Certified Within All Water Districts in San Diego County

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Our coverage area extends to every region of San Diego

Have you received notice from the water department for a backflow device to be tested and certified? BAJ Backflow and Plumbing has specialized in backflow testing and repair for the past 25 years! Contact our team today for a FREE quote of services.

Efficient and affordable

Initial testing starts at $60 for each device.


Multi-test discounts available upon request.


Tell a neighbor and receive a discount for testing done at the same time.


Also available for plumbing service and repair work on residential and commercial properties.


Backflow testing specials

We will meet or beat ANY licensed and insured plumbing contractors individual test fee.



CALL 619-241-1990 FOR DETAILS)


TEST fee is $60- $80 ea. device.

(Outer area SD Co.

fuel surcharge may apply)

Meeting the needs of San Diego County

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Alpine, Encinitas, San Diego, Bonita, Escondido, Mission Bay, San Marcos, Fallbrook, National City, San Marcos, Hillcrest, Oceanside, San Ysidro, Campo, Pacific Beach, Santee, Cardiff, Pala, Solana Beach, Cardiff-by-the Sea, Jamul, Point Loma, Spring Valley, Carlsbad, Poway, Valley Center, Chula Vista, La Mesa, Ramona, Vista, Coronado, Lakeside, Rancho Bernardo, Del Mar, Lemon Grove, Rancho Santa Fe, El Cajon, and Leucadia.

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