Top-rated mold testing and remediation specialists.

Get matched with top mold testing and remediation specialists in Orange, CA

Enter your zip and get matched with up to 5 pros

Need a pro for your mold testing and remediation project in Orange, CA?

Select your specific project to find the pro for you.

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

*The Angi rating for Mold Testing And Remediation companies in Orange, 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 Orange, 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 30, 2024

Find Mold testing and remediation specialists in Orange

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

Serving Orange, CA and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"It was terrific. They were wonderful. They were punctual. They were true to their words. They cleaned up everything. They were pleasant. I don't have any complaints at all. I will recommend them. The result of the pest after they finished was the mold was gone. They did a very successful clean up. They patched up one of my ceiling, even though it was not their job."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+44

Recommended by100%of homeowners
Request Quote
Avatar for Mold Neutralizers
Mold Neutralizers
4.8(
72
)
Mold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Orange, CA and surrounding areas

Approved

In business since 2014

Emergency services offered

Small jobs welcome

"Mold Neutralizers is FANTASTIC! Lee is so dedicated to what he does, and goes above and beyond for his customers. We will definitely use this company in the future!"
Mold Inspection
Mold Inspection
Mold Inspection
Moisture detector
Single Family Home

+5

Response time2 days
8 neighbors recently requested a quote
Recommended by92%of homeowners
Request Quote
Avatar for Pure Maintenance of Orange County
Pure Maintenance of Orange County
4.8(
25
)
Mold & Toxic Material TestIndoor Air Quality TestingToxicity and Mold - Removal+2 more

Serving Orange, CA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"Ryan was courteous and professional throughout the entire process of testing and remediation."
The dry fog killing off all the mold spores
Getting rid of the stinky smell by killing mold
Coming out of the crawl space always feels good!
Certificate
Response time8 hrs
Response rate89%
92 neighbors recently requested a quote
Request Quote
Avatar for Mold Solutionz 24/7
Mold Solutionz 24/7
4.2(
35
)
Mold & Toxic Material TestMold & Toxic Material Test - For Business

Serving Orange, 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
Request Quote
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 Orange, 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
Request Quote
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 Orange, 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
Request 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 Orange, 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

23 neighbors recently requested a quote
Request Quote
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 Orange, 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
Request Quote
Avatar for Express Dry
Express Dry
5.0(
12
)
Mold & Toxic Material TestIndoor Air Quality TestingDry-rot, Water or Pest Damage - Major Repair+3 more

Serving Orange, CA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"They were very courteous and helpful in explaining each step of the process."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+9

Response time1 day
Response rate100%
5 neighbors recently requested a quote
Request Quote
Avatar for Hippo Home Inspections
Hippo Home Inspections
4.9(
153
)
Mold & Toxic Material TestIndoor Air Quality TestingMold & Toxic Material Test - For Business

Serving Orange, 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
Request Quote
...
Showing 1-10 of 328
Mold Testing and Remediation questions, answered by experts

In Orange, homeowners increasingly choose mold testing and remediation that leverages advanced air quality monitoring, moisture control systems, and digital inspection tools. Popular trends include installing whole-home dehumidifiers, UV lights in HVAC systems, and vapor barriers in crawl spaces. Many residents also prioritize improved attic ventilation and smart humidity sensors to address the area’s coastal moisture and seasonal weather patterns, helping prevent future mold growth.

Helpful?

Homes in Orange with features like hillside construction, stucco exteriors, or slab foundations often hide moisture issues, making mold removal more challenging. Open layouts, multiple HVAC zones, or attached garages can allow mold to spread quickly. Tight crawl spaces, high ceilings, or dense landscaping may limit access for inspection and remediation, so it’s important to evaluate these aspects before starting a project.

Helpful?

For a smooth mold testing and remediation process in Orange, confirm your contractor’s experience and ensure all safety measures are followed. Schedule work outside the rainy season for best results, and coordinate with your HOA if needed. Document each stage with photos, keep detailed records for insurance, and request multiple quotes from local professionals. Planning ahead helps minimize disruptions and ensures thorough moisture control.

Helpful?

If you notice persistent musty odors, visible mold returning in treated areas, or worsening allergy symptoms—especially after heavy rain in Orange—these are clear warning signs. Other indicators include recurring moisture stains, incomplete removal of contaminated materials, missing post-remediation inspection reports, or lack of a written guarantee. If your HVAC system wasn’t thoroughly cleaned, it’s wise to consider a follow-up assessment.

Helpful?

After mold remediation in Orange, maintain healthy air quality by monitoring indoor humidity monthly, changing HVAC filters every season, and scheduling annual mold inspections—especially after storms. Regularly clean exhaust fans, keep gutters clear, and check window seals. Maintain dehumidifiers and foundation vents, and keep a maintenance log. These steps are especially important given Orange’s coastal humidity and wildfire-related air quality concerns.

Helpful?

The Orange, 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.

See all articles