James Byrne Jr. and his son was absolutely wonderful. The father and son team was very polite, knowledgeable and answered all of my questions before I agreed to the service. Before they started the work they covered the floor and then performed their work in a very neat and professional way. Also the price was very reasonable. I will be using their service for any future plumber issue I encounter.
Rachel Snyder
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December 22, 2025
I recently just moved into a South Philly Rowhouse. The house needed a few plumbing and heating repairs upon moving in. I have been very impressed by the techs this company sends out! They were helpful, ethical, and fairly priced. As a first time homeowner it is intimidating to have repairs done and not have fear you are being taken advantage of. Everything they quoted was fair and repairs were completed quickly. Very thankful I gave this place a call!
Chuck
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February 10, 2026
Guaranteed Plumbing always does great work. Everyone I spoke with was friendly and extremely knowledgeable. I used them years ago to have all plumbing put in a brand new bathroom, and called them immediately when a frozen pipe burst. Highly recommended
Oleg Lougheed
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May 19, 2026
The best father-and-son duo in the business! We called early in the morning about our sump pump issue, and they were here that same afternoon. Not only did they assess the problem quickly, but they fixed everything in one visit. What more could you ask for? Fast, reliable, and high-quality same-day service. Highly recommend it!
Joe P. Tolen
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June 05, 2026
Anthony came out on time did his inspection of my A/C condenser unit and determined it was fully functional and not in any danger of failure. The noise it was making may have been from a power outage that had proceed it before I turned the A/C off. I save a lot of money to a needless repair. Guaranteed Plumbing will always have my business and would strongly recommend their service to my friends and family.
Our Address
900 Cottman Ave, Philadelphia, PA 19111, USA
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James Byrne Jr. and his son was absolutely wonderful. The father and son team was very polite, knowledgeable and answered all of my questions before I agreed to the service. Before they started the work they covered the floor and then performed their work in a very neat and professional way. Also the price was very reasonable. I will be using their service for any future plumber issue I encounter.
I recently just moved into a South Philly Rowhouse. The house needed a few plumbing and heating repairs upon moving in. I have been very impressed by the techs this company sends out! They were helpful, ethical, and fairly priced. As a first time homeowner it is intimidating to have repairs done and not have fear you are being taken advantage of. Everything they quoted was fair and repairs were completed quickly. Very thankful I gave this place a call!
Guaranteed Plumbing always does great work. Everyone I spoke with was friendly and extremely knowledgeable. I used them years ago to have all plumbing put in a brand new bathroom, and called them immediately when a frozen pipe burst. Highly recommended
The best father-and-son duo in the business! We called early in the morning about our sump pump issue, and they were here that same afternoon. Not only did they assess the problem quickly, but they fixed everything in one visit. What more could you ask for? Fast, reliable, and high-quality same-day service. Highly recommend it!
Anthony came out on time did his inspection of my A/C condenser unit and determined it was fully functional and not in any danger of failure. The noise it was making may have been from a power outage that had proceed it before I turned the A/C off. I save a lot of money to a needless repair. Guaranteed Plumbing will always have my business and would strongly recommend their service to my friends and family.