Backflow Testers

The Town of Friday Harbor does not endorse or recommend any Backflow Assembly Tester (BAT) company over another. This is merely a list of companies who have submitted tests and certification information to our office. You may wish to call more than one company to compare services and costs.

Backflow Assembly Testers Serving San Juan


Company Name City Telephone Number
Fax Number
AACRA Backflow Assembly Testing and Service Lake Stevens 425-334-4507
425-334-6526
Andrew Bauer Friday Harbor 360-472-1401
N/A
Bellingham Lock and Safe, INC. Bellingham 360-734-4940
360-647-9540
Blythe Plumbing and Heating, INC. Bellingham 360-733-7810
360-672-3787
Commercial Fire Protection, INC. Mount Vernon 360-848-9093
360-848-1072
Fire ES Mount Vernon 360-424-FIRE
360-848-9543
Mauldin's Well Service Inc. Friday Harbor 360-378-6975
360-378-0975
Western States Fire Protection Company Redmond 425-881-0100
425-881-3030