Newington, CT752 N Mountain Rd, Newington, CT 06111
Verified record
Marconi Construction Co Inc describes itself as a Connecticut builder with 48 years in business. Based in Newington, the company says it combines the resources and structured processes of a large firm with personalized service. Its Connecticut home improvement contractor registration is active.
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No changes recorded yet — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Marconi Construction Co Inc. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$21,600 – $32,900
Typical remodeling project around $27,300
Whole-house addition finished earlier than expected4.7
Quick response to a sewer backup flooding a basement4.5
Bathroom renovation4.1
Careful wallpaper removal4.5
Roof and siding3.0
