About Plumbing Mastered

Plumbing Mastered is a licensed, insured, and bonded family-owned company serving Washington D.C. and Maryland since 1996. Known for excellent service and transparent pricing, the business has earned high praise from customers who appreciate the professionalism and knowledge of its team. Reviews highlight the efficiency and thoroughness of the staff, who provide clear explanations and estimates before starting work. Customers report that Plumbing Mastered avoids upselling, focusing instead on what is truly needed. The team takes the time to offer valuable maintenance suggestions and addresses issues overlooked by larger chains. With a strong commitment to customer satisfaction, Plumbing Mastered has become a trusted choice for plumbing needs, with many customers expressing a desire to work with them again in the future.

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Reviews for Plumbing Mastered

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  • Aug 2026

    Plumbing Mastered LLC provided outstanding service from start to finish. Mr. Don arrived on time, was highly professional, patiently answered my many questions, and offered valuable expert advice.

    After experiencing a significant water leak, Plumbing Mastered upgraded my laundry room’s water line connections by installing a larger washer outlet box, new water-hammer arrestors and valves, and replacing portions of the hot and cold CPVC lines with copper to help reduce the risk of future cracks and leaks.

    The quality of their work and customer service was exceptional. I highly recommend Plumbing Mastered LLC for reliable, knowledgeable, and professional...read full review

  • Aug 2026

    UPDATE:
    Recently, I came back from vacation and discovered that my sump pump had stopped working, and part of my basement was flooded. I called Don, at Plumbing Mastered, and he was at my house the next morning. He replaced the sump-pump and also repaired an issue with an outside spigot. He tightened the shutoff valve, which was leaking. After that repair, it was discovered that the vacuum for the spigot was broken. He informed me that it was a discontinued part, and he might be able to obtain one, from a supplier in Beltsville. I told him that, if he could not locate a replacement, I would just pay for a newer replacement (which would have been @$650). He stopped...read full review

  • Aug 2026

    Don was terrific. Another plumber had tried to fix a stopped up kitchen drain but it was back to being stopped up in 24 hrs. Don tackled it retreated a blockage for the ages and had it fully cleaned. Highly recommend!

Hours

Monday: 8AM - 6PM
Tuesday: 8AM - 6PM
Wednesday: 8AM - 6PM
Thursday: 8AM - 6PM
Friday: 8AM - 6PM
Saturday: 8AM - 3PM
Sunday: Closed

Location

10015 Old Columbia Road Suite B 215, Columbia

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