Top-rated radon detection and reduction specialists.

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Avatar for Oregon Restoration Co.

Oregon Restoration Co.

17750 SW Upper Boones Ferry Rd
4.71(
147
)
Approved Pro

Oregon Restoration Co.

17750 SW Upper Boones Ferry Rd
4.71(
147
)
Approved Pro
Customers say: Quality work
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers
24 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 PNW Mold Masters

PNW Mold Masters

Located In:
5.00(
6
)
Approved Pro

PNW Mold Masters

Located In:
5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
49 local quotes requested

PNW Mold Masters: Fast and Easy Home Mold & Air Contaminant Testing Ensure the safety and air quality of your home with PNW Mold Masters. We specialize in quick, reliable testing for mold and other air contaminants, providing you with peace of mind and a healthier living environment.

"The company came to our house for mold removal and water removal work. The guys was very professional, explained about everything they did very well. And clean around them after they finished the job. I’m highly recommend for everyone. Thank you Peter ."

Leo F on September 2025

PNW Mold Masters: Fast and Easy Home Mold & Air Contaminant Testing Ensure the safety and air quality of your home with PNW Mold Masters. We specialize in quick, reliable testing for mold and other air contaminants, providing you with peace of mind and a healthier living environment.

"The company came to our house for mold removal and water removal work. The guys was very professional, explained about everything they did very well. And clean around them after they finished the job. I’m highly recommend for everyone. Thank you Peter ."

Leo F on September 2025


Avatar for ACCURACY PROPERTY RESTORATION

ACCURACY PROPERTY RESTORATION

2038 NE Aloclek Dr Suite # 205
5.00(
7
)
Approved Pro

ACCURACY PROPERTY RESTORATION

2038 NE Aloclek Dr Suite # 205
5.00(
7
)
Approved Pro
Customers say: Quick response
51 local quotes requested
7 years of experience

Accuracy Property Restoration is a family-owned, bilingual (English & Spanish) general contractor serving Oregon and Washington. We specialize in expert testing and restoration for mold, asbestos, lead, water, fire, smoke, biohazard damage and odor control. Fully licensed and insured, we combine technical precision with compassionate, personalized service—restoring your property and your peace of mind.

"Everything went well from start to finish. Yoni and his team were nice, professional and on schedule. They cleaned the mold in our loft ceiling, installed proper ventilation, insulation, sheetrock and painted. The trim around the skylights looks perfect. The paint is perfect as well. They left our living room clean. We definitely recommend Accuracy U.S.A."

Julie R on December 2022

Accuracy Property Restoration is a family-owned, bilingual (English & Spanish) general contractor serving Oregon and Washington. We specialize in expert testing and restoration for mold, asbestos, lead, water, fire, smoke, biohazard damage and odor control. Fully licensed and insured, we combine technical precision with compassionate, personalized service—restoring your property and your peace of mind.

"Everything went well from start to finish. Yoni and his team were nice, professional and on schedule. They cleaned the mold in our loft ceiling, installed proper ventilation, insulation, sheetrock and painted. The trim around the skylights looks perfect. The paint is perfect as well. They left our living room clean. We definitely recommend Accuracy U.S.A."

Julie R on December 2022



Avatar for Alpha Environmental Services Inc

Alpha Environmental Services Inc

11080 SW Allen Blvd
4.70(
116
)
Approved Pro

Alpha Environmental Services Inc

11080 SW Allen Blvd
4.70(
116
)
Approved Pro
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
67 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


Avatar for Nordic Service Group, LLC

Nordic Service Group, LLC

PO Box 2051
5.00(
2
)
Approved Pro

Nordic Service Group, LLC

PO Box 2051
5.00(
2
)
Approved Pro
54 local quotes requested
1 years of experience

Nordic Home Inspection is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are mindful of our customers' interests and make their concerns the foundation of our business.

"Chris was fantastic to talk to about what he checks for during the inspection and what i should expect to see on his report. Chris was on time, incredibly thorough and detailed. I highly recommend him to anyone looking for a great home inspector. "

Arthur K on June 2025

Nordic Home Inspection is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are mindful of our customers' interests and make their concerns the foundation of our business.

"Chris was fantastic to talk to about what he checks for during the inspection and what i should expect to see on his report. Chris was on time, incredibly thorough and detailed. I highly recommend him to anyone looking for a great home inspector. "

Arthur K on June 2025


Avatar for John's Waterproofing Co.

John's Waterproofing Co.

201 Airport Road
4.74(
47
)
Approved Pro

John's Waterproofing Co.

201 Airport Road
4.74(
47
)
Approved Pro
Customers say: Quality work
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
402 local quotes requested

John's Waterproofing Co. is the premier waterproofing company serving in Oregon and southern Washington for almost 4 decades. We Specialize in Basement and Crawlspace Waterproofing and Repairs, we offer free inspections and estimates along with caring customer service. Contact our office today for your waterproofing needs!

"No."

Tracy W on January 2025

John's Waterproofing Co. is the premier waterproofing company serving in Oregon and southern Washington for almost 4 decades. We Specialize in Basement and Crawlspace Waterproofing and Repairs, we offer free inspections and estimates along with caring customer service. Contact our office today for your waterproofing needs!

