How much does backflow testing cost for residential properties?
Residential backflow testing pricing depends on the device type and how many assemblies you have. We provide transparent, upfront pricing after a quick on‑site review. Licensed, insured, and Washington State–certified Apollo Plumbing technicians perform the test and document results for your records in Seattle, Everett, and nearby areas.
Quick factors:
- Number of backflow assemblies
- Device size and access location
- Condition and any repairs needed
- Scheduling window (standard vs. urgent)
Updated: 2025-12-24
Need help in Seattle, WA? Call (425) 387-1507 or book online.
Sources
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