The 9 Best Plumbers in Oshawa, ON

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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:

  1. Vaillancourt Plumbing & Drains – rated 4.9 out of 5
  2. Superior Plumbing & Heating of Oshawa – rated 4.6 out of 5
  3. Bill Clarke Plumbing & Heating – rated 4.1 out of 5
  4. Mr. Rooter Plumbing of Oshawa – rated 4.8 out of 5
  5. Call the Plumbing Doctor – rated 4.5 out of 5
  6. PR Plumbing – rated 4.7 out of 5
  7. Hayes Plumbing & Bathroom Renovations – rated 4.3 out of 5
  8. Sewer Squad Plumbing & Drain Services – rated 4.6 out of 5
  9. Caldwell Plumbing – rated 4.4 out of 5

1. Vaillancourt Plumbing & Drains

Intro video by Vaillancourt Plumbing & Drains
Best Known ForDrain & 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
Websitehttps://www.vaillancourtplumbing.ca/
Telephone+12892756655
Emailinfo@vaillancourtplumbing.ca
Address27 Warren Ave, Oshawa, ON L1J 4E9, Canada
Areas ServedAjax, Oshawa, Whitby, Hampton, Bowmanville, Brooklin, Courtice, Mitchell Corners

Rating: 5 out of 5.

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

Oshawa's Superior Plumbing & Heating technician
Best Known ForResidential Plumbing, Heating & Hot Water, Leak Repair, Plumbing Installation and Replacement, Plumbing Maintenance, Plumbing Repairs, Sewer and Drain Service, Shower, Toilet
Websitehttps://superiorplumbing.ca/oshawa/
Telephone+16476961503
Emailinfo@superiorplumbing.ca
Address600 Rossland Rd W, Oshawa, ON L1J 8M7, Canada
Areas ServedGlen Major, Ajax, Oshawa, Whitby, Pickering, Bowmanville, Newcastle, Courtice, Mitchell Corners

Rating: 4.5 out of 5.

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 ForPlumbing, Hot Water Tanks, Heating, Air Conditioning, HVAC & Plumbing Maintenance
Websitehttps://clarkeplumbing.ca/
Telephone+19057258563
Emailinfo@clarkeplumbing.ca
Address137 Bloor St E building a, Oshawa, ON L1H 3M3, Canada
Areas ServedToronto, Regional Municipality of Durham

Rating: 4 out of 5.

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 ForPlumbing, Water Heater, Garburators, Sewer and Drain Cleaning, Septic System, Well Pump, Water Filter and Softener, Remodeling Services
Websitehttps://www.mrrooter.ca/whitby-oshawa/
Telephone+19057252292
Emailinfo@mrrootergta.ca
AddressOshawa, ON L1G 2J2, Canada
Areas ServedOshawa, Whitby

Rating: 5 out of 5.

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 ForFrozen, 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
Websitehttps://www.calltheplumbingdoctor.com/
Telephone+18008147014
Emailoffice@calltheplumbingdoctor.com
Address712 Wilson Rd S #16, Oshawa, ON L1H 8R3, Canada
Areas ServedAjax, Oshawa, Whitby, Pickering, Clarington, Uxbridge, Bowmanville, Newcastle, Courtice

Rating: 4.5 out of 5.

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 ForWater 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
Websitehttps://prplumbing.ca/
Telephone+19054299622
Emailryan.prplumbing@gmail.com
Address177 Ice Palace Cres, Oshawa, ON L1L 0H2, Canada
Areas ServedEnfield, 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

Rating: 5 out of 5.

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 ForGeneral 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
Websitehttps://hayesplumbing.ca/
Telephone+19055763043
Emailinfo@hayesplumbing.ca
Address448 Ritson Rd S, Oshawa, ON L1H 5J9, Canada

Rating: 4 out of 5.

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

Logo of Sewer Squad Plumbing & Drain Services
Best Known ForPlumbing, Emergency Services, Plumbing Issues, Diagnostic Services, Water Main Repair, Taps & Fixtures, Garbage Disposals, Clogged Toilet Repair, Frozen Pipe Repair, Sump Pumps, Water Softeners
Websitehttps://www.sewersquad.ca/oshawa/
Telephone+12892037018
Emailinfo@sewersquad.ca
Address77 Westmoreland Ave, Oshawa, ON L1G 2N2

Rating: 4.5 out of 5.

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 ForDrain 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
Websitehttps://caldwellplumbing.ca/plumber-in-oshawa/
Telephone+12892407482
Emailcaldwell.plumbing@gmail.com
Address21 Simcoe St S Suite 106-B, Oshawa, ON L1H 4G1, Canada
Areas ServedEnfield, Burketon Station, Central Oshawa, Vanier, Donevan, Solina, Windfields, Samac, Eastdale, Oshawa, Hampton, Bowmanville, Courtice, Taunton, Mitchell Corners, Tyrone

Rating: 4.5 out of 5.

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

What are some top-rated plumbers in Oshawa, ON?

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.

What services are offered by Oshawa plumbers near me?

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.

Can I install a rainwater harvesting system for indoor use in my Oshawa home?

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.

What are the advantages of using a tankless water heater in my home?

Compared to conventional tank-style heaters, tankless water heaters are more energy-efficient, offer hot water on demand, and take up less space.

What is the role of a licensed plumber in Ontario?

Licensed plumbers in Ontario are trained professionals who install, repair, and maintain plumbing systems to ensure safety and compliance with local codes.

What steps should I take to reduce water consumption and lower water bills in Oshawa?

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!

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