Average hourly cost: The average cost of floor leveling and grinding in the wood floor installation service category is around $50-$90 per hour.

Cost breakdown: The cost of floor leveling and grinding typically includes the cost of labor, tools, materials, and any other miscellaneous costs. Labor costs are typically the most expensive component, accounting for about 70-90% of the total cost. Tools and materials are typically the second largest cost, accounting for about 10-30% of the total cost.

Factors that may affect the cost: The cost of floor leveling and grinding can vary depending on the type and quality of the accessory, the complexity of the job, and the location and service provider. The type and quality of the accessory can impact the cost, as higher quality materials may require more time and effort to install. The complexity of the job can also affect the cost, as more complex jobs may require more time and effort to complete. Additionally, the location and service provider can impact the cost, as some providers may charge more due to their expertise or experience.