Call Lister Plumbing now to schedule your rough-in plumbing job in Ottawa. No upfront deposit required. Free quotes for larger projects.
Lister Plumbing provides expert rough-in plumbing services in Ottawa for new construction and renovation projects. Our Red Seal–trained team combines 14 years of hands-on experience and precise rough-in installations to set your plumbing system up right from the start. Whether it’s new construction plumbing or a bathroom rough for an unfinished basement, we ensure accurate placement for all plumbing pipes and fixtures to meet building codes.









Quick call or video pre-diagnosis to review your project and plumbing needs.
On-site assessment to determine drain lines, water lines, and rough placement.
Clear, transparent quote with scope and timeline (free for larger jobs).
Precise plumbing rough placement, pipe installation, and under-slab work to building codes.
Work with other contractors (framers, electricians, HVAC) to ensure accurate fixture locations.
Install fixtures, test drain pipes and water lines, verify code compliance.
On-site assessment to determine drain lines, water lines, and rough placement.
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.

for houses and multi-unit buildings

toilets, showers, tubs, sinks, and faucets

and drain lines installation

water lines, and drain pipe installation

and new bathrooms

and accurate placement of fixtures
What is a rough-in and why is it important?
A rough-in is the initial plumbing installation of pipes, drain lines, and water lines before walls and floors are finished. Proper rough-in plumbing ensures fixtures end up in the right place, meet building codes, and prevent costly changes later.
Do you handle new construction plumbing rough-ins in Ottawa?
Yes. We specialize in new construction plumbing rough-ins for homes and multi-unit projects across Ottawa, including coordination with other contractors and code-compliant installations.
Can you rough in a new bathroom in an unfinished basement?
Absolutely. We install under-slab plumbing, drain pipes, and water lines for unfinished basements and new bathroom roughs, ensuring accurate placement for tubs, sinks, and toilets.
How do you ensure code compliance during rough-in installations?
Our Red Seal–trained team follows local building codes and inspects drain slopes, venting, and pipe materials. We document work and prepare for municipal inspections when required.
Will you coordinate with my contractor or builder?
Yes. We routinely work with framers, electricians, and other contractors to align plumbing rough placement and avoid rework. Clear communication keeps the project efficient.
Do you offer free quotes for rough-in plumbing jobs?
We provide free quotes for larger jobs and transparent estimates for smaller projects. We can also offer a $20 booking incentive for qualifying projects.
What materials do you use for plumbing pipes and drains?
We use durable, code-approved materials for drain pipes and water lines selected for the job—PVC, ABS, PEX, or copper—based on new construction or renovation requirements.
Can you handle multi-unit or triplex rough-ins?
Yes. We have experience with multi-unit plumbing and triplex projects, including main line coordination and multi-unit plumbing installations.
How long does a typical rough-in job take?
Timelines vary by project size. A single-bathroom rough-in can take a day or two; whole-house rough-ins take longer. We provide schedule estimates with every quote.
What if you discover issues with the main sewer during installation?
We perform main line camera inspections when needed and will explain options if hidden issues arise. Our team provides clear recommendations and fair pricing for repairs or replacements.
Do you require a deposit before starting work?
No upfront deposits are required for most jobs. We prefer simple payment options like e-transfer and collect payment after work is completed as agreed.
Are your plumbers licensed and experienced?
Yes. Lister Plumbing is Red Seal–trained with 14 years of hands-on experience and over 8,000 jobs completed. We prioritize skilled plumbers and owner involvement on-site.
Can you rough in for renovations as well as new construction?
We handle both renovation and new construction rough-in plumbing. Whether it’s relocating fixtures or installing new plumbing for a renovation project, we ensure accurate placement and efficient installation.
What should I prepare before the rough-in stage?
Provide plans showing fixture locations and coordinate with other contractors. Clear access to the area and finalized layout decisions reduce delays and change orders.
How do you handle unexpected plumbing emergencies during a job?
We respond quickly to plumbing emergencies and can pause a project to address leaks or pipe failures. Communication and efficient repairs keep the project on track.