"No."

Tracy W on January 2025


Avatar for Northwest Hazmat

Northwest Hazmat

36 West Q Street
4.83(
6
)

Northwest Hazmat

36 West Q Street
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.


Robinson Restoration

5.00(
4
)

Robinson Restoration

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Water Damage and Restoration Experts When you experience a disaster in your home or business, you need professional water damage restoration services to respond quickly to mitigate any damage that has occurred and begin the drying process immediately. At Robinson Restoration, we specialize in water damage restoration, sewage cleanup, and mold removal. Our team of certified water damage restoration professionals is standing by and can respond to anywhere in Clark County, WA, and the greater Portland metro area within 90 minutes. We know that water damage or mold growth to your home or business from a burst pipe, flood damage, or sewage leak is an incredibly stressful situation. Our goal as a water damage restoration company is to help provide you with some peace of mind as we navigate you through your damage restoration process. If you are experiencing a water damage event, call on the water mitigation services of Robinson Restoration, our certified professionals will respond quickly to prevent further damage, clean up standing water, protect electrical equipment, prevent mold, and mitigate the water damage. If you want to learn more about our mold remediation and water damage restoration services please reach out to us today!

"Tyler Robinson has an amazing team and they always put all their customers needs a top priority. I have referred this company for the last three years as I have so much faith and know that they take such great care of everyone. When working with Robinson they make you feel like family not just a customer with restoration needs . It’s comforting to know a very honest , reliable , and very compassionate company that will stand behind you during such a hard time such as water/sewer/mold damage ."

Rhonda B on April 2023

Water Damage and Restoration Experts When you experience a disaster in your home or business, you need professional water damage restoration services to respond quickly to mitigate any damage that has occurred and begin the drying process immediately. At Robinson Restoration, we specialize in water damage restoration, sewage cleanup, and mold removal. Our team of certified water damage restoration professionals is standing by and can respond to anywhere in Clark County, WA, and the greater Portland metro area within 90 minutes. We know that water damage or mold growth to your home or business from a burst pipe, flood damage, or sewage leak is an incredibly stressful situation. Our goal as a water damage restoration company is to help provide you with some peace of mind as we navigate you through your damage restoration process. If you are experiencing a water damage event, call on the water mitigation services of Robinson Restoration, our certified professionals will respond quickly to prevent further damage, clean up standing water, protect electrical equipment, prevent mold, and mitigate the water damage. If you want to learn more about our mold remediation and water damage restoration services please reach out to us today!

"Tyler Robinson has an amazing team and they always put all their customers needs a top priority. I have referred this company for the last three years as I have so much faith and know that they take such great care of everyone. When working with Robinson they make you feel like family not just a customer with restoration needs . It’s comforting to know a very honest , reliable , and very compassionate company that will stand behind you during such a hard time such as water/sewer/mold damage ."

Rhonda B on April 2023


Gold Standard Home Inspections, LLC

12745 Cottonwood Ave
No reviews yet

Gold Standard Home Inspections, LLC

12745 Cottonwood Ave
No reviews yet
8 years of experience

My name is David, I am an Oregon Licensed Home Inspector that wants to work hard for you and make sure you, the client is put in an educated position when buying or selling a home. I have a background in Law Enforcement and corporate security/investigations, where attention to detail is cruical. The services offered are: General Home Inspections, Radon Testing, Sewer Scopes and 2D floorplans.

My name is David, I am an Oregon Licensed Home Inspector that wants to work hard for you and make sure you, the client is put in an educated position when buying or selling a home. I have a background in Law Enforcement and corporate security/investigations, where attention to detail is cruical. The services offered are: General Home Inspections, Radon Testing, Sewer Scopes and 2D floorplans.

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Radon Detection and Reduction questions, answered by experts

DIY radon detection is possible using over-the-counter test kits, but professional testing can provide more accurate assessments, especially in cases of high initial readings.

There are steps you can take as a homeowner to remediate radon yourself. While a radon reduction professional can make the biggest impact in your home, you can make efforts to improve radon levels on your own by sealing cracks, increasing ventilation, and testing for radon regularly.

Installing a mitigation system reduces radon levels, which can cause lung cancer, providing peace of mind and long-term health benefits. It can also increase your home’s value, as many buyers prefer properties with radon safety measures in place. The investment is relatively low compared to the potential health risks associated with prolonged radon exposure.

The only way to determine if you have a radon problem in your home is to have professional testing done. You can buy DIY radon test kits, but these are sometimes inaccurate in certain temperatures and humidity levels, and they don’t paint the entire picture in terms of your radon exposure. Scheduling testing once every two to five years is best. You can also look out for the following symptoms, which, according to the American Cancer Society, are symptoms of radon exposure:

  • Shortness of breath

  • Cough

  • Tightness in the chest

  • Difficulty swallowing

  • Hoarseness

A radon test has no effect on humans—only the radon in the air does. The test does not redistribute the radon that is already present so yes, it’s safe to be around the testing kit even if it isn’t safe to be in the room itself. The test absorbs and measures the radon, but doesn't absorb enough of it to make the room any safer.

The Mulino, OR homeowners’ guide to radon detection and reduction services

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

What do you need done? We’ll find top pros.
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