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Callahan Excavation is a digging contractor with a Malden following: a 2026 r/malden commenter, explaining that digging for plumbing work calls for an excavator from the city's licensed list, said they had used Callahan and spoke well of the company. In a 2019 Angi review, a customer said Bill and his crew had been digging up the road a few feet from their front door for a couple of weeks to replace a neighbor's septic system with city sewerage. That 2019 customer said that, knowing of Malden's lead-copper regulations, Bill offered to replace their lead water line while he was working in the area.
“If you’re digging you need to get a list of licensed excavators from the city for any plumbing work, engineering can email it to you very quickly. We’ve used Callahan and they were great.”
Bill and his crew had been digging up the road a few feet from my front door for a couple of weeks in order to replace my neighbor's septic system with city sewerage. Knowing of Malden's lead-copper regulations, he offered to replace my lead water line while he was working in this area. In spite...
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2 changes recorded — last scanned Sep 14, 2026.
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