Residential & Commercial Electricians in Naperville, IL

Yes — every electrician at Cob Services LLC holds a current State of Illinois electrical license, and the business is fully bonded and insured with general liability and workers’ compensation coverage. Our license number is available on request before any work begins, and we pull all required permits with the local jurisdiction so your project is inspected and code-compliant from day one. You’re never left wondering whether the person in your home or business is qualified.

Yes. Cob Services LLC is a licensed commercial electrician serving Naperville businesses including restaurants, retail centers, offices, medical and dental clinics, multifamily and apartment buildings, warehouses, and tenant build-outs. Typical commercial work includes panel upgrades, dedicated circuits, breaker boxes, lighting retrofits, switchgear, generator wiring, and same-day electrical troubleshooting. Whether you’re scheduling planned maintenance, finishing a build-out, or need an after-hours response, we minimize downtime and complete the job right the first time.

For most electrical emergencies in Naperville, we can have a licensed electrician on-site the same day — often within one to two hours. Sparks, burning smells, repeated breaker trips, exposed wiring, or sudden power loss should always be treated as urgent. Call (630) 427-5923 — we answer around the clock, prioritize safety hazards, and arrive with a fully stocked truck so most emergency repairs can be completed on the first visit, not scheduled for “next available.”

Yes — Cob Services LLC is ICC-certified for EV charger installation and we install every major brand of Level 2 home charger, including the Tesla Wall Connector, Ford Charge Station Pro, Siemens VersiCharge, ChargePoint, JuiceBox, Wallbox, and Emporia. We size the circuit, upgrade your electrical panel if needed, run the conduit, mount the unit, and pull the City of Naperville permit. Most residential EV charger installs in Naperville are completed in a single afternoon.

Yes. Cob Services LLC pulls all required electrical permits with the City of Naperville and the surrounding municipalities — Lisle, Aurora, Plainfield, Burr Ridge, Hinsdale, La Grange, and Downers Grove — and we coordinate the inspection so your project is fully signed off before we close it out. Permits protect your home’s resale value, your homeowners insurance coverage, and your safety. We never take shortcuts on the paperwork side of an installation.

A residential electrician handles homes — lighting, outlets, panel upgrades, EV chargers, ceiling fans, smoke detectors, and whole-house rewiring — and is trained to work cleanly around finished interiors. A commercial electrician handles businesses, restaurants, retail centers, and multifamily buildings, and is trained on three-phase power, switchgear, dedicated equipment circuits, lighting retrofits, and life-safety code. Cob Services LLC employs licensed electricians qualified for both, so Naperville homeowners and business owners can hire one team for either.

In Naperville, a typical 200-amp electrical panel upgrade ranges from about $2,800 to $4,500 installed — including the new panel, breakers, labor, ComEd disconnect coordination, City of Naperville permit, and inspection. Final cost depends on whether the service line is overhead or underground, whether the meter base needs to be replaced, and how many circuits need to be transferred. Cob Services LLC provides free written estimates with the final price locked in before work begins.

In addition to Naperville, Cob Services LLC regularly serves homeowners and businesses in Lisle, Aurora, Plainfield, Burr Ridge, Hinsdale, La Grange, Downers Grove, Bolingbrook, Wheaton, and the surrounding DuPage and Will County communities. We’re a local team — most of our trucks roll out from our Calamos Court shop in Naperville — so response times across the western suburbs are typically same-day for non-emergency calls and faster for after-hours emergencies.

Yes — Cob Services LLC offers free, no-obligation estimates for residential and commercial electrical work throughout Naperville and the surrounding suburbs. For most projects we can send a written quote within 24 hours, and we also offer free virtual estimates so you can get a price without scheduling an in-person visit. The price you’re quoted is the price you pay — no hidden trip charges, dispatch fees, or surprise upsells when our electrician arrives.

Yes — installing a Level 2 home EV charger is one of our most-requested residential services in Naperville. We assess your existing electrical panel, calculate the load with your other major appliances, upgrade the panel if needed, run a dedicated 240-volt circuit, mount the charger in your garage or driveway, and pull the City of Naperville permit. Most homes are EV-ready after a 4–6 hour installation, and we’ll walk you through any available ComEd rebates.