Mr. Backflow is a Christian, family-owned company proudly serving Carlsbad, Encinitas, Vista, San Marcos, Rancho Santa Fe, and surrounding areas in North San Diego County. We specialize in certified backflow testing, repairs, replacements, cage installations, and new backflow preventer installations. With a commitment to honest, reliable service, we protect your water systems from contamination and ensure full compliance with local codes. Trusted by homeowners, HOAs, and businesses alike, we deliver fast, affordable service with exceptional care—every time.

backflow, backflow testing, backflow preventer