The city of Oshawa is home to some of the best plumbers in Ontario, offering everything from plumbing repair or plumbing installation like water heaters, tankless heaters, garbage disposals, drain or sewer lines, water filtration, and more.
In this post, we’ll take you through some of the top-rated plumbers in Oshawa while highlighting their distinctive skills and services.
These experts have been listed based on criteria including business history, public reviews, location in Oshawa, the scope of plumbing services, cost of plumbing services, offers, customer engagement, and awards & recognition, among others.
Related: The 8 Best Plumbers in Etobicoke
Oshawa’s Top 9 Plumbers
Here’s the list of nine plumbers that are most trusted by the people of Oshawa, ON:
- Vaillancourt Plumbing & Drains – rated 4.9 out of 5
- Superior Plumbing & Heating of Oshawa – rated 4.6 out of 5
- Bill Clarke Plumbing & Heating – rated 4.1 out of 5
- Mr. Rooter Plumbing of Oshawa – rated 4.8 out of 5
- Call the Plumbing Doctor – rated 4.5 out of 5
- PR Plumbing – rated 4.7 out of 5
- Hayes Plumbing & Bathroom Renovations – rated 4.3 out of 5
- Sewer Squad Plumbing & Drain Services – rated 4.6 out of 5
- Caldwell Plumbing – rated 4.4 out of 5
1. Vaillancourt Plumbing & Drains
| Best Known For | Drain & Sewer Cleaning, Water Service Pipe Replacement, Bathroom Plumbing Renovations, Leaky Pipe Repair, Frozen Pipe Thawing & Repair, Toilet Installation & Repair, Backflow Prevention, Faucet Installation & Repair, Sump Pump Installations & Repairs, Plumbing Renovations, Hot Water Tank Installation & Repair, Backwater Valves, Well Pump Services, Clogged Drain |
| Website | https://www.vaillancourtplumbing.ca/ |
| Telephone | +12892756655 |
| info@vaillancourtplumbing.ca | |
| Address | 27 Warren Ave, Oshawa, ON L1J 4E9, Canada |
| Areas Served | Ajax, Oshawa, Whitby, Hampton, Bowmanville, Brooklin, Courtice, Mitchell Corners |
Highlights
- Durham Region’s oldest plumbing company
- Family owned and operated since 1955
- Provide the best guarantee in the industry
Hours
- Monday
- 8:00 am – 4:30 pm
- Tuesday
- 8:00 am – 4:30 pm
- Wednesday
- 8:00 am – 4:30 pm
- Thursday
- 8:00 am – 4:30 pm
- Friday
- 8:00 am – 4:30 pm
- Saturday
- Closed
- Sunday
- Closed
Reviews
“Vaillancourt Plumbing is the best. They have completed two separate sink & vanity installations in our home. Trevor and Paul were terrific, working efficiently, and producing high-quality results. I feel so secure knowing that we now have shut-off valves under the sink and solid plumbing!
