Triplex plumbing requires a different approach than standard residential plumbing. A triplex has multiple units, more plumbing fixtures, greater water demand, and added code considerations that affect installation, repairs, maintenance, and renovation planning. Whether you are upgrading an older property, managing a triplex renovation, or dealing with ongoing plumbing problems, it is important to work with a team that understands multi-unit plumbing work.
Lister Plumbing provides triplex plumbing services in Ottawa for landlords, property owners, and customers who need dependable work completed to the highest standards. From drain repairs and bathroom plumbing to under-slab issues, plumbing upgrades, and full renovation support, we help ensure your property is safe, efficient, and built to meet code.








Contact us by phone or email to discuss your triplex plumbing needs. We can often start with a quick video review or schedule an on-site visit.
We inspect the building, plumbing systems, drains, bathroom connections, pipes, and any existing renovation or construction work that may affect the project.
We provide a clear quote based on the scope of work, the condition of the property, materials required, and any code or safety requirements.
Our team organizes the task, prepares materials, and coordinates access so the work can move forward with minimal disruption to tenants or occupants.
We complete the plumbing work, repairs, installation, or upgrades with a practical approach that focuses on efficiency, safety, and long-term performance.
Once the work is complete, we test the systems, check drains and fixtures, and ensure everything meets expectations and performs properly.
Real feedback from our valued customers based on their genuine experience with Lister Plumbing.
Posted on R.S SourovTrustindex verifies that the original source of the review is Google. Excellent service from start to finish. The team was professional, punctual, and clearly very experienced. They quickly identified the issue and fixed it properly. Highly recommended for any plumbing work.Posted on Josee FalardeauTrustindex verifies that the original source of the review is Google. I couldn’t be happier with the service! The plumber was professional, punctual, and extremely knowledgeable. He quickly identified the issue and fixed it efficiently, leaving everything spotless when he was done. It’s rare to find someone this reliable and courteous. I highly recommend this company for anyone looking for top-quality plumbing work!Posted on Michael BennettTrustindex verifies that the original source of the review is Google. Adam was great. Showed up when he said. Fixed my plumbing issue quickly. Reasonable pricing as well. Would recommend to anyone.Posted on Mike JalowTrustindex verifies that the original source of the review is Google. Quick and efficient. Quality work. Highly recommendPosted on Tomis MuskaTrustindex verifies that the original source of the review is Google. Good plumbing, fixed two different problems. Thanks Adam.Posted on Diego OrdonezTrustindex verifies that the original source of the review is Google. Great service. Very professional and fair pricesPosted on Richard BungayTrustindex verifies that the original source of the review is Google. Came out on short notice on a holiday and quickly fixed our problem at a reasonable price.








A triplex renovation often involves more than cosmetic updates like new flooring, new walls, or bathroom improvements. Plumbing systems behind the walls and beneath the flooring may also need attention, especially in older buildings. Renovation is often the right time to replace outdated pipes, improve drains, update bathroom plumbing, or bring the property up to code.
We work closely with owners and contractors to make sure plumbing upgrades are handled properly during renovation and construction. This helps reduce future problems, improve efficiency, and protect the long-term value of the property. Whether the project includes one bathroom or all three units, our team is ready to provide practical plumbing services that fit the building’s needs.
Triplex properties can create added plumbing demands because several residents may be using water, drains, and bathroom fixtures at the same time. This can increase wear on pipes, lead to drainage issues, and place more pressure on older systems.
Some common challenges include:
Recurring drain backups
Aging pipes hidden behind walls
Under-slab plumbing problems
Water heater sizing for multi-unit demand
Plumbing work needed during renovation
Meeting code and safety requirements
Coordinating repairs in occupied units
Our approach is to identify the root of the problem, recommend the right repairs or upgrades, and complete the work with as little disruption as possible.
Regular maintenance is one of the best ways to protect a triplex property and avoid expensive emergency repairs. Small leaks, slow drains, and minor plumbing problems can quickly become larger issues when multiple units are involved.
Routine plumbing maintenance may include checking drains, inspecting water heaters, identifying leaks, monitoring pressure, and reviewing older pipes before they fail. Timely repairs can save money, improve safety, and help ensure the building continues to serve residents properly.
Every triplex plumbing project should be completed with safety and code compliance in mind. This is especially important when plumbing work is tied to a renovation, addition, or major building upgrade. We complete work carefully, use dependable materials, and make sure the finished result is functional and built to last.
At Lister Plumbing, we treat every property with respect and every customer with professionalism. Our commitment is to provide plumbing services that meet expectations, support the needs of the building, and help owners move forward with confidence.
Do you handle full triplex plumbing renovations in Ottawa?
Yes. We manage plumbing work for triplex renovation projects, including rough-ins, pipe replacement, bathroom installation, and plumbing upgrades while making sure the work meets code.
Can you inspect main sewer lines for a triplex property?
Yes. We provide main line and sewer camera inspections to identify blockages, hidden damage, root intrusion, and other drainage problems affecting the property.
What plumbing maintenance does a triplex need?
Routine maintenance may include drain cleaning, leak repairs, checking water heaters, monitoring older pipes, and inspecting plumbing systems when backups or recurring issues appear.
Do you offer emergency repairs for triplex units?
Yes. We handle urgent plumbing repairs for triplex properties and can assess the issue quickly to help prevent added damage or disruption.
Can you replace pipes in an occupied triplex?
Yes. We can stage repairs and replacements in a way that helps reduce disruption to residents while still completing the work safely and efficiently.
Do you install electric tankless water heaters for triplex properties?
Yes. We install electric and electric tankless water heaters for multi-unit properties and can recommend the right setup based on demand, efficiency goals, and building layout.
How do you price triplex plumbing jobs?
We provide clear and transparent quotes based on the size of the project, the condition of the plumbing, required materials, and the complexity of the work.
Do you offer a warranty on your work?