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Top Rated Plumber In Ontario CA

RT Olson Plumbing Company

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  • Family Owned & Operated
  • 500+ Five-Star Customer Reviews!
  • Call now at (951) 344-5596
RT Olson Plumbing in Corona CA - Team & Truck
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Your Reliable & Affordable Plumber in Ontario CA!

The RT Olson Plumbing Company Team

Our Ontario Plumbing Services:

Complete residential & commercial plumbing services including:

  • water heaters
  • tankless water heaters
  • drain, sewer, & rooter service
  • free leak detection
  • water damage restoration
  • toilet repair & replacement
  • faucet repair & installation
  • tub & shower replacement
  • garbage disposals
  • water softeners
  • whole-house water filtration
  • reverse osmosis systems
  • partial & whole house repipe
  • bath & kitchen remodeling

Over 500 Five-Star Customer Reviews!

Google Reviews for RT Olson Plumbing in Corona CA
RT Olson Plumbing Yelp Reviews Badge
Home Advisor reviews = 4.7 stars on 150+ reviews
when was your last plumbing inspection

Plumbing Inspections For Homes

We provide annual plumbing inspections to catch small problems before they become big ones that can cost you a fortune.

Plumbing inspections are especially important if you’re buying or selling a home.

Never buy a home without getting a full plumbing inspection and sewer camera inspection.

You could be avoiding hidden damages that could cost you tens of thousands of dollars that’s usually not covered by insurance.

Get the full details on our Plumbing Inspection Services page.

water leak detection in bathroom wiht thermal camera

FREE Water Leak Detection (No pools)

Water leaks can do a lot of damage to your home real fast.

When the worst happens you need skilled and experienced leak detection and water damage specialists who know what they’re doing.

8 signs that you may have a hidden water leak:

  • increased water bills
  • reduced water pressure
  • water puddle on floor
  • warm area on floor
  • wet walls, floors, or ceilings
  • hissing or water running sounds in pipes
  • mold or mildew growth of floors, walls, or ceilings
  • water puddling outside in yard

We’re both Mold & IICRC Certified Water Damage Mitigation Experts.

We also provide water damage mitigation and restorations services as well as smoke and roof damage restoration services.

Water heater installation by RT Olson Plumbing

Ontario Water Heater Repair & Replacement

RT Olson Plumbing specializes in fixing, repairing and installing any type of hot water heater.

We provide water heater flushes, repairs, replacements, and installations for gas, electric, and propane water heaters.

It’s never any fun running out of hot water and having to take a cold shower.

5 signs you may need a new water heater:

  • little or no hot water
  • popping sounds coming from tank
  • water leaking from unit
  • discolored water
  • pilot light won’t stay lit

We have been serving Ontario California as a trusted plumbing company since 2011.

Click here to learn more about our water heater services.

drain sewer and rooter service

Ontario Drain, Sewer, and Rooter Service

Got clogged drains?

It’s a fact of life that sinks, tubs, showers, and toilet drains get clogged and back up on occasion.

When clogs strike, they can lead to overflows and water and sewer damage to your home, furniture, and personal belongings.

You need skilled and trusted solutions quickly.

We provide fast & reliable sewer & drain services including:

  • drain cleaning
  • rooter service
  • hydro-jetting service
  • camera inspections
  • sewer line repairs
  • trenchless sewer line replacement

From unclogging basic drain backups to searching for deeper in the sewer line using cameras to inspect for clogs, cracks, root intrusions, or crushed pipe, we fix them all.

Our high-pressure water-jetters can remove clogs deep in the line. It’s strong enough to remove any clog, including tree roots.

Learn more on our drain, sewer, and rooter service page.

plumbing parts and plans for a repipe

Ontario Repipe Specialists

We tend not to think about the pipes in our home very much.

But nothing lasts forever, including plumbing pipes, and sometimes they remind us about that us in the form of leaks and water damage.

If your home has been experiencing any of these signs it might be time for repiping your home:

  • multiple leaks
  • discolored water
  • newly bad tasting water
  • visually corroded pipes & fittings
  • noises coming from pipes
  • decreased water pressure

Some of these issues can be caused by a faulty water heater or corroded plumbing pipes. Only an inspection will be able to identify the cause.

For more information see our Plumbing Repipe Specialists page.

water softener and whole house filter

Water Softeners & Whole House Water Filtration Systems

Our local Ontario area has hard water, which means it has a high content of heavy minerals that clogs and corrodes our pipes and appliances.

Hard water leaves behind hard-to-clean limescale stains on faucets, sinks, tubs, toilets, shower doors.

A water softener removes these hard water minerals and the stains and corrosion they cause.

This leaves with luxurious softened to shower and bathe with and extends the life of your pipes and appliances.

A whole house water filtration system can provide clean, safe, great-tasting drinking water throughout the house and save you money currently spent on bottled water.

Learn more on our pages about water softeners, whole-house water filtration systems, and reverse osmosis filtration systems.

Local Reviews
for Ontario, CA

RT Olson Plumbing Rated 5.0 out of 5 stars based on 4 customer reviews

Map of Ontario, CA 91761

Great service.


Susan - Ontario, CA 91761


Review of RT Olson Plumbing

David Gandarilla was very professional and helpful.

OntarioCA91761 34.025-117.57

Map of Ontario, CA 91762

A little pricey for what was done


Robert - Ontario, CA 91762


Review of RT Olson Plumbing

I believe the price was a little too high for what the technician did

OntarioCA91762 34.0525-117.6875

Map of Ontario, CA 91762

Excellent Experience


Sheila - Ontario, CA 91762


Review of RT Olson Plumbing

Technician Shane provided excellent and professional service! He contacted me letting me know he was available earlier and stayed in communication throughout the entire process of temporarily moving my water heater.

