The answer to 'how much does window cleaning cost in Illinois' is that the cost can vary widely depending on several factors. In general, window cleaning services in Illinois can range from $3 to $10 per window, with the average cost being around $5 per window.
The main factors that influence the cost of window cleaning in Illinois include the size and number of windows, the location and accessibility of the property, the frequency of cleaning, and whether it's a one-time service or an ongoing contract. Larger homes, high-rise buildings, and hard-to-reach windows will typically cost more. Additionally, professional window cleaning companies may charge more than independent contractors or DIY options.