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Dias Souza Construction is a masonry business founded in 2017 by Nilson de Souza, who says he brings over 18 years of hands-on masonry experience. The company says it works across Greater Boston with a team of 4 to 6 craftsmen, on jobs ranging from small walkways to large retaining walls, and it offers free estimates and says it's insured. Confirm the crew size and timeline for your specific job, and get a written scope and price before work begins.
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1 change recorded — last scanned Sep 22, 2026.
Step and staircase rebuilds5.0
Basement waterproofing5.0
Retaining walls5.0
Renovates century-old structures5.0
Wood and block retaining walls4.9