Their courteous personalities allowed for my many questions about the job and other future plumbing issues we have yet to tackle. I will be calling in the future to have our master bathroom done:)” – Sandra Langevin
2. Superior Plumbing & Heating of Oshawa
| Best Known For | Residential Plumbing, Heating & Hot Water, Leak Repair, Plumbing Installation and Replacement, Plumbing Maintenance, Plumbing Repairs, Sewer and Drain Service, Shower, Toilet |
| Website | https://superiorplumbing.ca/oshawa/ |
| Telephone | +16476961503 |
| info@superiorplumbing.ca | |
| Address | 600 Rossland Rd W, Oshawa, ON L1J 8M7, Canada |
| Areas Served | Glen Major, Ajax, Oshawa, Whitby, Pickering, Bowmanville, Newcastle, Courtice, Mitchell Corners |
Highlights
- A local Oshawa plumber with several years of industry expertise
- Carry all sets of tools to perform same-day repairs
- Has an online shop that features a wide range of Water Heaters and Boilers
Hours
- Monday
- 7:00 am – 9:00 pm
- Tuesday
- 7:00 am – 9:00 pm
- Wednesday
- 7:00 am – 9:00 pm
- Thursday
- 7:00 am – 9:00 pm
- Friday
- 7:00 am – 9:00 pm
- Saturday
- 7:00 am – 9:00 pm
- Sunday
- 7:00 am – 9:00 pm
Reviews
“Outstanding service that made my electric boiler operate as never before! I have seen many reviews about gas boilers, but nobody says about their extensive expertise in dealing with electric ones. My unit was disassembled, fixed and assembled in a matter of hours, as well as they gave me advice on how to maintain it properly. Undoubtedly, transparent communication is their main advantage.” – Thomas Cox
3. Bill Clarke Plumbing & Heating
| Best Known For | Plumbing, Hot Water Tanks, Heating, Air Conditioning, HVAC & Plumbing Maintenance |
| Website | https://clarkeplumbing.ca/ |
| Telephone | +19057258563 |
| info@clarkeplumbing.ca | |
| Address | 137 Bloor St E building a, Oshawa, ON L1H 3M3, Canada |
| Areas Served | Toronto, Regional Municipality of Durham |
Highlights
- Multi award-winning service provider in the area
- Can identify leaks and carry out the required repairs for any plumbing situations that arise around-the-clock
- Also install water softeners and reverse osmosis filters
Hours
- Monday
- 8:00 am – 4:30 pm
- Tuesday
- 8:00 am – 4:30 pm
- Wednesday
- 8:00 am – 4:30 pm
- Thursday
- 8:00 am – 4:30 pm
- Friday
- 8:00 am – 4:30 pm
- Saturday
- Closed
- Sunday
- Closed
Reviews
“I have used Clarke plumbing 3 times over the years for general repairs. Always fast, professional and excellent quality work. The price was always reasonable for the work performed. I also took my pool pump there for a rebuild 4 years ago and the price was reasonable, and the results were excellent. Best plumbing company in Oshawa in my opinion!” – Dan Robinson
4. Mr. Rooter Plumbing of Oshawa
| Best Known For | Plumbing, Water Heater, Garburators, Sewer and Drain Cleaning, Septic System, Well Pump, Water Filter and Softener, Remodeling Services |
| Website | https://www.mrrooter.ca/whitby-oshawa/ |
| Telephone | +19057252292 |
| info@mrrootergta.ca | |
| Address | Oshawa, ON L1G 2J2, Canada |
| Areas Served | Oshawa, Whitby |
Highlights
- One of the top-rated plumbers in Oshawa, Ontario
- Has 50+ years of industry experience
- Know all local codes and completely adhere to them
Hours
Monday, Open 24 hours
Tuesday, Open 24 hours
Wednesday, Open 24 hours
Thursday, Open 24 hours
Friday, Open 24 hours
Saturday, Open 24 hours
Sunday, Open 24 hours
Reviews
“My powder room had no water shut-off for a new sink that I wanted to install at a later date. The plumber was prompt, effective, tidy, and courteous. Before accepting money, he made sure I was completely satisfied by showing me the work he had done. Since my older house undergoes regular repairs, I have used Mr. Rooter at least five times, and they are the best! My previous experiences with other plumbers simply don’t compare.” – Lisa Taylor
