The Best Plumbing Contractors in Saint John, WA

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

#1

Mr. Rooter Plumbing of Southeast Washington

4.8
(180 reviews)
Verified

A highly-rated, franchise-based plumbing service known for professional, uniformed technicians and a strong focus on customer service. They offer a comprehensive range of residential and commercial services, with a particular emphasis on emergency response and advanced drain and sewer solutions.

201 SE Strayer Rd, Pullman, WA 99163 (Serves Saint John area)

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

All Hours Plumbing, Heating & Cooling

4.7
(150 reviews)
Verified

A full-service plumbing, heating, and cooling company based in the larger Tri-Cities area, which extends its high-quality service to the Palouse region, including Saint John. They are known for their 24/7 emergency availability and broad expertise.

2901 George Washington Way, Richland, WA 99354 (Serves a wide region including Saint John)

Specialties & Features

Residential and commercial plumbing services
Leak detection and repair
Bathroom and kitchen plumbing

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Colfax Plumbing Inc.

4.6
(90 reviews)
Verified

A well-established, local plumbing contractor serving Whitman County and the surrounding rural communities. As a locally-owned business, they have deep ties to the area and are a trusted name for both routine plumbing and larger installation projects in the region.

1004 S Mill St, Colfax, WA 99111 (Serves Saint John area)

Specialties & Features

Pipe installation and replacement
Residential plumbing services
Water heater installation and repair

Business Information

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

Why These Are the Top Plumbing Contractors in Saint John

** The plumbing market serving Saint John, WA is characteristic of a rural area. While the city itself has a small population, it is supported by a robust network of regional contractors from larger hubs like Pullman, Colfax, and the Tri-Cities. The competition is healthy among these regional players, leading to a generally high standard of service quality as companies compete for reputation across a wide geographic area. Customers can expect professional, licensed, and insured services, though scheduling for non-emergency jobs may sometimes involve longer lead times due to travel distances. Typical pricing is competitive for the region, but may include trip fees or travel time charges to account for the service area's rural nature. Emergency call-out rates are standard for 24/7 services. The presence of both large franchises (like Mr. Rooter) and long-standing local businesses (like Colfax Plumbing) provides residents with a good mix of corporate reliability and community-focused service.

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 Saint John regulations and climate

Frequently Asked Questions About Plumbing in Saint John

Get answers to common questions about plumbing services in Saint John, Washington.

1What are common plumbing issues for Saint John, WA homes due to the local climate?

The cold winters in Eastern Washington, including the Saint John area, make frozen and burst pipes a primary concern, especially for uninsulated pipes in crawl spaces or exterior walls. Additionally, the region's hard water can accelerate mineral buildup in water heaters and fixtures, reducing efficiency and lifespan. Proactive insulation of vulnerable pipes before winter and considering a water softener are highly recommended local precautions.

2How do I choose a reliable plumber serving the Saint John area?

Always verify the plumber holds a current, active Washington State Plumbing Contractor license (UBI number) and carries both liability insurance and workers' compensation. For a small, rural community like Saint John, seek providers with proven local experience who understand well systems, septic systems common in the county, and can provide timely emergency service despite longer travel distances. Check reviews and ask neighbors for personal referrals.

3Are plumbing permits required for work in Saint John, and who pulls them?

Yes, permits are often required for major work like water heater replacements, re-piping, or sewer line repairs, as they must comply with Washington State Uniform Plumbing Code (WSUPC) and local Whitman County regulations. The licensed plumbing contractor you hire should always be responsible for pulling the necessary permits, which ensures the work will be inspected and protects you as the homeowner. Never hire a plumber who suggests skipping permits.

4What is the typical cost range for emergency plumbing service in Saint John?

Emergency or after-hours service calls in Saint John often have a higher baseline cost (e.g., $150-$300 for the trip and first hour) due to travel time from a service hub like Colfax or Spokane. Final costs depend on the issue, parts, and time of day. For context, a standard water heater replacement in the region typically ranges from $1,200 to $2,500 installed, depending on the unit type and complexity.

5When is the best time to schedule non-emergency plumbing maintenance in Saint John?

Schedule routine maintenance like sewer line inspections, water heater flushing, and sump pump checks in late summer or early fall. This avoids the busy winter emergency season for plumbers and ensures your systems are prepared before freezing temperatures hit. It's also an ideal time to address any outdoor plumbing or irrigation system issues before the ground freezes.