Auburn · King / Pierce County
Backflow testing in Auburn — commercial premises isolation specialists
Auburn’s rules are stricter than most. Every water service that doesn’t serve a single-family home needs premises isolation at the meter, usually an RP. The City sends a notice every year, and you need a registered tester to test and submit the results.
City of Auburn program
How Auburn’s backflow program works
The short version, summarized from the utility’s own cross-connection control materials.
Source: City of Auburn Water Utility · verified October 2026 ↗Under Auburn City Code 13.12.040, commercial businesses, irrigation systems and fire lines must have backflow assemblies.
Every service that isn’t a single-family home requires premises isolation — single-family homes too if they have irrigation.
New or updated commercial and multifamily buildings typically need an RPBA; irrigation and fire systems without chemicals can use a DCVA.
The City notifies owners each year to hire a certified tester and submit results. Testers must be on Auburn’s registered tester list.
Report submission
We submit test results to the City of Auburn’s cross-connection program.
On the ground
What we see in Auburn
Every city’s housing stock and commercial mix shapes what’s in the meter box.
Industrial & logistics
Auburn’s industrial district runs fire lines, process water and premises-isolation RPs on nearly every building. We handle multi-assembly sites on a single schedule.
Neighborhoods
Serving all of Auburn
- Downtown Auburn
- Lea Hill
- West Hill
- Lakeland Hills
- North Auburn
- Auburn industrial district
FAQ
Auburn backflow questions
01 Who can test my backflow assembly in Auburn?
02 How do backflow test reports get submitted to City of Auburn?
03 How much does backflow testing cost in Auburn?
04 What if my assembly fails in Auburn?
Field test report · next due
Auburn test due? We’ll handle it.
Book online in two minutes. We test, repair if needed, and file the report with your water utility — and remind you next year.