5. Call the Plumbing Doctor
| Best Known For | Frozen, cracked or burst water lines, Clogged drains, Faucet and toilet leaks and repairs, Broken water lines or pipes, Septic and sewer backups, Well, sump, and sewage pump failures, Water main breaks, Hot water tanks |
| Website | https://www.calltheplumbingdoctor.com/ |
| Telephone | +18008147014 |
| office@calltheplumbingdoctor.com | |
| Address | 712 Wilson Rd S #16, Oshawa, ON L1H 8R3, Canada |
| Areas Served | Ajax, Oshawa, Whitby, Pickering, Clarington, Uxbridge, Bowmanville, Newcastle, Courtice |
Highlights
- A family-run, locally-owned plumbing business operating for 25+ years in the Oshawa area
- Guarantees all of their work and is dedicated to meeting client needs
- More than 80 per cent of their daily calls come from returning or referred customers
Hours
Monday, Open 24 hours
Tuesday, Open 24 hours
Wednesday, Open 24 hours
Thursday, Open 24 hours
Friday, Open 24 hours
Saturday, Open 24 hours
Sunday, Open 24 hours
Reviews
“Kelly, you are amazing! Thank you very much for the quick troubleshooting of the basement water faucet! You are a very honest businessman and I appreciate your support. I will be calling if any issue arises in future, and you have a trusted customer.” – Jason Mehta
6. PR Plumbing
| Best Known For | Water Piping Repair and Installation, Blocked Drains, Custom Home Builds, Water Heater Repair and Installation, Bathroom Renovation, Troubleshooting Leaks, Kitchen Renovation, Repair/Replace/Install Plumbing Fixtures |
| Website | https://prplumbing.ca/ |
| Telephone | +19054299622 |
| ryan.prplumbing@gmail.com | |
| Address | 177 Ice Palace Cres, Oshawa, ON L1L 0H2, Canada |
| Areas Served | Enfield, Haydon, Scugog, Kawartha Lakes, Solina, Shirley, Oshawa, Whitby, Regional Municipality of York, Regional Municipality of Durham, Northumberland County, Regional Municipality of Peel, Port Perry, Hampton, Bowmanville, Newcastle, Courtice, Mitchell Corners, Tyrone |
Highlights
- Red Seal certified plumbers on staff
- Only install quality products and are licensed and insured with WSIB
- Offer discounted contractor pricing for high-volume clients
Hours
- Monday
- 8:00 am – 5:00 pm
- Tuesday
- 8:00 am – 5:00 pm
- Wednesday
- 8:00 am – 5:00 pm
- Thursday
- 8:00 am – 5:00 pm
- Friday
- 8:00 am – 5:00 pm
- Saturday
- Closed
- Sunday
- Closed
Reviews
“When I checked Google, I was actually hunting for a plumber when I came across PR Plumbing. When I immediately called, Ryan responded. They were quite professional in their interactions with me. I mentioned that I needed a plumber as soon as possible and that my issue included the shower faucet.
He immediately scheduled my appointment for 6 am. He dispatched Tyler, our plumber, whom we strongly endorse. In addition to giving guidance, he went above and beyond to detail what he was going to do.” – C B
7. Hayes Plumbing & Bathroom Renovations
| Best Known For | General Plumbing, Bathroom Renovations, Appliance Installation, Leak Detection and Repair, Water Drain Line Repair, Emergency Plumbing, Commercial Backflow Testing & Installation, Water Filtration, Drain Cleaning & Rooter Service |
| Website | https://hayesplumbing.ca/ |
| Telephone | +19055763043 |
| info@hayesplumbing.ca | |
| Address | 448 Ritson Rd S, Oshawa, ON L1H 5J9, Canada |
Highlights
- Fast response to urgent plumbing situations
- Has a fleet of seven fully stocked service vans
- Expertly handle Dishwasher Installation, Refrigerator Installation, Food Waste Disposers Installation etc.
