*The Angi rating for Radon Detection And Reduction companies in Sandy, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
*The HomeAdvisor rating for Radon Detection And Reduction companies in Sandy, OR is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.
Last update on June 29, 2026
Serving Sandy, OR and surrounding areas
Approved
In business since 2010
Free estimates
Credit card accepted
"Extremely helpful and affordable in comparison to another bid my real estate agent had gotten."
Serving Sandy, OR and surrounding areas
Approved
In business since 2002
Free estimates
Warranties offered
"From initial inspection to mitigation was about a week. Technician were punctual and finished within time estimated."
Serving Sandy, OR and surrounding areas
Approved
In business since 2012
Free estimates
Small jobs welcome
Science First. We are experts in our field and we will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business.
Serving Sandy, OR and surrounding areas
Approved (Corporate)
In business since 1974
Free estimates
Warranties offered
"You will need make sure everything is explained and understand what is included as maintenance."
+38
Serving Sandy, OR and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
Owned and operated 21 years. We provide Hydro Jetting, Camera inspections, and Radon testing. We have a small crew of 3 and take great pride in our work
Serving Sandy, OR and surrounding areas
In business since 2015
Credit card accepted
"Did a great job and explained everything very thoroughly. The radon test was completed in two days and the results were immediately emailed to me."
Serving Sandy, OR and surrounding areas
In business since 1986
Free estimates
Emergency services offered
"Scott has always been professional and is extremely knowledgeable in all phases of real estate inspection. He also has a wide knowledge of how to remodel any home from the ground up. You won't find a better inspector in the area."
+4
Serving Sandy, OR and surrounding areas
In business since 1988
Free estimates
Credit card accepted
"This company was great to work with. They had an opening in their schedule and completed the job earlier than expected."
Serving Sandy, OR and surrounding areas
Serving Sandy, OR and surrounding areas
In business since 2008
Emergency services offered
Warranties offered
"Very professional staff, excellent job."
+9
From average costs to expert advice, get all the answers you need to get your job done.
The cost of a radon mitigation system in Portland, OR, depends mostly on the type of system being installed. Use this guide to learn about your options.
Find out the average radon testing cost in Portland, OR. Learn what you can expect to pay for local radon inspection services and keep your home safe.
Find out the average indoor air quality testing cost in Portland, OR. Learn what you can expect to pay for local testing services to keep your home safe.
Radon is a gas that you can't see or smell and is harmful to your health. If your home has radon, you need to know who installs radon mitigation systems.
What is radon testing? Radon testing measures the presence and concentration of radon gas within indoor environments. Read on to learn more.
Knowing how to test for radon will keep your home free and safe from this odorless gas—you just have to decide whether to do it yourself or hire a pro.
