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Local business · 45 WINTHROP STLocal business · 45 WINTHROP ST
Verified record
Juan F. Mendoza is a Winthrop, Massachusetts contractor doing business under his own name. BuildZoom lists a Massachusetts Home Improvement Contractor registration for him, #196178, which it says it verified active as of March 2026. Confirm the licence directly and get a written scope and price before booking any work.
Specializes in
Languages
1 change recorded — last scanned Aug 3, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Juan F. Mendoza. 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
Decks and porches5.0
Clients returning for 10 and 20 years5.0
Detailed craftsmanship5.0
Renovates century-old structures5.0