1st DeFense Radon Testing and Mitigation
9120 Hillside Trl S
Cottage Grove, MN 55016 651-503-3131
Cottage Grove, MN 55016 651-503-3131
Ratings
Consumer Ratings for 1st DeFense Radon Testing and Mitigation — 4 Ratings
Percent of customers who rated service "superior" for:
Doing service properly on first try
Promptness/responsiveness
Advice on service options and costs
Overall quality
Consumer Comments for 1st DeFense Radon Testing and Mitigation
Apr 26, 2026
Feb 14, 2024
Sep 26, 2022
...and 1 more consumer comment for 1st DeFense Radon Testing and Mitigation