About Richard Supply Mastic Corporation

Richard Supply Mastic Corporation is a helpful and knowledgeable business that provides excellent support for DIY projects and plumbing needs. Customers appreciate the staff’s patience and expertise, often saving time and money by offering solutions and repairs on-site. The team is known for their caring service, fixing issues like clogged strainers and stuck valves, and even including useful accessories like pipe dope. Overall, it’s a trusted place for quality advice and affordable repairs.

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Reviews for Richard Supply Mastic Corporation

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Dec 2023
I'm a DIY'er and ran into a problem I couldn't solve. Home Depot in Shirley had no one in plumbing, not a soul. Went here and the guy behind the counter coached me through the project. Customer for life.
Jul 2022
These guys were extremely helpful. They saved me from hiring a plumber. I wanted to descale my tankless system. One of the sevice valves was stuck in the closed position. Even after it turned, it wouldn't open. I removed the valve and brought it down to Richard Supply. They were able to open and add on a valve with a metal turn switch. It all worked and it saved me money and headaches. It cost me $21. They even included some pipe dope for the threads going back into the sytem. Thank you!
Mar 2021
Mark and all the other staff do a great job giving advice and pointing in the right direction. They stand behind their products and always go the extra mile. Our plumber took us here to select a few items for our bathroom renovation, and I felt like we were the most important customers they ever had (I am sure we were not LOL). Highly recommend