Cross Contamination Backflow Inspection Companies
February 19, 2026
CROSS CONTAMINATION BACKFLOW PREVENTION TESTING COMPANIES
BVCC Residents Have Used These Companies
If you answered yes to any of the questions on the backflow/cross-connection questionnaire you need to have your system inspected each year. Here is a list of the testing companies that some of our HOA members have used.
AAA Backflow Assembly Testing and Service LLC
aaabackflow.wa@gmail.com
557 Michael Way Camano Island WA 98282
Sheila Zahnow
425 870 9792
Advanced Testing & Service, Inc.
PO Box 1485
Everett, WA 98206
425-337-4175
Backflows Northwest, Inc
12819 – SE 38th STr4eet, # 57
Bellevue, WA 98006
425-277-2888
Batmaster / ABC Water Specialty
2918 – Cavalero Road
Lake Stevens, WA 98258
425-397-0275
GFC Backflow Services
576 – SE Pasek Street
Oak Harbor, WA 98277
360-320-9871
MJTK Backflow Testing
5625 – 90th Avenue SE
Mercer Island, WA 98040
206-786-6823