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McMahon Electric LLC is a Dracut, MA electrical contractor at 25 Chuck Dr, run by Ron McMahon, with customers in reviews from both Massachusetts and New Hampshire. The company's site says it does residential and commercial electrical work, new construction, rewiring, lighting and troubleshooting, offers free estimates and 24/7 emergency service, and has been in business 20 years. The Massachusetts registry shows electrician license 53438 as active, held by RONALD E MCMAHON. The New Hampshire registry shows electrician license 14146 as active, also held by Ronald E Mcmahon. Google shows 4.7★ from 64 ratings, and BBB gives the company an A+. Recent Google reviews describe panel and service work: in an August 2026 review, a customer wrote that Ron and his crew upgraded a panel to 200 amps, added deep earthing rods and set up an EV charger in one day, handling the permit and inspection. A January 2026 reviewer who lost heat and power on one of the coldest nights wrote that the crew came the very next day and worked outside in 4 degree temps, and a February 2026 reviewer said Dylan came out at night and fixed a power outage within 45 minutes. A June 2026 reviewer wrote that when a newly installed light did not work, the crew came back and would not take payment for the extra time. Earlier reviews describe a Level 2 EV charger with a NEMA 14-50 plug (July 2025), knob and tube removal and rewiring (September 2025) and a full service update on a 3 family house that the code inspector approved (October 2022). There are serious complaints. A September 2023 reviewer wrote that a panel replacement failed the permit inspection and that Ron left the job and stopped answering calls and texts after taking full payment. A September 2024 reviewer was charged $250 for a 45-minute diagnosis that another electrician later found to be wrong, and a May 2024 reviewer who hired the company for a development project accused it of dishonesty and poor quality work and wrote that the team disappeared before the job was finished.
“This Dracut area electrician is rated 1.0 from 1 review.”
It's been a year since Ron and his crew upgraded my panel to 200 amps, fixed the service entrance cable sheathing, added deep earthing rods and set up an EV charger for my car. Honestly, they did an awesome job—haven't run into a single issue since. It was super hot the day they came out, but they powered through and completed the whole thing in one day. They took care of the permit and inspection, cleaned up every bit of mess before leaving, and Ron gave me a clear invoice. Fair price and great work. Definitely calling them back if I need anything else done.
Highly recommend McMahon Electric. They showed up on time & came in under budget. One of the lights they installed was not working so they came back out & had to do additional work, but when I offered to pay for additional time, they assured me that payment was not needed as all their work is guaranteed
Great team of skilled electricians. They arrived promptly and did the work at a reasonable cost. This was our second time employing McMahon Electric. Very happy.
I had an excellent experience with this company. They solved my issues very quickly and told me exactly what the problem was and what they did to resolve it. Moreover, because of a hidden switch whose existence was unknown to me I had to call them back. They came back the next day and discovered it. They did not charge me anything for that. I will certainly keep their number at hand in case anything happens in the future.
Ron and his team came through and added recessed lighting and upgraded all the switches and outlets at my home. I didn’t really have a plan for what I wanted but they came through and made the process easy and hassle free. All members of the team were professional, efficient, knowledgeable and personable. I look forward to having this group come back next time I have a need for electrical work, and would highly recommend to anyone in the area.
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2 changes recorded — last scanned Sep 22, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from McMahon 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
$530 – $1,100
Typical electrical project around $820
Fast emergency response4.1
Family-run since 19793.9
42 years in business3.6
Licensed electricianNot yet rated
