Tile grout cleaningToronto on an average, with a standard range between $279 & $644, grout & tile cleaning costs $451. You would pay from $140 to $1,000, based on the work's sizes & how dirty it is. You could pay from $0.50 and $3 if this is per square foot. It all relies on how many lines of grout you have. Also, the smaller the tiles, therefore more cleaning is needed and, thus, the higher the cost. Since grout is a blend of cement, sand & water, it quickly fills the gap between tiles during construction. The grout is unsealed & has porous content; dirt, mold, grease &limescale can readily absorb. If it is permitted to soak in the dust, dirt, and spills, it will produce patches on the outlines of your floor tiles. Tile grout cleaningToronto cost for industrial companies is also the same as that of residential workers. The pricing model here is about $0.50 per square foot to $3.