· Chelmsford, MA · 35 Henry J Drive, Chelmsford, MA 01824
Verified record
Daniel P. Callahan is based in Chelmsford, MA. BuildZoom lists Massachusetts licence number 15030 for him and shows 67 projects.
Languages
No changes recorded yet — last scanned Sep 25, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Daniel P. Callahan. 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
