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Find plumbers in Oshawa, Ontario

Need to find plumbers in Oshawa, Ontario? HomeStars has several Oshawa plumbers who are ready and eager to help! Post your project for free, and available plumbers in our Oshawa directory can register their interest. With HomeStars, it’s easy to then read reviews, receive and compare multiple quotes, and decide who to hire, all in one convenient place!

Some of our top rated plumbers in Oshawa

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    • Best of the Best 2025
    • Best of Awards 2026

    For fast and quality furnace and Air Conditioning repair services in GTA - call Climax Air Conditioning Inc. at 1 (866) 625-4629! Products: furnace, air conditioner, air condition, air conditioning repair, boiler, tankless water heater, ductless air conditioner, fireplace repair, fireplace Service, furnace repair, boiler, air conditioner repair, furnace, tankless repair, air conditioner repair, a/c repair, boiler repair, hot water tank, tankless water heater, ductless air conditioner, water heater repair, thermostats, water heater repair, fix furnace, furnace repair, condominium air conditioner repair, condo air conditioner repair, building air conditioner repair, condominium furnace repair, condo furnace repair, condominium furnace maintenance, condo furnace maintenance, condo thermostat, water heater repair, hot water tank, john wood water heater, john wood, ao smith, envirosense, ecobee, giant, giant water heater, air handler repair, air handler, temp mizer, flowmax, The whalen, The whalen heat pump, The Whalen Company, fan coil repair, condo air conditioner repair, condo fan coil repair Services: We do service all models and brands! furnace, air conditioners, water heater, tankless water heater repair, air conditioner repair, air conditioning repair, furnace repair, navien repair, navien water heater repair, water heater repair, red tag, redtag, water heater descaling, descale water heater, water heater de-scaling, de-scale, warning tag, tankless, water heater, fireplace repair, fireplace, heatpump, heat pump, boiler, co test, furnace maintenance, water heater repair Brands: goodman, KEEPRITE, NAVIEN, RINAE, COOLMAN, lennox, armstrong, Amana, American Standard, Rinnai, Napoleon, Noritz, White Rodgers, Honeywell, Gsw, Rheem, Bradford White, Takagi, Baxi, Luna, tankless water heater repair, rheem, carrier, trane, keeprite, mixing valve, low hot water pressure, envirosense water heater, envirosense, furnace repair toronto, furnace repair north york, water heater repair toronto, water heater repair, giant,

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  • Having 30+ years in the home building/renovation field I consider myself to to be able to cater myself to any client. With numerous reno contracts and over 900 new home builds For builders such as Tribute Communities, Mattamy Homes, Medallion Developments and John Boddy Homes there is little I have not seen nor taken on. As an employer over the years I have amassed numerous contacts that help any contract look easy. Next to a satisfied client, being productive and being results oriented are my top priorities. Let's Sit and talk about what your vision is and we can make it happen.

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  • Browning Renovations is a full home renovation company. We have proudly served the Durham Region for over 15 years, building a strong reputation through quality craftsmanship, honest communication, and word-of-mouth referrals. Our success is rooted in the satisfaction of our clients and our commitment to delivering reliable, high-quality renovation solutions tailored to each project. From initial consultation to final completion, we take pride in providing a professional, stress-free experience. We’re always happy to meet with you, discuss your ideas, and provide a free, no-obligation estimate for your next renovation project.

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  • I’m a licensed plumber with over 35 years of hands-on experience. Whether you're dealing with a leaky faucet, a bathroom renovation, or a full plumbing installation, I’m here to provide reliable, efficient, and high-quality service. No job is too big or too small—I take pride in doing the job right the first time. I look forward to helping you with all your plumbing needs!

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  • Hi my is Malcolm and I'm a Plumber with experience in both Residential, High Rise and Commercial Plumbing. I do a lot of finishing installing faucets, shower heads, shower trims, toilets and P-traps. Occasionally I do rough ins for Laundry, laundry boxes, Uponor stub outs for supply lines, pinning flanges and chipping. XFR pipe for both Kitchen and Bathroom drains, Cast Iron stacks for venting, and Schedule 40 Steel pipe for gas risers. I'm very passionate about my Career and love what I do. I tend to problem solve and eliminate problems before the arise. Believing in doing things right the first time to save time and money.

