Backflow testing · Redmond, WA

Backflow assembly testing and repair, seven days a week.

Backflow assembly testing and repair for residential and commercial properties in most areas of King and Snohomish counties.

Weekend testing and repair at no additional charge, per the shop.

Test reports sent to your water district within one day

After testing, the report is emailed or faxed to the water district within one day, and a laminated, date-punched tag is placed on the assembly.

The shop’s own description of its process.

What we do

Testing and repair, residential and commercial

  • Backflow assembly testing
  • Backflow assembly repair
  • Residential service
  • Commercial service
  • Annual maintenance program (optional)

Services and water districts

Owner

Jack Allenfort, Owner

Named as owner on the shop’s About page.

About the shop

Active Washington plumbing contractor license, backflow specialty

Source: Washington State Department of Labor & Industries public contractor dataset, checked 2026-10-26. Public-record data, not a claim made by the shop.

Need a backflow test?

Call to schedule. Open seven days a week.

(425) 495-1939