Top-Rated Plumbers Near You in Ontario, CA

All Pro Plumbing, Heating, Air & Electrical
(*)(*)(*)(*)(*)4.8 (5763 Reviews)

All Pro Plumbers is a trusted provider of comprehensive plumbing solutions, committed to delivering reliable, efficient, and high-quality services for both residential and commercial clients. With years of industry experience and a team of licensed, professional plumbers, we pride ourselves on offering a full range of services to meet all your plumbing needs. Whether you need routine maintenance, emergency repairs, or a complete plumbing system installation, our skilled technicians are equipped with the lat

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Cruz Plumbing and Rooter Services

Cruz Plumbing and Rooter Services began our business with the main focus on Customer Service. It is our goal to treat every client as family. We will answer each question, giving you the confidence in our services, repairs and pricing. Our pride is to provide our customers with the information for them to be able to make informed, educated decisions when it comes to their plumbing service needs. Our team has been highly trained in all jobs, large or small, and is in contact with myself to ensure the job

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Empire Plumbing, Inc.

At Empire Plumbing, we pride ourselves on our professionalism, and our clear and concise communication. We specialize in all of your plumbing needs. Give us a call today for an estimate! ** Company will continue providing all services during the Coronavirus epidemic, while providing the necessary precautions.

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All Pro Plumbers

For fast, same day service for all your plumbing, heating & air conditioning needs in Southern California, you'll be delighted with the great service, up-front pricing and rapid response you receive from All Pro Plumbing, heating & air. Already trusted in tens of thousands of homes across California for over 20 years.

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Empire Plumbing Inc

Since 2015, Empire Plumbing Inc has served homeowners in and around Ontario, CA. If you’ve experienced issues with your water fixtures, low water pressure, slow drainage, or leaks, you need a trusted plumbing team to help you protect your home and get the situation corrected for a fair price. That’s where Empire Plumbing Inc comes in. From basic plumbing maintenance to remodeling and major repairs, leave the job to Empire Plumbing Inc. Our family owned business offers emergency plumbing repairs during o

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Penny Plumbing Heating & Air Conditioning

This has been our driving force from the very beginning. We formed Penny Plumbing Heating & Air Conditioning from modest beginnings and bold ideas. We knew it could be done better, and we knew that we could do it. We focused on ways to return customer appreciation, quality craftsmanship, and quantitative value. We’re plumbers, and we love our job. We love turning on the water in a new plumbing system for the first time. We love watching a backed up toilet drain down when we clear a sewer line. We love fixin

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Ontario Sewer and Drain Cleaning

Find Drain Cleaning Services in Ontario, CA to help you Clear and Fix a Clogged or Slow Drain.

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5 Star Plumbing Huntington Beach Ontario

Plumbing services are very delicate and thus only skilled technicians should be allowed to take care of it. 5 Star Best Plumbing Huntington Beach has just that for you. Our team is made up of well-trained and licensed technicians. They have years of experience and will make sure that your plumbing is back to normal before they live your home. SERVICES: Water Heater Repair, Water Heater Replacement, Sewer Repair, Sewer Replacement, Sewer Inspection & Camera Inspection, Emergency Plumbing, Gas Line Replacem

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Ontario, CA Plumbers 365

Ontario, CA Plumbers 365 - Home Page! Are you in need of a crucial plumbing service? Our professionals are here to give you assistance. Call (909) 303-6906 immediately to chat with a qualified plumber at your zone. All you got to do is to dial us and we will send one of our plumbers to your place as rapid as possible. Ontario, CA Plumbers 365 - Dial us now for a gratis estimate - (909) 303-6906 Our Team believe in top quality operation as well as client satisfaction. We operate twenty-four seven. Dia

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Ortega Plumbing Rooter Service

We are Ortega Plumbing Rooter Service located in Ontario, CA and we provide Residential Plumbing Services. Do not hesitate to call us now! Plumbing Service, Plumbing Company, Plumbing, Residential Plumbing, Residential Plumbing Service Muscoy CA Plumbing Repair, Leak Detection, Affordable Plumbing Service, Quality Plumbing Service, Reliable Plumbing

