Average Hourly Cost: The average hourly cost of staining carpet floors in the floor refinishing service category is typically around $50 - $100 per hour.

Cost Breakdown: The cost of staining carpet floors will depend on the size of the area to be covered, the type of stain used, and the complexity of the job. Additional costs may include the cost of labor, supplies, and any additional materials or equipment needed to complete the job.

Factors Affecting Cost: Several factors can affect the cost of staining carpet floors, such as the type and quality of the stain, the complexity of the job, and the location and service provider. For example, if the job requires specialized tools or materials, the cost may be higher. Additionally, if the job is located in a remote area, the cost of travel may also be factored into the cost.