Most homeowners don't go looking for a switchboard upgrade. They find out they need one when an electrician shows up to install a new split-system air conditioner, wire in an EV charger, or trace a tripping circuit and says, "Your board isn't going to handle this." That conversation is more common than most people expect, and the switchboard upgrade cost can range from $900 to $8,000 or more depending on the job. Most people have no reference point for whether that quote is r
