Average Hourly Cost: The average cost of backflow prevention services provided by a plumber in 2023 is estimated to be between $75 and $150 per hour. This cost can vary depending on the type of backflow prevention device, the complexity of the job, and the location and service provider.

Cost Breakdown: The cost of backflow prevention services is usually broken down into the cost of the materials, labor, and other associated costs. The cost of the backflow prevention device itself will depend on the type and quality of the device. Labor costs will depend on the complexity of the job, as well as the location and service provider.

Factors That May Affect Cost: The cost of backflow prevention services can be affected by a variety of factors. These include the type and quality of the backflow prevention device, the complexity of the job, and the location and service provider. Additionally, the cost of materials and labor will also affect the overall cost of the service.