7 backflow testers in Boise, ID. 1 of them carry a Google rating, from 4.8 to 4.8 stars across 16 reviews — 1 sit at 4.5 or better. 7 list a phone number and 4 a website. Best-rated first; contact them yourself, we don’t resell your details.
Backflow testing is usually an annual requirement enforced by the local water authority, and the tester generally has to be separately certified — not every plumber holds that certification.