Kostos Electric

Kostos Electric is a highly regarded electrical contractor serving the Chicago, Illinois metro area with a wide range of residential and commercial electrical services. Known for quality craftsmanship and reliable scheduling, they handle everything from panel upgrades and outlet installations to full rewiring projects. With 138 five-star reviews, Kostos Electric has built a strong reputation across Chicago neighborhoods for professional, code-compliant work. Their licensed electricians bring expertise to both older Chicago-style buildings and modern construction. Q: Do older Chicago homes often need electrical panel upgrades? A: Yes, many Chicago homes built before the 1980s still have outdated 60- or 100-amp panels that may not safely handle today's electrical loads. Upgrading to a 200-amp panel is a common and important improvement for safety and capacity. Q: What electrical permits are required in Chicago? A: Most electrical work in Chicago requires a permit from the city's Department of Buildings. A licensed electrician like those at Kostos Electric handles the permit process and ensures all work passes inspection. Q: Can an electrician help reduce my energy bills in Chicago? A: Yes, a qualified electrician can audit your home's electrical usage, recommend energy-efficient lighting upgrades, install smart switches, and ensure your system runs efficiently — all of which can lower monthly utility costs.