Replacing an electrical panel typically costs between $530 and $2100, depending on location, hardware type, and building materials. Upgrading to a 200-amp panel and updating wiring can cost anywhere from $1,280 to $2,700. The cost for this type of upgrade is roughly $4 per square foot, not including panel costs. To upgrade from 100 amps to 200 amps, expect to spend around $1,300 to $1,600, or $1,800 to $2,500 if a new service panel is needed. The average cost for an electrical panel upgrade is between $1,300 and $3,000, with the majority of the cost coming from labor. Rewiring a house can cost between $6 and $10 per square foot, with an average price of $12,000 to $20,000. Upgrading from 100 amps to 200 amps can cost between $1,500 and $4,500, with a typical cost of around $3,000. Lastly, a 1435 sqft condo in North Bethesda, MD has 2 beds and 2 baths and is currently not listed.