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GM Construction Improvements is a Whitman contractor whose own site describes carpentry repair work: replacing damaged trim and rotted window frames, rebuilding worn stair components and custom moldings. The company says it has been in business 5 years, is insured and offers free estimates. Its Massachusetts home improvement contractor registration (#212124) is active. On Google it holds 4 stars from 4 ratings, and a September 2026 reviewer wrote that they were very pleased with the work and the reasonable price.
Very pleased with the work done and most importantly at a reasonable price!!!
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1 change recorded — last scanned Sep 24, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from GM Construction Improvements. 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
Staff guide shed material and color choices5.0
Kitchen in a 1910 home fully remodeled4.0
