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O'neill Plumbing and Heating, Inc. Oneill Plumbing & Heating are experts in a full range of plumbing and heating projects utilizing quality craftsmanship, trustworthy professionals, superior hardware, and competitive rates are what makes us the best choice for all your plumbing and heating needs. O'Neill Plumbing and Heating, Inc. is a family owned small business established in 1994 in Northern Baltimore.

Our mission has always been simple: to provide high-quality services for our valued clients. Our trusted team goes above and beyond to cater to each project's specific needs.
Reviews (10)
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Greg Jenkins
Feb 05, 2022
Great service. Been using pat oneill and nick for years.know their stuff.
Jesse Carey
Jan 15, 2022
O'Neill plumbing has been incredibly helpful anytime plumbing needs arise at our house. They come out quickly when issues have been more pressing. They are friendly and professional. Would highly recommend.
Randall Hill
Dec 21, 2021
Mr. O'Neill was referred to me by a neighbor that was extremely pleased with his service. We had a kitchen faucet installed by his son that was very professional and fast. Labor fees are very reasonable. Our latest experience was with our furnace. The pressure release valve was purging constantly. I had purchased a new valve and a new expansion tank to install, but my wife has taken ill and I didn't have the time to do it. Mr. O'Neil came to our home and diagnosed the problem in about 3 minutes and fixed it without needing any of the parts I had purchased. He saved me money and hardship of not having heat during the cold days of December. I highly recommend him and his company.
Hilary Leoni
Dec 02, 2021
Super from start to finish! Honest. Thorough. And reasonable pricing. I was very happy with the service and job done. We needed a dishwasher installed. 2 other plumbing companies were 3X the cost. Not only was Oneills price great but the job done was A+! Highly recommend!
Sade' Wimberly
Jun 18, 2020
I called this morning about a plumbing issue and the man i spoke with was beyond helpful! Although they were overbooked and could not assist me, he provided me with contact information for another plumber! Great customer service!
Hannah Ferguson
Jan 16, 2020
This service was provided through our rental company, which can sometimes be a gamble. O'Neill Plumbing & Heating was prompt in setting up a time to come to the house on short notice (twice). The technicians were friendly and professional. Couldn't recommend them enough!
Steve
May 26, 2017
The technician showed up as requested on short notice. He was polite and did a great job. He even cleaned up after himself when he fixed our leaky faucet and shut off valve. Definitely will use them again and recommend to others.
Baltimore Mediation
Oct 22, 2015
Pat and his team have been excellent for us for many years. Always very responsive and very good price.
Austin Haynes
Apr 24, 2015
I live out of state and have a home in Baltimore as a second residence. Pat and his team at O'neill's was referred to me and I could not be happier. This is an older home that needed a lot of TLC and Pat has provided it. His rates are reasonable and his service is first class! I highly recommend O'Neill Plumbing!
Jeffrey Walbrecher
Dec 15, 2012
I live in an old house in the Roland Park area in Baltimore. I have experienced many plumbing issues since purchasing my house 13 years ago. I used many different plumbing company previously I was unsatified with the service that was provided by those Company's. I was directed too Oneill Plumbing by a friend of mine. I started using Oneill for all of my plumbing issues for about 5 years now. Wow!

They are honest, friendly, competent, respectful, and so on. They always offer fair pricing. They do not try to make an arm an a leg off of you. I had a very complex issue the last time I used them. The technician Ron was extremely confident in the matter which gave me the impression I was in good hands. I would never call another plumber in the Baltimore area. They are a great small company and I would recommend them to anyone in search of a great plumber!