The answer to 'cost of backflow preventer repair local' is that the cost can vary significantly depending on several factors. Backflow preventer repair is typically handled by professional plumbers, and the pricing will depend on your location, the type and complexity of the backflow preventer, the extent of the repair needed, and the hourly rates of the plumber.
Generally, you can expect to pay anywhere from $200 to $500 or more for a backflow preventer repair, but getting quotes from local plumbers is essential to determine the exact cost for your specific situation. The price may also be influenced by the accessibility of the backflow preventer, the need for any additional parts or materials, and the labor required to complete the repair.