Average Hourly Cost: The average hourly cost for a sprinkler system rain sensor inspection by a lawn sprinkler system contractor is typically between $50 and $80.

Cost Breakdown: The cost breakdown for a sprinkler system rain sensor inspection typically includes the cost of labor, materials, and any additional fees. The cost of labor usually accounts for the majority of the total cost.

Factors Affecting Cost: Several factors can affect the cost of a sprinkler system rain sensor inspection. The type and quality of the accessory, the complexity of the job, and the location and service provider can all influence the cost. The more complex the job, the higher the cost. Additionally, the cost of the inspection may vary depending on the type and quality of the accessory, as well as the location and service provider.