Verified record
Typical Greater Boston range for this kind of work, from regional averages — not a quote from GNP Construction Corp.. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$23,000 – $35,000
Typical remodeling project around $29,000
The clearest picture of GNP Construction's work sits in the permit records. Nine permitted jobs over two years run from sheet-metal, gas and electrical work on one- and two-family houses around Brockton to a $115,000 single-family reconstruction in North Attleboro in 2024 — footing, foundation, stick frame, siding, porch and roof — and a $9,000 asphalt-shingle roof replacement in Medway in 2025. The New Bedford company is headed by Alvaro Gomez Perez, and the BBB lists it as a one-employee business, file opened 11/7/2022, graded A+ without accreditation. On Angi and HomeAdvisor it presents as a roofer — shingle installs and repairs, free estimates, "Se habla espanol", a self-reported 14 years of experience — and describes itself as locally owned, valuing honesty and integrity. Its Massachusetts Minority Business Enterprise certification, #20220184, is active on the state's supplier diversity registry, running to 2028. One thing to settle before hiring: the state registry shows the company's home improvement contractor registration, #203663, as expired. Ask where that registration stands today, and get the answer before you sign anything. The written history here is one March 2022 review, carried on both Angi and HomeAdvisor: a customer happy with the final result who hired the company again for other projects. For a roof replacement, or framing and exterior work in the stretch between New Bedford and Brockton, the permit trail shows inspected jobs at a real range of sizes. Confirm the registration, put the scope and the price in writing, and ask for addresses of recent work you can go and look at.
We were very happy with the final result, we decided to hire them again for some other projects.
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Aug 9, 2026.
Deck and porch builds5.0
Full roofs completed in under a day4.4
Wallpaper off, whole house skim coated4.3
Doors, decks, siding and trim repairs3.9
Massachusetts-certified MBE and DBE3.4