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Tyngsboro, MATyngsboro, MA
Verified record
RFB Electrical is a Tyngsboro electrical contractor that, by its own BBB description, primarily handles industrial and commercial installations, maintenance and repairs to electrical wiring, and offers 24-hour emergency service. The company says it was established and incorporated in Massachusetts in 1986. Its Massachusetts electrician licence, #4020-EL-A1, is active on the state registry, with Rfb Electrical Co Inc as the holder of record, and its BBB grade is A+. On BBB, the company also lists a master's licence numbered 11187.
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1 change recorded — last scanned Sep 22, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from RFB ELECTRICAL. 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
400A panel upgrades and full knob-and-tube rewires5.0
Solar designed around a peaky Victorian roof5.0
Replaced a 40-year-old boiler and dead mini-split3.6
24/7 emergency serviceNot yet rated
Broad project mix3.5
