Top-rated mold testing and remediation specialists.

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Avatar for Mold Test Company OR

Mold Test Company OR

4.27(
65
)
Approved Pro

Mold Test Company OR

4.27(
65
)
Approved Pro
Customers say: Quick response
86 local quotes requested
17 years of experience

At Mold Test Company OR, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"F a bulous"

Shelie H on July 2021

At Mold Test Company OR, we take great pride our experience, expertise, quality and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer a professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"F a bulous"

Shelie H on July 2021


Avatar for Mold Inspection Sciences of Portland

Mold Inspection Sciences of Portland

4.92(
64
)
Approved Pro

Mold Inspection Sciences of Portland

4.92(
64
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
12 local quotes requested

Mold Inspection Sciences of Portland offers our valued clients expert mold and moisture inspection and mold testing services. Our company has performed thousands of inspections since we were founded in 2002. We have an A+ record with the Better Business Bureau with no customer complaints. Looking for More Advice on Mold, Allergy, and Air Quality Impacting Your Family, Home, or Business? Listen in to The Secret Life of Mold Podcast Now Streaming On: Apple: https://podcasts.apple.com/us/podcast/the-secret-life-of-mold-mold-inspection-radio/id1459902004 Google: https://www.google.com/podcasts?feed=aHR0cHM6Ly9hbmNob3IuZm0vcy9hNWU5ZDQwL3BvZGNhc3QvcnNz Spotify: https://open.spotify.com/show/1J1M4djZa41ICtMR0kCcMl Stitcher: https://www.stitcher.com/podcast/mold-inspection-sciences/the-secret-life-of-mold

"Customer 2:22 PM very thorough The only issue was they were"

Michelle T on November 2025

Mold Inspection Sciences of Portland offers our valued clients expert mold and moisture inspection and mold testing services. Our company has performed thousands of inspections since we were founded in 2002. We have an A+ record with the Better Business Bureau with no customer complaints. Looking for More Advice on Mold, Allergy, and Air Quality Impacting Your Family, Home, or Business? Listen in to The Secret Life of Mold Podcast Now Streaming On: Apple: https://podcasts.apple.com/us/podcast/the-secret-life-of-mold-mold-inspection-radio/id1459902004 Google: https://www.google.com/podcasts?feed=aHR0cHM6Ly9hbmNob3IuZm0vcy9hNWU5ZDQwL3BvZGNhc3QvcnNz Spotify: https://open.spotify.com/show/1J1M4djZa41ICtMR0kCcMl Stitcher: https://www.stitcher.com/podcast/mold-inspection-sciences/the-secret-life-of-mold

"Customer 2:22 PM very thorough The only issue was they were"

Michelle T on November 2025


Avatar for Oregon Restoration Co.

Oregon Restoration Co.

4.95(
125
)
Approved Pro

Oregon Restoration Co.

4.95(
125
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
28 local quotes requested

Oregon Restoration is your local, independent restoration company, proudly serving the Portland Metro and all of Central Oregon from our offices in Portland, Bend and Eugene. We specialize in water damage restoration, mold removal, fire and smoke remediation, asbestos and lead abatement, as well as complete repair and reconstruction. Our IICRC-certified team ensures seamless service from start to finish, so you can trust us to handle every step of the restoration process. Available 24/7 for emergencies, we’re here to protect and restore your home when it matters most.

"Ambrosio was friendly and kind, made a thorough search through the attic and rooms of the house to evaluate the roof leak and resulting mold, and gave a detailed estimate of all the work that would be involved in remediation. Didn't charge for gas or estimate. We since haven't been able to get in contact for next steps, but appreciated the timely and thorough response for our initial request for evaluation."

Hannah F on July 2022

Oregon Restoration is your local, independent restoration company, proudly serving the Portland Metro and all of Central Oregon from our offices in Portland, Bend and Eugene. We specialize in water damage restoration, mold removal, fire and smoke remediation, asbestos and lead abatement, as well as complete repair and reconstruction. Our IICRC-certified team ensures seamless service from start to finish, so you can trust us to handle every step of the restoration process. Available 24/7 for emergencies, we’re here to protect and restore your home when it matters most.