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About Plumbers in Ontario, CA

As a licensed plumber with years of experience serving Ontario homeowners and businesses, I’ve seen firsthand the unique challenges that come with plumbing in this region. Ontario’s freeze-prone winters can wreak havoc on water lines, especially in older homes with insufficient insulation or outdated materials like galvanized steel pipes. Many homes built before the 1970s in neighborhoods like Old East York or Hamilton often face recurring issues with rusted pipes, low water pressure, and hard water deposits, which can lead to clogged fixtures and decreased efficiency over time. Addressing these issues requires specialized knowledge of local infrastructure and materials that can withstand the demands of Ontario’s climate.

Permitting and compliance are also key considerations for any plumbing work in Ontario. The Ministry of Municipal Affairs and Housing oversees plumbing inspections and code enforcement, and projects like water heater replacements or sewer line upgrades must meet strict guidelines for safety and efficiency. For example, cross-connection regulations are stringently enforced to prevent contamination of potable water, and trenching permits are often required for sewer repairs or replacements. Costs can vary widely depending on the scope of work; drain clearing typically ranges from $150 to $500, while re-piping an older home can cost anywhere from $8,000 to $20,000 depending on the size and materials used.

Whether you’re dealing with frozen pipes, replacing clay sewer lines, or upgrading outdated fixtures, Ontario’s plumbing needs demand expertise and attention to detail. With aging infrastructure and a climate that tests even the most robust systems, working with a licensed professional who understands local codes and conditions is essential for maintaining reliable plumbing in your home or business.

Plumbing FAQs

The cost of plumbing services can vary depending on the type of job, the complexity, and your location. On average, here are some nationwide cost ranges for the most popular services:

  • Fixing a leaky faucet: $75–$200
  • Clogged drain cleaning: $100–$300
  • Water heater repair: $150–$600
  • Water heater installation: $800–$2,500
  • Toilet repair: $150–$400

For larger jobs, such as repiping a whole home, prices can reach $4,000–$15,000 or more. Keep in mind that labor costs and materials may vary by region. Always request an itemized estimate before agreeing to the work.

When hiring a plumber in Ontario, consider the following:

  1. Licensing and Insurance: Verify that the plumber is fully licensed and insured in Ontario. You can often check this with your state or local licensing board.
  2. Experience: Ask about their experience with similar jobs. A seasoned plumber is often more efficient and knowledgeable.
  3. References and Reviews: Look online for reviews or ask for references from past clients.
  4. Transparent Pricing: A reputable plumber in Ontario should provide a written estimate and explain any potential extra costs.
  5. Warranty: Confirm whether they offer a warranty on their work.

Taking these steps can help you find a reliable professional who fits your budget and needs.

The length of a plumbing job depends on the complexity of the issue. For instance:

  • Fixing a leaky faucet or clogged drain can typically be completed within 1–2 hours.
  • Water heater repairs might take 2–4 hours, while a full installation could take up to 6 hours.
  • Major plumbing jobs, such as repiping a house, could take several days to complete.

Your plumber should provide a detailed timeline before starting the project, so you know what to expect.

Low water pressure can be caused by several issues, including:

  • Clogged pipes or faucets: Mineral deposits can build up over time and restrict water flow.
  • Leaky pipes: Leaks may reduce the water pressure significantly.
  • Municipal water supply issues: Sometimes, the problem originates from the city’s water supply.
  • Faulty or outdated plumbing fixtures: Older plumbing systems may not deliver optimal water pressure.

A licensed plumber can diagnose the issue and recommend repairs, such as cleaning pipes, fixing leaks, or upgrading your fixtures.

Before hiring a plumber, confirm they hold the proper licenses and certifications required in your area. In many states, plumbers must have a state-issued license to legally perform work. Check with your local licensing board to determine the requirements in your area. You can often verify a plumber's license by using their official website or by calling directly. To learn more about licensing requirements, visit The National Association of State Contractors Licensing Agencies (NASCLA).

