Proudly Serving Durham Region Since 1979 Caldwell Plumbing has delivered reliable plumbing and drain services to homeowners and businesses across Durham Region for decades. Our licensed, local Pickering plumbers provide clear solutions, fast response times, and dependable workmanship day or night. With great service comes great customer satisfaction, and that’s our number one goal! The team at our plumbing company in Pickering specialize in a wide variety of services, giving you clear answers and practical solutions.