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  • Hi there! I’m Jason from CSJ Plumbing. We are licensed and fully insured plumbers. We proudly provide professional plumbing services to homeowners, businesses, and property managers throughout the GTA, including Stouffville, Markham, Richmond Hill, Scarborough, Aurora, Newmarket, Uxbridge, Pickering, Ajax and more. I'm also an OWWA-certified backflow specialist, ensuring your plumbing systems are safe, efficient, and compliant with local regulations. Whether it's residential repairs, commercial projects, or high-rise plumbing, you can count on quality workmanship and attention to detail. We prioritize promptness, clear communication, and cleanliness, ensuring minimal disruption to your routine. Beyond fixing plumbing issues, we also educate clients about their systems, ensuring you're informed every step of the way. Choosing CSJ Plumbing means reliability, experience, and genuine care. We’re committed to your satisfaction and peace of mind, and stand by our work long after completion. If you’re looking for dependable plumbing work, we’re here to help. Contact us today, We look forward to working with you!

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  • CMM Renovation is a home improvement company that specializes in custom work and finishes. We specialize in kitchens, bathrooms, finished basements, and anything else you can think of! We are happy to discuss your next home improvement project with you. Kindly give us a call or text Jerry (Project Manager) at 647-936-3310

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  • We are a small Plumbing and Heating Company in Business for over 20 years.With over 45 years experience as a Master Plumber i have acquired the Skills over these years to become very good at what i do.Emphasis is placed on completing jobs in a timely manner and also i take great pride in high quality workmanship in each job that is completed. Customer satisfaction is prioritized and all jobs big or small are completed to exceed industry acceptable standards. We install new Plumbing Fixtures,Pex/Copper, ABS Piping, and also do repairs to all Plumbing fixtures,Piping, Drain snaking, unblocking and underground repairs. We install Backwater Valves, Sump Pump Systems, Appliances, Fridge Ice Maker hookup, Washers/Dryers,Water Purifiers etc.All Natural Gas and Propane work done.

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  • I have been in contracting for as long as I remember. Over the years we have built beautiful custom homes, large scale home renovations, bathrooms, kitchens, additions, decks and additions. For the past few years I have been away from the contracting industruty full time but have still been coordinating my trades along many projects. I have missed being on the tools over the years and have decided to get back to my passion.

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  • My company, 2THOUSAND1 Design Studio, started as an e-commerce website selling safety glasses on Shopify while I was apprenticing as a finish carpenter. It has since evolved into a small-scale sole proprietorship, offering my creative input as a service for small construction projects. I leverage my growing network of builders, homeowners, and now hopefully HomeStars, to generate leads that I can execute when work slows down for my main source of income as a carpenter in the IATSE 873 Union.

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    • Best of the Best 2024
    • Best of Awards 2026

    Quality Potlight is a family owned and operated business that specializes in top quality CANADIAN APPROVED pot lights. Since our inception in 2009, Quality Pot lights has serviced well over 35,000 homes, offices and condos throughout Greater Toronto Area including: Downtown Toronto, Forest Hill, Rosedale, Yorkville, Royal York, Scarborough, East York, North York, Etobicoke, Mississauga, Oakville, Burlington, Vaughan, Brampton, Thornhill, Markham, Richmond Hill, Aurora, Stouffville, Pickering, Ajax & Newmarket. Our consistent level of high-quality work and dedication to ensuring that the needs of every client are met have allowed us to quickly grow into a leader in quality potlight installation. We understand that your home is the largest investment you will ever make and are willing to go above and beyond perfection to ensure that you are satisfied. ESA#: 7010623 Been in business since 2009, Quality Potlight has the expertise and skills to accomplish a wide range of projects in your home. Our trained staff are exceptionally pleasant to deal with and are diligent in ensuring that that there is absolutely no mess or damage from our installation. At Quality Potlight we believe that the best way to build relationships is through integrity, performance, value, and client satisfaction. We strive to be a prominent provider of superior electrical services by constantly keeping our inventory updated with the latest innovative products as well as constantly focusing on improving the speed and service of our staff. All electrical works are done by our ESA certified and insured contractors who specialize in Pot light installation. Toronto GTA, Brampton, Mississauga, Oakville, Milton, Richmond Hill, North York, Ajax, Peel Region, Markham, Newmarket, King City, Vaughan, Scarborough, Woodbridge, Pickering, Thornhill, Barrie, Innisfil, Burlington.

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  • A very dedicated hardworking individual looking to do renovation and handyman work.

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  • Innovative company that is always work hard to inspire

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  • Easy Floors Depot is a 5 Star all in one Flooring service provider, delivers quality flooring, expert installation, and honest pricing. From consultation to completion, we focus on craftsmanship, reliability, and customer satisfaction—so you can enjoy beautiful floors without the stress.

