The Best Plumbing Contractors in Washington, IL

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

#1

A-1 Plumbing

4.8
(180 reviews)
Verified

A longstanding, family-owned and operated business serving Central Illinois, including Washington, for decades. They are known for their comprehensive 24/7 emergency services and highly professional, uniformed technicians. They have a strong reputation for reliability and expertise in both residential and commercial plumbing.

7405 N Hale Ave, Peoria, IL 61607 (Serves the Washington area)

Specialties & Features

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

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Mulligan Plumbing & Heating

4.7
(90 reviews)
Verified

A highly-rated local contractor based directly in Washington, IL. They offer a full suite of plumbing services with a strong focus on residential customers. Their local address and positive word-of-mouth in the community make them a top choice for Washington residents seeking a trusted local plumber.

101 Zinser Pl, Washington, IL 61571

Specialties & Features

Residential plumbing
Bathroom and kitchen plumbing
Pipe installation and replacement

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Plumb Perfect LLC

4.9
(70 reviews)
Verified

A well-regarded, modern plumbing company known for its high customer satisfaction ratings and focus on leak detection and repiping projects. They emphasize upfront pricing and clear communication. Based in nearby Peoria, they actively serve the Washington community.

7605 N Crestline Dr, Peoria, IL 61614 (Serves the Washington area)

Specialties & Features

Leak detection and repair
Pipe installation and replacement
Water heater services

Business Information

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

Why These Are the Top Plumbing Contractors in Washington

** The plumbing market in Washington, Illinois, is characteristic of a stable, growing suburban community. The competition is healthy, featuring a mix of dedicated local contractors (like Mulligan Plumbing) and larger, well-established regional companies from the Peoria area (like A-1 Plumbing and Plumb Perfect). This provides residents with a good range of options from long-standing legacy providers to newer, highly-rated specialists. The average quality of service is high, as evidenced by the consistently strong reviews across these top providers. Customers appear to value responsiveness, clear pricing, and expertise in emergency and water heater services. Typical pricing is competitive with Midwestern norms, with standard service call fees ranging from $75 - $150, plus parts and labor. Emergency or after-hours rates are typically higher. The market is not oversaturated, allowing reputable companies to maintain strong business and invest in customer 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 Washington regulations and climate

Frequently Asked Questions About Plumbing in Washington

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

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

The most frequent issues are frozen and burst pipes due to our harsh Illinois winters, and sump pump failures during heavy spring rains. Washington's clay-heavy soil can also shift with freeze-thaw cycles, putting stress on underground sewer lines and leading to cracks or blockages. We strongly recommend insulating pipes in unheated areas and having your sump pump inspected before the rainy season.

2How much should I expect to pay for common plumbing services in the Washington area?

Pricing varies, but for context, a standard service call fee in the Washington/Peoria region typically ranges from $75-$125. Replacing a water heater might cost $1,200-$2,500 installed, depending on the unit and complexity, while fixing a running toilet could be $150-$300. Always get a detailed, written estimate that includes labor, parts, and any potential Illinois or local permit fees before work begins.

3Are there specific local regulations or permits required for plumbing work in Washington, IL?

Yes. The City of Washington requires permits for significant plumbing work like water heater replacements, re-piping, or sewer line repairs. Reputable local plumbers will handle this process for you. Furthermore, all work must comply with the Illinois Plumbing Code and the specific amendments adopted by the city, which is why hiring a licensed Illinois plumber is crucial for safety and compliance.

4What should I look for when choosing a reliable plumber in Washington?

First, verify they hold a valid Illinois Department of Public Health (IDPH) plumbing license and carry both liability insurance and worker's compensation. Look for established local companies with strong community reviews, as they understand our area's specific infrastructure and weather challenges. Always ask if they provide 24/7 emergency service, which is vital during our winter freeze events.

5Why is my basement floor drain backing up, and is this a common problem in Washington?

This is often a sign of a blockage or failure in your main sewer line, a very common issue in our area. Washington's older neighborhoods may have clay tile sewer lines susceptible to root intrusion and collapse from the shifting soil. Seasonal groundwater from spring thaws and heavy rains can also overwhelm older systems. A professional video inspection is the best way to diagnose the exact cause and location of the problem.