"Ambrosio was friendly and kind, made a thorough search through the attic and rooms of the house to evaluate the roof leak and resulting mold, and gave a detailed estimate of all the work that would be involved in remediation. Didn't charge for gas or estimate. We since haven't been able to get in contact for next steps, but appreciated the timely and thorough response for our initial request for evaluation."

Hannah F on July 2022



Avatar for Alpha Environmental Services Inc

Alpha Environmental Services Inc

4.72(
109
)
Approved Pro

Alpha Environmental Services Inc

4.72(
109
)
Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
64 local quotes requested

We are a residential and commercial environmental consulting and remediation company. Serving the greater Portland, OR, area for over 20 years, we have the experience and knowledge to handle just about anything. We offer a variety of services from mold assessment and remediation to radon testing and mitigation and tank services. We provide project oversight and technical review for projects big and small. This includes site analysis, mold assessment, and the remediation of toxins. We also offer a full range of heating oil tank services, from checking underground leaks to installing above ground storage tanks (ASTs). Our residential and commercial services include: • Environmental consulting and remediation • Environmental site assessment • Groundwater remediation • Habitat restoration • Mold testing and removal • Asbestos, radon and lead testing and inspection • Dry well sampling • Phase I & II environmental site assessments • Underground tank sampling • Vapor mitigation systems Environmental risk is an important and complex issue. Whether your concern is toxic mold or radon testing, Alpha Environmental Services can develop an environmental or engineering due-diligence solution that fits your individual needs. We are fully licensed and committed to your environmental needs. Call today for a free estimate and to schedule an appointment.

"I hired Alpha Environmental to do a tank search. They were punctual and helpful, beyond the scope of their visit. They're easy to work with and they accommodated unusual invoicing request."

Ramona M on June 2025

We are a residential and commercial environmental consulting and remediation company. Serving the greater Portland, OR, area for over 20 years, we have the experience and knowledge to handle just about anything. We offer a variety of services from mold assessment and remediation to radon testing and mitigation and tank services. We provide project oversight and technical review for projects big and small. This includes site analysis, mold assessment, and the remediation of toxins. We also offer a full range of heating oil tank services, from checking underground leaks to installing above ground storage tanks (ASTs). Our residential and commercial services include: • Environmental consulting and remediation • Environmental site assessment • Groundwater remediation • Habitat restoration • Mold testing and removal • Asbestos, radon and lead testing and inspection • Dry well sampling • Phase I & II environmental site assessments • Underground tank sampling • Vapor mitigation systems Environmental risk is an important and complex issue. Whether your concern is toxic mold or radon testing, Alpha Environmental Services can develop an environmental or engineering due-diligence solution that fits your individual needs. We are fully licensed and committed to your environmental needs. Call today for a free estimate and to schedule an appointment.

"I hired Alpha Environmental to do a tank search. They were punctual and helpful, beyond the scope of their visit. They're easy to work with and they accommodated unusual invoicing request."

Ramona M on June 2025


[email protected]

No reviews yet

[email protected]

No reviews yet

At Ecce Construction we like to hire people with different trades but we also train them to be specialized in specific trades. As a company we do full Restorations, Remodels and Mitigation our guys have 10-30 years of experience. As individual we take pride in what we do and give our best to all we do.

At Ecce Construction we like to hire people with different trades but we also train them to be specialized in specific trades. As a company we do full Restorations, Remodels and Mitigation our guys have 10-30 years of experience. As individual we take pride in what we do and give our best to all we do.


The Crawlspace Crew

No reviews yet

The Crawlspace Crew

No reviews yet

We are a small restoration business focused on great customer service, timely response and top-notch quality of work. We handle water damage, mold, animal, and fire. We have 11 years of experience in the field of restoration and can handle any job thrown at us!

