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

*The Angi rating for Mold Testing And Remediation companies in Pasadena, 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 Pasadena, 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 October 22, 2026

Find Mold testing and remediation specialists in Pasadena

Avatar for Bye Bye Mold, Inc.
Bye Bye Mold, Inc.
4.8(
61
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Pasadena, CA and surrounding areas

Approved

In business since 2002

Emergency services offered

Credit card accepted

"George was very professional and easy to speak with. Unfortunately, I was looking for mold remediation but he is a mold tester. He sent me referrals which was really great! I would definitely hire him in the future."
Air Sample
Moisture Meter
Mold on shoes
Mold Growth under sink
Response time3 hrs
Recommended by96%of homeowners
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Avatar for LeakSafe Homes
LeakSafe Homes
5.0(
101
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Pasadena, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"We found mold in our kitchen after a leaking ice maker line caused hidden water damage. LeakSafe Homes handled the remediation safely and professionally from start to finish."
project photos
Dieter K. Redondo beach
Dieter K. Redondo beach
Dieter K. Redondo beach
Dieter K. Redondo beach

+42

1 neighbors recently requested a quote
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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 Pasadena, 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

+96

Response time1 day
Response rate100%
9 neighbors recently requested a quote
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Avatar for Santa Clarita Mold Inspection
Santa Clarita Mold Inspection
5.0(
16
)
Indoor Air Quality TestingMold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Pasadena, CA and surrounding areas

Approved

In business since 2024

Free estimates

Small jobs welcome

"I definitely recommend Santa Clarita Mold Inspection! I needed a mold inspection and was genuinely impressed with the company from start to finish. They were transparent throughout the entire process, and Nick was thorough, professional, and knowledgeable. Since this was my first time needing these services, I especially appreciated that Nick took the time to explain each step of the inspection process and what I could expect after the testing was completed. I was also extremely impressed with the final report and the level of detail that went into preparing it. The professionalism and thoroughness of the report were incredibly helpful and allowed me to utilize the documentation for legal purposes. Thank you so much to Santa Clarita Mold Inspection, and especially to Nick, for your time, effort, and professionalism. I truly appreciate the quality of service I received and would absolutely use your company again if the need arises. Trustworthy, I highly recommended!"
Crawl space
Crawl space
Exterior window
Exterior window
Air vent

+9

Response time3 hrs
Response rate100%
1 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 Pasadena, CA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"Had to rip walls down again after mold service was completed and found there was still mold that was not removed."
demo
pic 2
Response time11 hrs
Response rate89%
Recommended by89%of homeowners
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Avatar for Mold Inspection Pro
Mold Inspection Pro
5.0(
16
)
Mold & Toxic Material Test - For Business

Serving Pasadena, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I used this company for mold testing at my house. They came the same day! They were very professional, checked everything right away gave me good results for the next step. Would definitely recommend them for any mold inspection!"
Moldy Wall AC Unit
AC Wall Unit
AC Wall Unit
AC Wall Unit
AC Wall Unit

+28

Response time30 mins
Recommended by100%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 Pasadena, 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 Moldoovia
Moldoovia
4.5(
51
)
Mold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Pasadena, CA and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of General Contractor services that are customizable to each individual project. You will find us to be competitively priced, paying 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!

Mold inspection!
Mold inspection!
Mold inspection!
Mold clearance test
Mold clearance test

+4

Recommended by88%of homeowners
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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 Pasadena, CA and surrounding areas

Approved

In business since 2018

Emergency services offered

Small jobs welcome

"Did mold testing services for an apartment building."
Drywall
Drywall
Drywall
Insulation
Insulation

+71

Response time1 day
243 neighbors recently requested a quote
Recommended by81%of homeowners
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Avatar for Envirotech Restoration
Envirotech Restoration
4.9(
8
)
Indoor Air Quality TestingMold & Toxic Material Test

Serving Pasadena, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Knowledgeable, proficient, patient... Both the manager (Oscar) and the field technician (Richard) were very professional, and easy and enjoyable to deal with. I recommend the company highly."
Response time1 day
2 neighbors recently requested a quote
Recommended by100%of homeowners
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Showing 1-10 of 322
Mold Testing and Remediation questions, answered by experts

If you notice water accumulating in your vent due to a roof or plumbing leak above your ductwork, it's essential to promptly identify the source of the leak and undertake any required repairs without delay. Such leaks have the potential to swiftly result in water damage within your home, ultimately leading to mold and mildew concerns.

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.

Damp air from a humidifier can cause mold in ducts if it raises the air's humidity level too high for the duct system to handle or malfunctions, but it’s not a normal occurrence. To avoid mold trouble, set the humidistat to between 30% and 35% and inspect it often to ensure accuracy.

The primary difference is that black mold (Stachybotrys chartarum) is considered toxic and more dangerous than regular mold. It can produce harmful chemicals called mycotoxins, which may lead to severe health issues like respiratory problems, skin irritation, headaches, and other long-term complications. While regular mold is rarely toxic, it can still cause allergic reactions and respiratory irritation. Visually, black mold often appears dark—green, gray, brown, or black—with a fuzzy texture, whereas regular mold can be almost any color. Black mold is less common and typically grows in areas with severe water damage. Regardless of the type, you should not ignore any mold infestation in your home.

If you need mold remediation, you’re probably looking at a bill of a couple thousand dollars or more. Sometimes, though, your homeowner’s insurance policy may cover some or all of the costs of the remediation. If the black mold forms because of a covered event, such as a storm that damages your roof, and causes leaking or flooding in the basement, it’s possible the policy also covers mold remediation. It never hurts to ask your insurance company if it will cover the cost of black mold remediation.

The Pasadena, 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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