Verified record
Williamson Pump & Motor offers pump, motor, electrical, HVAC and water-system services, according to its Better Business Bureau listing. A 2023 announcement on parsonscre.com reported the completion of a 9,885 square foot first floor flex lease in Hopkinton, Massachusetts for the company. The BBB lists it as Williamson Pump & Motor dba Williamson Electrical Co., Inc. in Epping, New Hampshire, with 70 years in business. The service menu on that listing includes booster systems, dewatering pump stations, pump repair, pump station design, sewer pump stations, planned maintenance and remote monitoring. The company is BBB accredited, with an A+ grade.
“Hopkinton, Massachusetts – June 12, 2023 – SVN® | Parsons Commercial Group | Boston is proud to announce the completion of a 9,885 square foot first floor flex lease at 25 South Street in Hopkinton, Massachusetts for Williamson Pump & Motor. ... Vice President | Investment Sales Victor Galvani, and Associate Advisor Matthew Cuneo, of SVN | Parsons Commercial Group | Boston represented the landlord, Weston Partners Acquisitions Group LLC in the transaction. Ted Lyons from Cushman & Wakefield represented the tenant in the transaction. ... 25 South Street totals 53,600 square feet on 6.30 acres o”
“John Mariano of Williamson Pump & Motor came in second.”
“Williamson Pump & Motor has 70 years of experience and expertise in several industries”
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2 changes recorded — last scanned Sep 9, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Williamson Pump & Motor. 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
Old-house knob and tube removal4.5
Panel repair plus critter and snow guards3.6
EV chargers and a 200-amp panel install5.0
Active electrician license 1138-EL-A12.3
Boiler and mini-split installed on time, left clean3.3
