Certified Indoor Environmental
4.9
One request, multiple quotes — don't overpay
Certified Indoor Environmental has an established online presence — certifiedie.com was first registered on February 22, 2017, 9 and a half years ago.
Websites like this with a 9½-year history are a positive indicator of business stability in the Portland area.
How Certified Indoor Environmental compares
4.9 ★
above the 4.9 area avg
9 yrs
online since 2017
30
radon mitigation providers in area · 28 rated 4+★
Other Radon Mitigation in Portland
Radon Testing and Mitigation PNW5.0Radon Testing And Mitigation PNW5.0Down Under Environmental4.0Alpha Environmental Services4.8ABSOLUTE ENVIRONMENTAL5.0Redline Environmental5.0
View all radon mitigation in Portland →