner near you to stay on top of any potential mold problems.

Black mold and wood rot are both types of fungi that thrive in damp areas, but they are distinct issues with different consequences. Wood rot specifically refers to the decay of wood caused by fungi, which compromises the wood's structural integrity. Black mold, on the other hand, is a fungus that grows on the surface of materials, including both rotting and non-rotting wood. The primary difference is their impact: wood rot affects the wood's structure, while toxic black mold is a health hazard. Inhaling black mold spores can cause severe respiratory issues, whereas wood rot spores are generally not harmful to people. Because mold can grow on rotting wood, the two issues can be interconnected, but they are not the same.

Mold can be hazardous to your health. Some people are allergic to mold and experience a reaction when exposed to mold spores. The reaction varies from person-to-person, but can include a runny nose, skin irritation, and asthma attack. Mold can also be irritating to people who aren't allergic, causing respiratory, skin, and eye irritation. In some cases, mold exposure can lead to infections.

Water damage occurs when your property or items suffer damage due to excess and unwanted water or moisture. The water could be present due to a natural disaster such as a hurricane or a burst pipe—water damage can be caused by many things. If necessary, contact a local water damage restoration company.

The Walnut, CA homeowners’ guide to mold testing and remediation services

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

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