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  • I am a reliable and detail-oriented home renovation professional with over 5 years of hands-on experience in residential projects. I specialize in kitchen cabinet installation, drywall preparation and finishing, and flooring installation (vinyl, laminate, and more). I take pride in delivering clean, precise, and high-quality work. I come fully equipped with my own professional tools and have reliable transportation, allowing me to work efficiently across the GTA and Durham Region. My goal is to provide honest service, fair pricing, and results that meet or exceed customer expectations. I pay close attention to detail, ensure proper leveling and alignment, and always leave the workspace clean and organized. Whether you need a small repair, a full room upgrade, or help finishing a renovation project, I am ready to help bring your vision to life. Customer satisfaction is my priority, and I am committed to building long-term relationships based on trust and quality workmanship. Free estimates available. Fast response time.

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  • OSR GTA General Contractor is a trusted construction and renovation company serving homeowners and businesses throughout the Greater Toronto Area. With a strong commitment to quality craftsmanship, safety, and client satisfaction, OSR GTA specializes in residential and commercial projects ranging from full home renovations to custom builds and interior upgrades. Backed by experienced professionals and a detail-oriented approach, the company delivers reliable project management, transparent communication, and results that meet the highest industry standards.

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4.9

Top rated plumbers

Our plumbers in Oshawa, are rated 4.9 out of 5 based on 465 reviews from homeowners like you.

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What types of services are offered by local plumbing companies in Oshawa?

Plumbers in Oshawa offer a range of services tailored to the city’s mix of older neighbourhoods and newer developments. Local demand is also influenced by seasonal weather and proximity to Lake Ontario, which can impact drainage and moisture levels.

Here are some of the most common plumbing services in Oshawa:

  • Drain cleaning and sewer line repair: Unclogging sinks, toilets, and main sewer lines to restore proper flow, often using snaking or camera inspections.
  • Leak detection and pipe repairs: Frequently needed in older homes where pipes may corrode or shift over time.
  • Toilet, faucet, and fixture repairs and installations: Ongoing demand from both renovations and newer suburban homes.
  • Water heater repair and replacement: Regular maintenance and replacement driven by year-round usage and system aging.

It’s easy to get your plumbing needs sorted on HomeStars. Just post your project, and available pros will register their interest. If you prefer, you can visit our directory of plumbing pros to browse through options and connect directly.

What makes hiring plumbers in Oshawa, Ontario unique?

Oshawa’s plumbing work is shaped by local housing conditions, lakeside proximity, and infrastructure considerations that influence how systems are installed and maintained.

  • Older neighbourhood infrastructure: Many Oshawa homes have aging pipes that may require partial replacements or upgrades to maintain reliability. This often involves working with older layouts and materials not found in newer builds.
  • Proximity to Lake Ontario: Homes near Lake Ontario may experience higher moisture levels or groundwater pressure. This can increase demand for sump pumps and drainage solutions to protect basements.
  • Mix of suburban growth and legacy homes: Oshawa combines newer developments with established areas, requiring plumbers to handle both modern systems and older configurations. This range calls for flexibility in installation and repair approaches.
  • Municipal permits and regulations: Certain plumbing work in Oshawa requires permits and inspections, especially for major installations or sewer connections. Local plumbers can help ensure compliance with city requirements and avoid delays.

Find plumbing companies in Oshawa, Ontario on HomeStars

Finding plumbers in Oshawa can be challenging. Many Oshawa homes near Lake Ontario or in low-lying areas are prone to basement flooding and require specialized drainage or pump solutions, so picking the right plumber is important.

That’s where HomeStars comes in: we’ve streamlined the process so that you can easily connect with available plumbers in Oshawa who can understand your specific needs quickly.

You can get started with just a few simple steps:

  1. Start by posting your project on HomeStars. Provide a clear description of your plumbing needs and, if possible, include photos to get precise quotes.
  2. Receive interest from available pros, review work history, and read customer feedback for plumbers in Oshawa.
  3. Connect with plumbers in Oshawa to discuss your project, request and compare quotes, and ask any questions.
  4. Hire the right pro to get the job done and leave a review based on your experience. Our review system ensures that pros are rewarded for good work and held accountable for any problems.

When joining HomeStars, pros undergo checks at registration - such as ID documents, company details, certifications for regulated jobs and skill assessments - allowing you to hire with confidence.

Extra peace of mind with the HomeStars Confidence Program

The HomeStars Confidence Program is designed to give you added confidence when hiring through our platform. If your job qualifies under the Program and we determine that a claim meets the Program requirements, HomeStars may cover what you owe the Pro on an eligible job with a quote of up to CAD $10,000, in line with our terms and conditions.

