Jiaxin Z.
6/18/2025
Grateful for how HCP made my full sewer lateral replacement easy and breezy. I needed extensive documentation for reimbursement purposes, and their staff was quick and responsive. Thanks all!
Harry Clark Plumbing & Heating
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(179)
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3026 Broadway
Oakland, CA 94611
Harry Clark Plumbing & Heating, based in Oakland, CA, has a rich history that began with Harry Clark, who founded Grand Ave Plumbing in the early 1940s. After his passing, his wife, Madeline, became one of the first licensed female plumbing contractors in California, continuing the legacy of quality service in the community.
In 1976, the company was passed on to Donald and Beverly Marshall, who upheld the tradition of local plumbing service. Today, it operates as two distinct companies—one focusing on plumbing and sewer services and the other on heating and air conditioning—while remaining committed to providing exceptional products and services to their customers.
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Reviews
4.0179 reviews
susan s.
6/5/2025
Harry Clark recently did our full sewer lateral replacement and we found working with them an excellent experience! Their staff is very professional, organized, efficient and provided clear...
Zack D.
4/11/2025
Was very impressed with the work Harry Clark did on my massive drainage repair/install in the East Bay. From day 1, they were easy to communicate with, and the entire project went so smoothly. All...
Lauren L.
1/27/2025
My condo recently had HC Plumbing out to do a repair in a unit and the HC plumber accidentally cut a pipe. This caused $18K of water damage that impacted multiple units. HC plumbing admitted to...
Doctor G.
7/18/2024
Harry Clark Plumbing came out and an estimator gave me an estimate to replace gas my furnace. I compared the price to a couple of other companies on Yelp and their price looked good and they...
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