The Best Plumbing Contractors in Ontario, OR

Compare the highest-rated plumbing professionals in Ontario, Oregon. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Baker Plumbing & Rooter

4.8
(130 reviews)
Verified

A highly-rated, locally-owned and operated plumbing company known for its responsive service and deep roots in the community. They emphasize honesty, upfront pricing, and quality workmanship for both residential and commercial clients. They are a primary go-to for emergency services in the immediate Ontario area.

875 SW 4th Ave, Ontario, OR 97914

Specialties & Features

Emergency plumbing repairs
Drain cleaning and sewer services
Water heater installation and repair

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

A-Boy Plumbing & Rooter (Ontario Location)

4.7
(200 reviews)
Verified

Part of a well-established regional chain with a physical location in Ontario, A-Boy offers the resources of a larger company with local service. They have a strong reputation for professional, courteous technicians and a wide range of services, including comprehensive drain and sewer solutions using advanced camera inspection technology.

295 E Idaho Ave, Ontario, OR 97914

Specialties & Features

Pipe installation and replacement
Drain cleaning and sewer services
Leak detection and repair

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Mr. Rooter Plumbing of Southeast Washington & Eastern Oregon

4.9
(80 reviews)
Verified

As part of the nationally recognized Mr. Rooter franchise, this provider brings a high standard of customer service, professional training, and guaranteed work. While their physical office is in nearby Payette, ID, they are a major service provider for the entire Ontario, OR area. They are known for their neat, professional technicians and upfront, flat-rate pricing.

130 1st Ave N, Payette, ID 83661 (Serves Ontario, OR)

Specialties & Features

Residential and commercial plumbing services
Bathroom and kitchen plumbing
Emergency plumbing repairs

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Plumbing Contractors in Ontario

** The plumbing market in Ontario, Oregon, is characterized by a blend of strong local contractors and established regional franchises that leverage the integrated economic zone of the Western Treasure Valley (spanning OR and ID). The competition level is moderate but healthy, ensuring that residents have several reputable options to choose from. The average quality of service is high, with most top-tier providers maintaining 4.5-star ratings or better, reflecting a customer base that values reliability and professionalism. Typical pricing is in line with regional averages, though it can be influenced by the need to draw resources from a wider area. A standard service call or repair typically ranges from **$150 - $350**, while more complex jobs like water heater installation or major sewer line repairs can range from **$800 to $3,000+**. Emergency and after-hours services commonly carry a premium, with trip charges often starting at **$100-$200** on top of standard labor rates. The presence of both local and franchise options provides consumers with a choice between potentially more personalized service from local owners and the structured processes and guarantees of national brands.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Ontario regulations and climate

Frequently Asked Questions About Plumbing in Ontario

Get answers to common questions about plumbing services in Ontario, Oregon.

1What are the most common plumbing issues for Ontario, OR homeowners, especially related to our climate?

Due to Ontario's cold winter temperatures, the most frequent and urgent issues are frozen and burst pipes, particularly in older homes with inadequate insulation. We also commonly address clogged drains from hard water mineral buildup, which is prevalent in our area, and water heater problems as systems work harder during chilly seasons. Proactive insulation of pipes in unheated spaces like crawl spaces is highly recommended before winter.

2How do I choose a reputable plumber in Ontario, and are there specific local licenses I should verify?

Always choose a plumber licensed by the Oregon Construction Contractors Board (CCB); this is a state-mandated requirement that ensures they are bonded, insured, and meet competency standards. For local reliability, look for established Ontario or Treasure Valley companies with strong community reviews and ask if they have specific experience with local water conditions and older home foundations common in our area. Avoid any plumber who cannot provide their active CCB license number.

3What is a typical cost range for common plumbing services in the Ontario area?

Costs vary, but for context, a standard service call/diagnosis fee in Ontario typically ranges from $75-$150. Repairing a leaky faucet might cost $150-$300, while unclogging a main sewer line can range from $250-$600, depending on severity. Water heater replacement, a common job, generally falls between $1,200-$2,500 for a standard tank unit, with prices influenced by the unit's efficiency rating and any local code upgrade requirements.

4When is the best time to schedule non-emergency plumbing maintenance or replacements in Ontario?

The ideal times are during the late spring and early fall. These periods avoid the peak demand of winter (for frozen pipes and heater failures) and summer (for irrigation and outdoor plumbing issues). Scheduling during these shoulder seasons ensures better availability and often shorter wait times for appointments. It's also the perfect time to prepare your system for winter by having your water heater serviced and outdoor faucets winterized.

5Are there any local regulations or considerations for plumbing repairs or installations in Ontario homes?

Yes, all plumbing work must comply with the Oregon Plumbing Specialty Code, which includes specific requirements for frost protection, backflow prevention, and water-conserving fixtures. For homes in older neighborhoods, local plumbers must be familiar with the common materials used (like galvanized steel pipes) and potential lead solder concerns. Furthermore, any work on your sewer line likely requires coordination with the City of Ontario's Public Works Department for inspections at the connection to the main line.