The answer to 'how much to replace GFCI outlet in Chicago' is that the cost can vary widely depending on several factors. Typically, the cost to replace a GFCI outlet in the Chicago area can range from $75 to $250 or more. The exact price will depend on the complexity of the electrical work, the condition of the existing wiring, the cost of materials, and the hourly rate of the electrician.
It's important to get quotes from licensed and insured local electricians to get an accurate estimate for your specific project. They can assess the situation and provide a detailed breakdown of the labor and material costs. Replacing a GFCI outlet is generally a straightforward task, but it's best to have a professional handle it to ensure it's done safely and up to code.