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JNM Electric LLC is a Windsor electrical outfit with a 4.6-star Google rating from 36 ratings. A Maine electrician license, number MS60020784, is active on the state registry, with Corey M. Roberge as the holder of record. A 2025 customer said Corey set a date a month out for a garage panel install, showed up right on time and stuck to the quote. That customer said he explained the process of getting power to a new structure. A 2024 customer said Corey worked on their new build and that JNM made the electrical part of the project easy. In a 2021 review, a customer said an accident cut the electrical wire to their well in half; they called for an emergency visit, and the customer said the company came right out, gave a couple of options and fixed it shortly after. A 2022 customer said they hired the company for a ceiling fan install and followed its advice to add a switch rather than rely on the remote alone. A 2023 customer said Justin replied within 15 minutes of a text, tried to troubleshoot over the phone and stopped by the next day. A 2023 customer on crutches said they left after 5 minutes because the customer did not get to the door in time, and that a December text got the answer that they "could come out till January." A 2023 customer said they made an appointment, no one showed, and a voicemail was never returned.
Honest, fair, and hardworking, master electricians.
Needed a garage panel installed. Corey was up front with availability, set a date a month out, showed up right on time. Quoted the job, stuck to the quote, explained the process of getting power to a new structure, super helpful. Corey and Justin are great!
If you’re looking for an electrician, look no further. Corey and Justin were professional, fair, and efficient. I recommend these guys and will use them again.
Corey has been a pleasure to work with. He worked diligently and efficiently on our new build and has outstanding communication. We could not be happier with the experience we've had with JNM, they made the electrical part of the project easy and stress-free!
Super nice guys with very professional demeanor. Came on the scheduled date and finishes the work efficiently. Overall great experience.
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2 changes recorded — last scanned Oct 30, 2026.
Typical Maine range for this kind of work, from regional averages — not a quote from JNM Electric LLC.. Use it to sanity-check bids, then get the real number in writing.
Standard receptacle swaps — a new dedicated circuit is a bigger job ($350–$750).
Flush mounts, pendants, chandeliers — hung on existing boxes.
Estimated range
$500 – $1,050
Typical electrical project around $780
Four-apartment building rewiring3.9
Pump and heater wiring3.6
