About
Interstate Electrical Contractors is a licensed electrical contractor serving Glendora, Upland, Diamond Bar, Arcadia, and nearby areas. Owner Frank Chiavarini has 45+ years of electrical experience and provides safe, honest, and dependable electrical services for homes and businesses.
We specialize in electrical repairs, troubleshooting, panel upgrades, breaker repair, outlet repair, electrical wiring, lighting installation, ceiling fan installation, EV charger wiring, conduit work, electrical inspections, and other electrical installation services.
Our goal is to complete every job the right way with clear communication, clean workmanship, and fair pricing. Whether you need a small electrical repair or a larger electrical project, Interstate Electrical Contractors is ready to help with professional electrical service.