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Local business · Waltham, MALocal business · 611 Trapelo Rd Unit 1, Waltham, MA 02452
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LANGEO CONTRACTING LLC works out of 611 Trapelo Rd in Waltham and describes itself as a general contractor for Middlesex County, handling residential and commercial construction alongside facility services, maintenance, repairs and project oversight. Its site describes the company as licensed and insured. That span — building work on one side, standing upkeep on the other — is the thing to sort out on the first call: say whether your job is a one-off renovation or recurring maintenance, and ask who from the company runs the site day to day. Get the Massachusetts home improvement contractor registration number and a certificate of insurance in writing before work starts, plus a couple of recent Middlesex County references.
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1 change recorded — last scanned Sep 4, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from LANGEO CONTRACTING LLC. Use it to sanity-check bids, then get the real number in writing.
A typical single-level deck is 12×16 — about 200 sq ft.
Estimated range
$7,750 – $14,500
Typical carpentry project around $11,100
Renovates century-old structures5.0
Custom built-ins4.2
Finish carpentry4.2
Custom cabinetry3.5