We are a small restoration business focused on great customer service, timely response and top-notch quality of work. We handle water damage, mold, animal, and fire. We have 11 years of experience in the field of restoration and can handle any job thrown at us!


One Speed Services

No reviews yet

One Speed Services

No reviews yet
7 years of experience

One Speed Services is your one-stop-shop for indoor air quality solutions. We provide air duct cleaning, dryer vent cleaning, mold remediation, crawl space restoration, attic insulation, drainage correction, HVAC system servicing and installation. We provide free onsite evaluations.

One Speed Services is your one-stop-shop for indoor air quality solutions. We provide air duct cleaning, dryer vent cleaning, mold remediation, crawl space restoration, attic insulation, drainage correction, HVAC system servicing and installation. We provide free onsite evaluations.


Avatar for Northwest Hazmat

Northwest Hazmat

4.83(
6
)

Northwest Hazmat

4.83(
6
)
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

"No Mold" is a division of NorthWest Hazmat, a trusted locally owned and operated company founded in 2000. We specialize in identification and remediation of all kinds of mold, and will work with you, to provide the most cost effective solution to keep your family safe. We work with insurance claims when possible, to ensure you can stay healthy & happy & pride ourselves on being fast, fair and professional. We want our customers to be 100% satisfied with our service.

"No Mold" is a division of NorthWest Hazmat, a trusted locally owned and operated company founded in 2000. We specialize in identification and remediation of all kinds of mold, and will work with you, to provide the most cost effective solution to keep your family safe. We work with insurance claims when possible, to ensure you can stay healthy & happy & pride ourselves on being fast, fair and professional. We want our customers to be 100% satisfied with our service.


Avatar for All Dry Services of PDX

All Dry Services of PDX

No reviews yet

All Dry Services of PDX

No reviews yet
3 years of experience

COMPREHENSIVE RESTORATION & CLEANUP SERVICES. From water and flood damage to mold cleanup, you need restoration and cleanup experts who understand what you’re going through and leave your home or business better than they found it. When you entrust your property to our experienced All Dry professionals, you can rest assured we’ll arrive promptly and get the job done right the first time.

COMPREHENSIVE RESTORATION & CLEANUP SERVICES. From water and flood damage to mold cleanup, you need restoration and cleanup experts who understand what you’re going through and leave your home or business better than they found it. When you entrust your property to our experienced All Dry professionals, you can rest assured we’ll arrive promptly and get the job done right the first time.

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Mold Testing and Remediation questions, answered by experts

Standard wood stains often contain volatile organic compounds (VOCs), which the EPA states can irritate those exposed to their odor. Inhaling the fumes can pose health risks to humans. Prolonged exposure to VOCs from wood stains can lead to wood stain poisoning, manifesting in symptoms such as a burning sensation, blurred vision, and even collapse. Taking precautions when using these products is crucial to minimize the risk of adverse health effects.

Signs of mold under silicone caulk include discoloration or dark spots appearing through or around the caulk, a musty odor in the area, and visible growth on the surface of the caulk. Additionally, if the caulk feels soft or spongy, it could indicate moisture trapped underneath, which is a breeding ground for mold.

Most grass mold isn’t harmful to humans. Slime molds in particular aren’t toxic and may even possess some benefits. Other molds, like powdery mildew and snow mold, generally aren’t a concern, but can still cause allergic reactions and respiratory distress in those with high allergy risk and compromised immune systems.  

Common causes include water leaks, settling, and impact. Address underlying issues to prevent recurring damage.

Not necessarily. If the mold is only on the surface or in small areas, you may be able to clean it effectively without removing all the caulk. However, if the mold has deeply penetrated the caulk or the caulk is damaged or deteriorating, you should remove the caulk completely and replace it to ensure thorough mold removal and prevent future growth.

The Colton, OR homeowners’ guide to mold testing and remediation services

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