The answer to 'tile and grout cleaning prices in Chicago' is that the cost can vary widely depending on several factors. Generally, professional tile and grout cleaning services in Chicago range from around $0.50 to $3 per square foot, with the average being $1-$2 per square foot.
The price is influenced by the size of the area, the condition of the tile and grout, whether any pre-treatment or sealing is required, and the experience level of the cleaning company. Larger jobs and heavily soiled or damaged grout will be on the higher end of the range. It's important to get quotes from multiple local providers to compare pricing and services.