Business Details
23 Years
experience
Emergency
services
Expert Plumbing, Heating & Water Treatment in Flemington, NJ
Since 2003, Patriot Plumbing Services has delivered expert plumbing, heating, and water treatment solutions across New Jersey. Founded by Mark Johnson, a licensed master plumber with 25 years of experience, and Lisa Johnson, the business combines technical expertise with customer-focused management. Our team specializes in residential and commercial installations, repairs, and maintenance, including high-efficiency boilers, oil-to-gas conversions, and water quality systems tailored to local geological challenges. Certified in leading industry standards like Energy Kinetics and Rinnai, we prioritize prompt, ethical service and personalized communication.With a central base in Flemington, we serve Hunterdon, Morris, Somerset, Warren, and surrounding counties, maintaining a reputation for reliability and quality craftsmanship. Our approach integrates decades of field experience with continuous education to meet evolving industry regulations and customer needs. We emphasize transparency, cleanliness, and problem-solving to ensure long-term client satisfaction and trust.
Services
Residential Plumbing
Commercial Plumbing
Water Treatment
Boiler Installation
Gas Line Installation
Oil-to-Gas Conversions
Emergency Repairs
Water Softener Systems
Hydronic Heating
Piping Repairs
Details
- Year established: 2003
Highlights and features
- 25 years of plumbing expertise with NJ Master Plumber License 11858
- Certified in leading industry systems including Energy Kinetics and Rinnai
- 24/7 emergency response for urgent plumbing issues
- Personalized service with live phone support during business hours
- Family-owned commitment to ethical business practices
Associations and certifications
- Energy Kinetics System 2000
- Rinnai tankless water heaters
- Vanex Pex piping systems
- Veiga radiant hydronics
What people say
Prompt emergency response
Knowledgeable technicians
Excellent workmanship
Professional service
Reliable solutions
Services
Water Treatment
Our water treatment solutions address hardness, acidity, and contaminants common in New Jersey's groundwater. We install softeners, neutralizers, UV purifiers, and reverse osmosis systems to protect plumbing and improve water quality. Custom solutions ensure appliance longevity and safe drinking water.
Boiler Installation
We specialize in high-efficiency hydronic heating systems using Energy Kinetics, Burnham, and Navien boilers. Services include steam and hot water systems for radiant heat, baseboards, and radiators, with expertise in oil-to-gas conversions for improved efficiency.
Emergency Repairs
24/7 emergency services address burst pipes, gas leaks, and heating failures. Our rapid response team resolves urgent issues while minimizing property damage. Same-day repairs ensure quick restoration of critical plumbing functions.
Gas Line Installation
We design and install natural gas and propane piping systems for home heating, appliances, and outdoor grills. Certified in Wardflex and Vanex Pex systems, ensuring safe, code-compliant installations for residential and commercial properties.
Oil-to-Gas Conversions
Upgrade aging oil systems to cleaner, more efficient gas-powered heating. Our experts handle complete system replacements, including tank removal coordination, underground line installations, and EPA-compliant transitions for residential and commercial clients.
People
Mark Johnson
Master Plumber
With 25 years of experience and NJ Master Plumber License 11858, Mark leads technical operations. He specializes in boiler systems, oil-to-gas conversions, and complex piping solutions, ensuring fieldwork meets industry standards.
Lisa Johnson
Business Manager
Lisa manages operations and customer relations, leveraging her background in accounting and construction business management. She ensures administrative efficiency and maintains the company's commitment to responsive service.
Questions
Do you offer 24/7 emergency plumbing services?
Yes, we provide 24/7 emergency response for urgent plumbing issues like burst pipes, gas leaks, and heating failures.
What areas do you service?
We serve Hunterdon, Morris, Somerset, Warren, and parts of Essex and Union counties from our Flemington base.
Are your plumbers certified?
Our team holds certifications in Energy Kinetics, Rinnai, Vanex Pex, and Veiga radiant hydronics systems.
Can you help with oil-to-gas heating conversions?
Yes, we specialize in complete oil-to-gas conversions including system replacement, tank removal coordination, and EPA-compliant transitions.
How do I schedule an appointment?
Call 908-638-8001 during business hours or request service through our website for emergency or routine plumbing needs.
Videos
Reviews (7)
Chris Gonzalez
Aug 15, 2021
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Positive:Professionalism,Quality,Responsiveness
I have used these guys twice. Theyre great. Very honest, knowledgeable, and up front about everything. They do honest work that they stand by and guarantee.
I have used these guys twice. Theyre great. Very honest, knowledgeable, and up front about everything. They do honest work that they stand by and guarantee.
Tatjana Zogovic-Kapsalis
Mar 22, 2021
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This company is amazing. Mark, Lisa and their team are honest, professional, knowledgeable and friendly. We had a system of filters built and well water tank replaced by them. Great service. Everything that they did to fine details and explanation that they provided was very exact and well organized. Water is amazing and we saw a huge difference. They are highly recommended and trusted. Thank you guys!
Paul Monroe
May 16, 2020
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Once again Mark and the team came through - water heater decided to dump its water in our basement but Patriot got the information they needed over the phone so when they arrived, they were able to replace the old unit with a new one and set it up so leaking with never happen again. Great job and so pleased they could get it done as quickly as possible as we had been drafted to entertain our 15 month old granddaughter for the day and needed hot water.
Stephanie Swites
Sep 27, 2019
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I had an emergency plumbing issue as a new customer. Lisa handled my call efficiently and politely, and Mark was thorough and timely in his work on my farm. I will be coming back as a regular client now thanks to their great customer service and good work! Thank you!
Angela P.
Sep 09, 2019
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I had a very pleasant experience with Patriot Plumbing from beginning to end. The woman that answered the phone was very helpful, thorough, and straightforward with pricing. We have an older home with OLD plumbing, so the owner made a pit stop to check everything out before the service call just to make sure that they would even be able to help us. Then the plumber came, within the allotted time, fixed the issue, cleaned up, and was on his way. Everyone we dealt with was knowledgeable, pleasant, and we will absolutely be calling on them in the future for any plumbing needs.
Holly Westra
Jun 22, 2019
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Patriot has been providing us with plumbing service for several years. Whether we are calling them for maintenance or emergency service, they are courteous, honest and thorough. They leave the area clean, provide professional service, and I am very comfortable with them in my home. We highly recommend Patriot Plumbing!!
Joseph Arce
May 27, 2019
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Patriot Plumbing installed new gas lines in my home. As a former contractor there are things I look for and they hit them all. Great communication, punctuality. There quality of work was right on, they cleaned up after themselves as well as being mindful of the mess they made as they worked. Overall I would highly recommend them to anyone and will be utilizing their services in the future.
