Verified record
Across four review platforms, the same name keeps turning up with near-perfect scores: Ralph Didomenico Licensed Electrician, working out of 27 Cinnamon Cir in Walpole, holds a 4.9 from 53 Thumbtack reviews (98% five-star) and a clean 5.0 from its four HomeAdvisor reviews. HomeAdvisor's page — which lists the business as Didom and Son — states 26 years of experience, and Thumbtack separately lists this LLC at 8 years in business with Top Pro status since 2019. The written record backs that up with specifics, even though none of it is brand-new. In an October 2025 review, a customer said Ralph 'solved my problem and was very responsive' and offered improvement suggestions unprompted. In an April 2022 review, someone who'd been turned away or quoted too high elsewhere said he showed up within the hour and was fair priced. Earlier accounts describe the same pattern: a 2020 review praises him for finding additional panel issues and explaining each one rather than piling on a vague list of work, and a 2018 review describes finishing an emergency repair job at a Providence rental in under 24 hours. BuildZoom's permit records add scale to that reputation — 69 permitted electrical projects logged since 2020 across many towns in the Boston area. One thing worth asking about before booking: BuildZoom's licensing page shows conflicting records rather than a single clean one — an active Journeyman Electrician license (#55470, listed with a July 2025 expiration) alongside a separate Electrician license (#23289) BuildZoom marks inactive and at one point cancelled, plus an unverifiable Electrical Contractor listing in Newton under that same #55470 number. None of these have been checked here against the state licensing board, so they're BuildZoom's claims rather than confirmed status — worth asking Ralph directly which license number is current and verifying it yourself before signing anything. For a straightforward electrical job — a panel issue, an outlet or lighting install, a same-day fix — the reviews point to someone who shows up fast and explains what he finds; just get the current license number confirmed first.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Ralph Didomenico Licensed Electrician. 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
Ralph solved my problem and was very reponsive to my issue. He also had great suggestions for electrical improvements. Ralph was wonderful to deal with. I will definitely call him again.
Ralph was responsive and very efficient after coming out on short notice to help us with numerous electrical issues (tripped circuit breaker, ceiling fan, loose wiring). He did great work and showed up the other electrician's shortcomings. I'm going to have him come out and fix any other issues as well. He knows his stuff and don't hesitate to hire him!
Absolutely amazing work! I reached out to him last minute because everyone else was a no show or too high and he came in an hr and fixed my issue. Not only that he was very fair priced. He will be my main contact for my electrical needs for now on! Great work!
Ralph was very diligent with his work. He actually found additional issues with our electrical panel, on top of what we requested him for. But rather than just compiling a long list of work we need done, he went through each problem one by one and explained what needed to be done. That helped me understand what kind of future work we would need, and what other work we could wait on doing.…
Pleasant people to work with.......Was there where they said they would be there......I like that!!
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2 changes recorded — last scanned Sep 6, 2026.
EV charger installs4.6