The answer to 'cost to replace flashing in Chicago' is that the cost can vary significantly depending on several factors. Flashing replacement is typically a job best handled by a professional roofing contractor, as it requires specialized skills and tools to properly install and seal the flashing to prevent leaks.
Some key factors that influence the cost of flashing replacement include the size and complexity of the roof, the type of flashing material (e.g. aluminum, copper, or steel), the accessibility of the roof, and the labor rates in your local area. In general, you can expect to pay anywhere from $500 to $2,000 or more for a full flashing replacement on a typical residential roof in the Chicago area.