*The Angi rating for Radon Detection And Reduction companies in Flagstaff, AZ 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 Flagstaff, AZ 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 December 02, 2025
Serving Flagstaff, AZ and surrounding areas
Approved
In business since 1999
Emergency services offered
Small jobs welcome
"Tracy was punctual and expedited our test kit via FED X and had our test results back within 48 hours."
+1
Serving Flagstaff, AZ and surrounding areas
Approved
In business since 2016
Free estimates
Credit card accepted
121 PRO, is committed to excellence 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 watchful of our customers' interests, and make their concerns the basis of our business.
Serving Flagstaff, AZ and surrounding areas
In business since 1999
Free estimates
Emergency services offered
"For health reasons a mold analysis was taken of our home. It was done and the written analysis submitted within a week--excellent, efficient work and a very pleasant person."
Serving Flagstaff, AZ and surrounding areas
In business since 2023
Free estimates
Credit card accepted
"Fantastic. They were very quick to respond, set up testing for mold in air, and then ultimately remove the source of mold. Highly recommended. My home was tested before and after work to confirm that mold has all been removed and we are all safe."
+14
Serving Flagstaff, AZ and surrounding areas
In business since 2005
"Accommodated my time schedule. Courteous, thorough and reasonably priced. Excellent credentials."
Serving Flagstaff, AZ and surrounding areas
In business since 1978
Free estimates
Emergency services offered
"Ask for Austin Baker. Austin returned my call within minutes, began testing in my house two hours later, and I had my laboratory certified test results 36 hours later. Austin is thorough, professional, knowledgeable, and affordable. Definitely five stars all around!"
+8
Serving Flagstaff, AZ and surrounding areas
In business since 2023
Free estimates
Emergency services offered
Our mission is to be a water damage specialist that brings back the personal touch with our customers. We will build a relationship that will last a lifetime once you see our quality work. We're passionate about delivering an exceptional experience. When you hire us, you're hiring a team of professionals who are trained and skilled to deliver lasting value to your home. As a locally owned and operated business we feel invested in our clients and constantly strive for customer satisfaction. We won't leave until the job is done right! Call or click to schedule an estimate today!
+8
From average costs to expert advice, get all the answers you need to get your job done.
Get clear answers on how much radon remediation costs, including average prices, key cost factors, and tips to save money on your home’s radon mitigation.
The cost of a radon mitigation system depends mostly on the type of system being installed. Use this guide to learn about your options.
Find out what impacts radon testing costs, including average prices for DIY kits and professional services, so you can protect your home and budget confidently.
Can a homeowner install a radon mitigation system? While some parts of the project are fine for DIY, you should leave the meat of the task to a licensed professional.
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.
Radon is a radioactive gas that can enter a home from the ground. Prepare yourself for mitigation by answering these questions before hiring a pro.