You should call an emergency plumber when:

  • You have a burst pipe: Immediate action is required to prevent water damage.
  • Sewage backup occurs: This is a health hazard that needs urgent attention.
  • No access to water: A total loss of water supply may indicate a serious problem.
  • Water heater failure: Especially during winter, losing hot water may require emergency repairs.
  • Persistent leaks: A leak that you can’t control could cause structural damage or mold.

Emergency plumbers are equipped to handle urgent situations 24/7, so don’t hesitate to act quickly.

The terms "estimate" and "quote" are often used interchangeably, but they have distinct meanings:

  • Estimate: This is an approximate calculation of your project’s cost based on its details, such as labor and materials. The final bill may vary based on unforeseen factors.
  • Quote: A quote is a fixed price that a plumber commits to, as long as no additional work outside the agreed scope is required.

Ask your plumber whether they are providing an estimate or a quote, and ensure you understand what’s included in the pricing.

Yes, plumbers in Ontario often play a crucial role in home remodeling projects, especially for kitchens and bathrooms. They can assist with:

  • Installing new pipes and fixtures: This includes sinks, showers, tubs, dishwashers, and more.
  • Upgrading old plumbing systems: Ensure your system can handle modern appliances without issues.
  • Ensuring code compliance: A licensed plumber will make sure all new installations meet local building codes.

If you’re planning a remodel, consult with a plumber early in the process to avoid unexpected delays or complications.

Be cautious if you encounter any of the following red flags when hiring a plumber:

  • Lack of licensing: A professional plumber should have a valid license.
  • No written estimate: Verbal agreements make it harder to resolve discrepancies later.
  • Unusually low prices: This could indicate subpar materials or inexperienced workmanship.
  • Poor communication: Difficulty getting answers or callbacks is a bad sign.
  • No warranty or guarantee: Reputable plumbers stand behind their work.

Doing your due diligence can save you time, money, and frustration.

You can minimize the risk of plumbing problems with some basic maintenance tips:

  • Avoid pouring grease down the drain: It can solidify and cause clogs.
  • Install drain screens: These can prevent hair and debris from clogging your pipes.
  • Regularly check for leaks: Inspect visible pipes under sinks and behind appliances.
  • Schedule annual inspections: A professional can catch small issues before they become major problems.
  • Insulate pipes in cold weather: This helps avoid freezing and bursting pipes.

Following these steps can extend the life of your plumbing system and save you costly repairs.

Reviews for Plumbers

Fast Fix, Big Savings
Our water heater sprung a leak late at night, and I thought we'd be stuck all weekend. Within an hour of posting, a plumber from Seattle reached out, gave a fair quote, and fixed it the next morning. Saved us from costly water damage and the stress of cold showers!
Mark H.
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Life-Saver for the Holidays
Right before hosting Thanksgiving in Atlanta, our kitchen sink clogged beyond repair. The plumber arrived the same day, worked quickly, and even offered tips to prevent future issues. We had peace of mind and a working sink in time to cook dinner for 15 guests!
Amanda B.
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No Hidden Costs, Just Great Service
I was nervous about surprise fees for our basement drain repair, but this pro was transparent and professional from start to finish. The project was completed ahead of schedule, and the upfront pricing saved me hundreds of dollars. Highly recommend!
Jessica R.
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Maria VierraEditor

Maria Vierra is the lead designer at Vierra Fine Homes, bringing over two decades of experience in high-end residential design and construction. Her expertise and attention to detail ensure every project meets the highest standards of excellence, blending functionality with aesthetic appeal.

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Brett TaylorAuthor

Brett Taylor is the co-founder of The Builder Market and a visionary entrepreneur in the home services and construction industries. With a passion for innovation, Brett has played a pivotal role in revolutionizing how professionals and homeowners connect and collaborate.

This page was last updated on Nov 28, 2025, 10:45:55 AM