The answer to 'cost of backflow preventer repair' is that the cost can vary significantly depending on several factors. Backflow preventer repair typically ranges from $150 to $500 or more, but the exact price will depend on the type of backflow preventer, the extent of the repair needed, the complexity of the job, and your location.
Factors that can influence the cost include the materials needed, the labor required, any permits or inspections required, and whether the backflow preventer needs to be replaced entirely. Backflow preventers in hard-to-access locations or those that require specialized tools or expertise may also cost more to repair. Getting quotes from local plumbing professionals is essential to determine the specific cost for your situation.