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Best mold testing and remediation specialists near Compton, CA

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

Avatar for Omega Contracting & Restoration
Omega Contracting & Restoration
4.9(
22
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Compton, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"The best decision I’ve made in a while was to go with Omega to fix my home! Unfortunately my home was flooded. I tried to fix it myself, but once I came across mold I felt it was important to hire an expert. I got a quote from Enver which was very fair, and I was elated by the service he offered. He approached the job with integrity, professionalism and expertise. My home is now even better than it was before the flooding, and it’s all due to Enver and his team. I highly recommend them for your home!"
Additional Photos
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+44

Recommended by100%of homeowners
Avatar for LeakSafe Homes
LeakSafe Homes
5.0(
101
)
Toxicity and Mold - RemovalToxicity and Mold - Removal - For Business

Serving Compton, CA and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Our attic developed mold after years of small roof leaks that we kept patching temporarily. LeakSafe Homes handled the mold remediation in our Calabasas home with incredible professionalism. They removed contaminated insulation, treated the wood framing, and helped us understand how ventilation contributed to the issue. Very knowledgeable company."
project photos
Dieter K.  Redondo beach
Dieter K.  Redondo beach
Dieter K.  Redondo beach
Dieter K.  Redondo beach

+42

2 neighbors recently requested a quote
Avatar for Mold Solutionz 24/7
Mold Solutionz 24/7
4.2(
35
)
Mold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Compton, CA and surrounding areas

Approved

In business since 1995

Free estimates

Emergency services offered

"All work was completed on time with exceptionally high-quality work. All workers were introduced to me, making me comfortable with strangers in my home. All workers wore masks and used all health recommendations. I was brought into every step of the process and the process was explained. The total cost was as estimated. The price was about half of the estimate of other contractors. I was very satisfied. I recommend this business."
demo
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Response time11 hrs
Response rate89%
Recommended by89%of homeowners
Avatar for Mold Inspection Pro
Mold Inspection Pro
5.0(
16
)
Mold & Toxic Material Test - For Business

Serving Compton, 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
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 Compton, 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
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 Compton, 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

47 neighbors recently requested a quote
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Mold Testing and Remediation FAQs, answered by experts

EIFS has several disadvantages, primarily related to cost and moisture. The system tends to have higher upfront installation costs compared to other siding options, and repairs can also be expensive, especially if water damage occurs. A significant downside is its low breathability, which can trap moisture between its layers from either leakage or condensation. This trapped moisture increases the risk of developing mold and rot, which can lead to costly and extensive repairs if not addressed promptly.

Mold grows quickly. It typically begins to grow on drywall about 24 hours after exposure to moisture or humidity. Drywall is a porous material, which makes it particularly hospitable to mold growth. 

While mold growth begins after just a day or so, it can take a few weeks before the evidence becomes visible. Mold spores will typically appear on the drywall surface within three weeks of growth starting.

According to the EPA, mold grows within 24 to 48 hours if left untreated after a water leak. So unless you notice the leak and stop it right away, you only have a day or so before mold is a real concern. If you don’t notice the leak, it can take about three weeks for the mold spores to become visible. That means you’ve likely had an active mold infection for a few weeks by the time you notice discoloration.

Mold doesn’t take long to form, especially in dark, isolated areas like under the floorboards, where you’re less likely to know it’s wet in the first place. Mold can take root and proliferate in just 24 to 48 hours, but it can be up to a week before you start to notice funky smells. 

Window sill mold can be harmful, but the severity depends on the type. Common household molds like Cladosporium or Aspergillus can trigger allergies, respiratory issues, or worsen asthma symptoms. However, black mold (Stachybotrys) can produce mycotoxins that can harm your health. Even less toxic molds should be addressed promptly to prevent health risks and property damage.

The Compton, 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.