In Dover, a maid service’s average hourly costs typically range from $20 to $50. Square foot rates are basically used for what they call a "first clean". This normally serves as a basis for professional cleaners to work from. Essentially, first cleans are usually expensive because maid service in Dover professionals need to determine the period in which they have to stay at the house to complete the cleaning task. The usual overall charge of the cleaning service may also depend on the number of people that will clean. For example, a team of two Dover maid service professionals may cost a homeowner $200 for four hours of cleaning services.