The cost of power washing can vary depending on several factors, including the size of the area to be cleaned, the level of grime or dirt, the specific surfaces involved, and the geographical location. Additionally, different service providers may have varying pricing structures. Here are some general guidelines to give you an idea of the cost:

1. Size of the Area: The larger the area to be power washed, the higher the cost. Power washing prices are often quoted per square foot or hour of labor.
2. Type of Surface: Different surfaces may require different levels of care and expertise. For example, power washing a concrete driveway might be less expensive than cleaning a delicate surface like a cedar deck.
3. Level of Dirt and Stains: If the surfaces have significant dirt, stains, or mold, it may require more time and effort, affecting the overall cost.
4. Additional Services: Some power washing services may include other services like applying cleaning agents or sealants. These extras can increase the overall cost.
5. Geographical Location: Prices can vary based on the cost of living in a particular region. Urban areas and areas with a higher cost of living may have higher service rates.
6. Seasonal Factors: Demand for power washing services may vary by season. Some providers may offer discounts during the off-peak season.