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Plumbing Now
- Future
- Technician
- Sunday
“Nothing is straightforward when floors are uneven and pipes are old, but the work was done perfectly by Larry - a friendly and very knowledgeable guy who enjoyed the challenge.”
Best Plumbers in Ottawa, ON
24 contractors listed · 23 in Ottawa · 11 open 24/7 · 16 open weekends · all 24 rated 4.5+
Data verified October 18, 2026
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The Irish Plumber
- Costs
- Drain
- Tub
“Having had Michael (the original Irish Plumber) work on our house in the past, we can confirm that these high standards are consistent throughout the company.”
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Pentech Plumbing & Rooter LTD
- Technician
- Quality
- Business
“After completing the replacement, he gave us great advice on preventative maintenance and other factors that might be contributing to water infiltration.”
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Braden Foundation Construction
- Quotes
- Work
- Projects
“Braden consulted the engineer, we agreed on a revised plan (and cost) and they painstakingly underpinned the garage right to bedrock (in one corner 5-6' below grade).”
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Anchor Home Comfort
- 2024
- Inspection
- Lennox
“Paul Schultz came to carry out the maintenance on our furnace and also fixed our humidifier and installed our smart thermostat which the former people were unable to do.”
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Francis Home Environment
- Lennox
- Fireplace
- Checkup
“We were expecting a rep from Francis Home Environment to come do the annual maintenance on our air conditioner thanks to a courtesy text yesterday and a call today.”
Listed for homeowners in and around Ottawa, ON, these 24 companies cover plumbing work. Hours, licence claims and free estimate offers come from each company's own website. Ask about provincial workers compensation coverage too, since the work happens inside your home.
Area overview: Ottawa, ON
23 of the 24 contractors we list are based in Ottawa; the other one does not publish an address. The contractors on this page are rated from 4.5 to 5.0 across 10,049 reviews; 9 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), quality (81%) and responsiveness (78%). The topics that come up most in reviews of the contractors on this page are "price" and "efficient". 11 are open around the clock; 15 are open on Saturdays and 12 on Sundays. 8 show a licence on their websites. 7 have ten or more years of experience, the longest 15 years. 11 offer emergency call-outs; 3 offer financing or payment plans; 13 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the contractors on this page; 21 publish a contact page; 19 list a public email and 3 take bookings online. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Which plumbers listed for Ottawa take calls at night?
Cover at any hour is claimed by 11 of the 24 plumbing listings here. Before paying a night rate, shut the main off and see whether the trouble stops. If it does, book for normal hours and get the same repair for less. Confirm the after-hours rate on the phone.
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Offset Plumbing
- Shower
- Efficient
- Home
“Mickey and Patrick tried hard for me and as my situation seemed non-standard after a few hours and no success they decided to increase the overall temperature of my interior and kept calling me to check in between other jobs.”
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John the Plumber
- Apprentice
- Work
- Condo
“Plumber was able to do the work needed immediately: parts were replaced and added to, and the assembly brought up to current code, in order to avoid future leaks (which would have happened).”
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Ready Home Maintenance
- Kitchen
- Price
- Projects
“From my first interaction with Johnny, I felt immediately comfortable with him and appreciated the way he took the time to explain the requirements of the job and make his recommendations.”
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KG Plumbing Ottawa
- Knowledge
- Sink
- Basement
“He came quickly and found that a 2”drain pipe was blocked with years of corrosion and there was a problem with the main drain under the basement floor.”
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Comfortway Plumbing
- Bathroom
- BBQ
- Leak
“I was so happy with his service that I reached out again several weeks later when I needed to instal a bigger furnace filter and whole house humidifier.”
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Penta Plumbing Ltd.
- Call
- Quality
- Punctual
“Andrew Penta stepped up to the challenge and did a lot of research and found the special rare part that would fix our Fiat shower issue including the complicated installation instructions.”
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Tourangeau Mechanical
“Like many small commercial/retail businesses, we needed to find and build a few key long-term commercial relationships with a variety of talented Contractors for various servicing needs as encountered by running any business today.”
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Pennex Backflow Prevention & Plumbing
- Price
“I couldn't get a leak to stop for the life of me (and I'm fairly decent at handywork) and with a young family, having the water shut off for too long was not an option.”
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PSL Mechanical Heating and Air Conditioning INC
- Job
“They put all the runners down, took their boots off when entering the house, communicated exactly what they were doing throughout the process, and cleaned everything up when finished.”
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Drain-Away Inc
- Price
- Efficient
- Toilet
“I also requested them a few weeks ago and they did an amazing job”
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Pipes Plumbing
- Basement
- Efficient
- Price
“We called them after discovering a leak in the main water line coming into the basement and then learning we had a faulty main shut off valve (very stressful).”
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Positive Plumbing & Mechanical Inc.
- DIY
- Toilets
- Team
“I love that there was an immediate acceptance that the toilet was not as it should be, and that it should be replaced, and then there was no procrastination in getting the work done.”
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CP & Son General Contractors
- Price
- Professional
- Service
“They did the work quickly and efficiently, sent me pictures of the progress as I had requested, and charged me exactly the price they had quoted with no surprises.”
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Ottawa Drain Cleaning
- Price
“Quick response and professional work ,”
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Diamond Plumbing
- Taps
“He checked all the plumbing, fixed everything that could be a problem and fixed things that was a problem (ie hot and cold taps that were installed backwards).”
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808 Foundation Repair & Waterproofing Specialists
- Questions
- Project
- Jobs
“We were able to identify the real issues with the cracks that were appearing and Mike gave us an honest quote with an explanation for his fees as well as a break down of the amount that was being used towards the process.”
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Canada Plumbing Inc
“Great service!”
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H.i.m Construction Inc.
- Communication
- Fence
- Team
“In a world where you can post whatever you want on the internet, I'm not surprised to read this obscenities, but I would take them with a grain of salt.”
Plumbing Services in Ottawa, ON Cost Estimates
Minimum cost
$137
Maximum cost
$1177
National Average
$440
Avg Per Hour Rates
$177
$247
$644
Typical price range is based on 318 cost profiles
Why these companies made our list
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