Napa County · Since 1998

Backflow Testing, Repair & Installation in Yountville, CA

All Pro Backflow has kept Yountville's water safe for over two decades. Certified testing, fast repairs, professional installs, and 24/7 emergency service — for homes, businesses, and municipalities.

Your local backflow specialists in Yountville

Property owners and managers in Yountvilleare required by their water purveyor to keep backflow assemblies tested and in good working order. All Pro Backflow makes that simple — we're a certified, family-owned company that has served Napa County and the greater Sacramento region since 1998.

From a single residential device to large commercial and municipal portfolios, we test, repair, install, and protect backflow preventers in Yountville — and we file all the required paperwork with your water district, so staying compliant is effortless.

  • Certified annual backflow testing
  • Repairs & rebuilds, all brands
  • New installation & replacement
  • Freeze & theft protection
  • 24/7 emergency response
  • Free estimates & fair pricing

Frequently Asked Questions

Backflow questions from Yountville customers.

Yes. All Pro Backflow provides certified annual backflow testing throughout Yountville and Napa County, and we file your results directly with your water purveyor.
Our Sister Company

Need backflow parts or freeze bags?

All Pro Backflow handles the service — our sister company, The Backflow Depot, stocks the parts. Repair kits, complete assemblies, test equipment, and USA-made freeze bags in 50+ sizes, with same-day shipping from Rocklin, CA.

Need backflow service in Yountville?

Certified, family-owned, and available 24/7.