Need an electrician you can actually count on? Castro Electric Corp serves Greater Boston and the North Shore with honest, reliable electrical work for homeowners and businesses alike. Owner Rene Castro leads every job with the same standard — show up on time, communicate clearly, and get it done right. From panel replacements and EV charger installation to commercial upgrades and emergency calls, we handle it all. No job too big, no problem too small. Available Monday through Sunday with 24/7 emergency service when you need it most.