Hours
- Monday
- 9:30 am – 4:30 pm
- Tuesday
- 9:30 am – 4:30 pm
- Wednesday
- 9:30 am – 4:30 pm
- Thursday
- 9:30 am – 4:30 pm
- Friday
- 9:30 am – 4:30 pm
- Saturday
- Closed
- Sunday
- Closed
Reviews
“We noticed that our water supply pressure Regulating valve failed and leaked at 5 pm on a Monday. I called them, and they were there in less than 1 hour to see the problem. The next morning, they returned with a new valve and replaced the failed one. Thank you for your quick & reliable service.” – Aaron Grover
8. Sewer Squad Plumbing & Drain Services
| Best Known For | Plumbing, Emergency Services, Plumbing Issues, Diagnostic Services, Water Main Repair, Taps & Fixtures, Garbage Disposals, Clogged Toilet Repair, Frozen Pipe Repair, Sump Pumps, Water Softeners |
| Website | https://www.sewersquad.ca/oshawa/ |
| Telephone | +12892037018 |
| info@sewersquad.ca | |
| Address | 77 Westmoreland Ave, Oshawa, ON L1G 2N2 |
Highlights
- plumbers are licensed, background checked and drug tested
- Special discounts on Plumbing Service, Sump-Pump Replacement, Hydro-Jet Service, and Sewer Repair
- No extra cost for nights or weekend appointments
Hours
Monday, Open 24 hours
Tuesday, Open 24 hours
Wednesday, Open 24 hours
Thursday, Open 24 hours
Friday, Open 24 hours
Saturday, Open 24 hours
Sunday, Open 24 hours
Reviews
“Same-day service, very professional. Our technician was Millie. She was amazing and took the time to explain the process and pricing and took the time to answer our questions.” – Jennifer
9. Caldwell Plumbing
| Best Known For | Drain blockages, backups & drain snaking, Kitchen & bathroom renovations, Plumbing repairs & replacements, Leak detection & repairs Frozen pipes, burst pipes, Hot water tank service & replacement, Plumbing fixture installations & repairs, Window well drainage systems, Clogged toilets |
| Website | https://caldwellplumbing.ca/plumber-in-oshawa/ |
| Telephone | +12892407482 |
| caldwell.plumbing@gmail.com | |
| Address | 21 Simcoe St S Suite 106-B, Oshawa, ON L1H 4G1, Canada |
| Areas Served | Enfield, Burketon Station, Central Oshawa, Vanier, Donevan, Solina, Windfields, Samac, Eastdale, Oshawa, Hampton, Bowmanville, Courtice, Taunton, Mitchell Corners, Tyrone |
Highlights
- Family owned & operated plumbers in Durham region
- Specialize in all aspects of plumbing and other drain services
- Offer free plumbing estimates for all of their jobs
Hours
Monday, Open 24 hours
Tuesday, Open 24 hours
Wednesday, Open 24 hours
Thursday, Open 24 hours
Friday, Open 24 hours
Saturday, Open 24 hours
Sunday, Open 24 hours
Reviews
“This is my second experience using Caldwell Plumbing. Excellent every time! When describing what was wrong with me and how he planned to correct it, Justin was educated and detailed. I always turn to Caldwell Plumbing for all of my plumbing needs. The entire process was extremely reliable and professional.” – Penny
FAQ on Oshawa Plumber
Vaillancourt Plumbing & Drains, Superior Plumbing & Heating of Oshawa, Bill Clarke Plumbing & Heating, Mr. Rooter Plumbing, Call the Plumbing Doctor, PR Plumbing, Hayes Plumbing & Bathroom Renovations, Sewer Squad Plumbing & Drain Services, and Caldwell Plumbing are some of the best plumbers in Oshawa, Ontario.
The services like Emergency Plumbing Issues, Diagnostic Services, Bathroom Renovations, Appliance Installation, Water Main Repair, Taps & Fixtures, Garbage Disposals, Clogged Toilet Repair, Frozen Pipe Repair, Sump Pumps, and Water Softeners are generally offered by Oshawa plumbers near me.
Rainwater harvesting systems in Oshawa for indoor use may be subject to local regulations in Ontario. Consult your local municipality and plumbing professional for guidance.
Compared to conventional tank-style heaters, tankless water heaters are more energy-efficient, offer hot water on demand, and take up less space.
Licensed plumbers in Ontario are trained professionals who install, repair, and maintain plumbing systems to ensure safety and compliance with local codes.
You can reduce water consumption by fixing leaks, installing water-saving fixtures, and adopting water-efficient practices.
Our Final Thoughts
And that brings us to the end of our list of Oshawa’s top plumbing companies!
Feel free to call any of these recommended businesses anytime the faucets leak or the drain is clogged.
Do you believe we missed any reputable plumbers in Oshawa, Ontario? If you have a company you’d like to recommend, drop us a line and we’ll take a look!
Read more:
