Brentwood Plumbing, Antioch Plumbing, Pittsburg Plumbing At In Demand Plumbing , we take a personal approach to our customers and businesses. We take pride in bringing Brentwood, Antioch, Pittsburg & Concord CA the most honest and reliable plumbing services available. From tankless water heater installation and repair to sewer repairs, we offer our clients fair pricing and quality work....