Summary: distribution box replacement typically runs from about $1,000 to $5,000. Most homes fall in the $1,500–$3,000 range for standard upgrades; complex upgrades or high-end panels can push totals higher. Always factor permit costs and potential town-specific requirements. Typical cost ranges for replacing a distribution box or service panel in the United States vary widely based on panel size, amperage, labor, and whether a full service upgrade is needed. This guide presents clear cost ranges and the main drivers to help budget accurately. The price depends on electrical code upgrades, permit. ed for interconnection. Unit Cost Guide is not binding for actual facility costs and is provided only for additional cost transparency nd developer reference.