OntarioCA91762 34.0425-117.6625

Map of Ontario, CA 91762

Great job


Jennifer - Ontario, CA 91762


Review of RT Olson Plumbing

Communicated openly and professionally about issues of concern. Completed the work efficiently. Wonderful to work with.

OntarioCA91762 34.0475-117.6625

Bob O.

Bob O.

REPIPE HOT WATER LINES After we re-pressurizing the system the Hot water lines are completely clogged. The shower and tub shower vales are also not operating. We are recommending a hot water repipe as well and the replacement of the shower valves in order to restore the flow of water. We also see a pressure loss on the hot side indicating there is another leak somewhere underground. Customer would like to add the hot water pipes to the existing claim so she can move back into the house and have functioning hot water. No additional holes will need to be made in the walls. We will use existing holes cut by the abatement company for the cold water lines. The process will take 3 days with 2 main technicians and 2 apprentices. Total of 96 hours. No permits will be pulled. No need for a leak detection. We already know what's wrong with the system.

Near Surrey Ave, Ontario, CA 91762
Bob O.

Bob O.

Left customer options

Near E Oak Hill Dr, Ontario, CA 91761
Bob O.

Bob O.

Added 6 lbs of R22 with UV DYE to return to search where the leak is inside the refrigerant system with a black light. Other parts are worn out such as: condenser fan motor, capacitor, and the condenser coils need cleaning. Recommend a maintenance plan.

Near S Archibald Ave, Ontario, CA 91761
Bob O.

Bob O.

LEAK DETECTION REPORT Cut access in wall to locate pipe. Tech located Galvanized pipes going into the ground. After using leak detection equipment we have concluded that the galvanized pipe burst in the slab causing water to flow up through the ground under the bathtub. You cannot repair galvanized pipe unless you chase the pipe back to a threaded fitting to adapt back with a new threaded section of pipe. Due to this we do not recommend trenching up the ground in the entire bathroom to find a good threaded fitting to adapt back to. Since this is a cold water pipe recommend repiping the cold water system.

Near Surrey Ave, Ontario, CA 91762
Bob O.

Bob O.

Open the wall drop gas line, approximately 4 inches so that stove can be pushed against the wall.

Near Del Rio Way, Ontario, CA 91764
Shane B.

Shane B.

Cut cabinet in master bathroom to access guest shower water lines

Near Surrey Ave, Ontario, CA 91762
Guerrero G.

Guerrero G.

Install client supplied garbage disposal

Near Acornglen Pl, Ontario, CA 91761
Guerrero G.

Guerrero G.

Cable, accessible clean out

Near Howard St, Ontario, CA 91762
Guerrero G.

Guerrero G.

Customer called and canceled when he got the dispatch in the AM

Near Rutherford Dr, Ontario, CA 91761
Shane B.

Shane B.

Pulled and reset the water heater

Near S Cypress Ave, Ontario, CA 91762

Favorite Restaurants & Places in Ontario CA

Spires Restaurant

Zeke’s Eatin’ Place

Iron Skillet Restaurant

El Chilitos Mexican Restaurant

Ontar Thai Restaurant

J J Grill

Spectators Sports Bar

History & Facts About Ontario California

Ontario California is a city located in southwestern San Bernardino County, California, United States, 35 miles (56 km) east of downtown Los Angeles.

Ontario is the fourth largest city in the Inland Empire region of California, and the 14th largest city in the state of California. It had a population of 163,924 people according to the 2010 census.

The area now occupied by the City of Ontario was originally part of Rancho Cucamonga, a land grant given to the Garcia family by the Mexican government during the Rancho Period.

Ontario was founded in 1891 by Canadian engineers George Chaffey and his brothers William Chaffey. They named the community after their hometown of Ontario, Canada. Ontario grew rapidly due to the success of the Chaffey brothers’ irrigation system. This system brought water from the mountains to the Ontario Valley and allowed farmers to grow crops in the area.

Ontario was incorporated as a city in 1891, and in 1903 it was declared the County Seat of San Bernardino County.

The city has a total area of 38.0 square miles (98 km2), all of it land and is bordered by the cities of Rancho Cucamonga to the north and west, Chino to the southwest, Pomona to the southeast, and Fontana to the northeast. The eastern border of Ontario abuts Upland.

Ontario continued to grow throughout the 20th century, and by the 1950s it had become a major suburban community for Los Angeles.

Ontario is now one of the fastest-growing cities in California, with a diverse community, and growing Hispanic population.

Ontario is home to several colleges and universities, including California State University, San Bernardino and the University of La Verne.

Ontario is home to the Ontario International Airport, which is one of the busiest airports in the world. The airport is responsible for over 4 percent of the Inland Empire’s total employment, with over 130,000 jobs in the surrounding area.

The city is also home to the Ontario Convention Center, which is the largest convention center in the Inland Empire.

The city is served by the Metrolink San Bernardino Line and the Omnitrans bus system.

Zip codes in Ontario California are, 91761, 91762, and 91764.

Thank you for reading! I hope this article has given you some insight into the history of Ontario California.

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RT Olson Plumbing. Five-star rated plumbers in Corona, Riverside, Norco, Eastvale, Ontario, Jurupa Valley, and Anaheim CA.

Licensed, bonded, insured. CA Lic #997337.

Mailing Address

RT Olson Plumbing
9064 Pulsar Court, Suite I
Corona, CA 92883

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