What are the average costs of plumbing services in Oshawa?

The costs of plumbing services in Oshawa depend on the type of job, urgency, and materials required. Hourly rates for Oshawa plumbers usually fall between $80 and $170, and simple jobs are sometimes offered at flat fees. Emergency or after‑hours calls can increase the total significantly.

Here are some typical costs for common plumbing services in Oshawa:

  • Drain cleaning and sewer line repair: $130 to $260 depending on blockage severity and method used.
  • Leak detection and pipe repairs: $100 to $200 per hour for typical fixes in residential homes.
  • Fixture installation and repairs: $120 to $300 depending on parts and accessibility.
  • Water heater services: $150 to $400 for repairs, $1,000 to $4,000+ for full replacements depending on unit type.

For more detailed information on costs to expect, our guide to plumbing costs in Oshawa should help. If your plumbing needs are part of a larger renovation project, our guides to bathroom renovation costs or kitchen renovation costs in Oshawa might be what you’re looking for.

HomeStars Tip: We suggest that you clarify with your Oshawa plumber what’s included in their estimate, and that you request everything be detailed in a written quote. This supports transparency and avoids misunderstandings.

What to ask Oshawa plumbers before hiring?

Before hiring a plumber in Oshawa, it helps to ask key questions to ensure the work is safe, compliant, and suited to your home’s needs. Here are some questions you can ask:

Do you have experience with my type of plumbing system?

Homes in Oshawa often use a mix of plumbing materials reflecting their age and any renovations. Older properties may still have galvanized steel supply lines or cast iron drain pipes, which can corrode or develop leaks over time, while newer builds and updated homes generally use copper or PEX for water supply and ABS or PVC for drainage, offering improved durability and easier maintenance.

Are you licensed and do you have liability insurance?

Confirming insurance protects you in case of accidents or property damage, while proper licensing ensures the plumber is authorized to perform work under Ontario regulations and meets local standards.

Are you familiar with Oshawa’s plumbing codes and permits?

Plumbing work may require specific permits and inspections. Ensuring the plumber knows local regulations helps avoid fines or rework.

Do you handle emergency plumbing services?

Frozen or burst pipes are common in winter. Knowing a plumber can respond quickly prevents major water damage.

How do you handle plumbing systems in homes affected by seasonal flooding or high groundwater levels?

Oshawa’s proximity to Lake Ontario and low‑lying areas can cause basement water issues, so a plumber experienced with sump pumps, backwater valves, and proper drainage solutions can help prevent damage.

Can you advise on upgrades to improve water efficiency or reduce utility costs in Oshawa homes?

Local plumbers can recommend and install low‑flow fixtures, tankless water heaters, or other water‑saving systems that work effectively with Oshawa’s older and newer plumbing setups while complying with local building standards.

FAQ: Common questions about plumbing services in Oshawa

How do I verify an Oshawa plumber’s credentials?

Ensure the plumber carries proper licensing, liability insurance, and credentials to comply with Ontario regulations. This protects you and ensures work is performed to local standards. Professionals listed on HomeStars usually display their licensing and insurance details for transparency.

Are permits required for plumbing in Oshawa?

Some jobs, such as sewer line replacement or altering water supply lines, may require permits. Your chosen plumbing company in Oshawa can tell you which permits are needed and often handle the application process for you.

Can a plumber in Oshawa help with low hot water temperature or inconsistent heating?

Yes. Plumbers in Oshawa can identify problems with your water heater, mixing valves, or plumbing layout. They can also advise whether a repair or replacement is the best long-term solution.

Are sump pumps necessary in Oshawa homes?

Many homes in Oshawa, particularly those in low‑lying areas or near Lake Ontario, are prone to basement flooding during heavy rain or snowmelt. Installing a sump pump or backwater valve can help manage groundwater and protect your basement from water damage. You can use HomeStars to find local plumbers experienced in sump pump installation and maintenance.

Do plumbing contractors and companies in Oshawa guarantee their work?

Most plumbing contractors and companies in Oshawa provide warranties on labour and sometimes on materials, depending on the manufacturer. Review the warranty terms to understand what is covered and for how long. You can confirm these details when discussing your project with Oshawa plumbers on HomeStars.

What should I do if a pipe bursts in winter in Oshawa?

If a pipe bursts, immediately turn off the main water supply to prevent extensive water damage. Winter in Oshawa can lead to frozen or burst pipes, especially in older homes with uninsulated plumbing. Contact a local plumber quickly to repair the pipe and assess any related water damage before it worsens.

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