Finding a reliable plumber can feel overwhelming, especially when your search turns up dozens of options ranging from small local shops to larger regional contractors. When homeowners search for the best plumbing companies in Downers Grove, IL, it is worth knowing upfront that this list includes both plumbing businesses headquartered right in town and well-regarded regional contractors who regularly serve Downers Grove and the surrounding DuPage County communities. What matters most is not always where a company’s office is located, but whether they show up reliably, do quality work, and stand behind it.
Whether you are dealing with a dripping faucet, a backed-up sewer line, or an unexpected plumbing emergency on a Sunday night, the right plumber can make all the difference. Here is a closer look at ten companies worth considering.
Table of Contents
How We Selected These Plumbers
Before diving into the list, here is a brief overview of the criteria used to evaluate each company.
To be considered for this list, a company must meet all four of the following qualifications:
- Serves Downers Grove: The company actively performs residential plumbing work in Downers Grove, even if its main office is located in a nearby community.
- Verifiable reviews: The company has documented customer feedback available on platforms such as Google, Yelp, Angi, or the Better Business Bureau.
- Licensed and insured in Illinois: The company holds the appropriate state licensing through the Illinois Department of Public Health and carries adequate insurance coverage.
- Active residential service: The company is currently accepting residential plumbing work in the area, not simply listed in an outdated directory.
Do I Need to Hire a Plumber Based in Downers Grove?
Not necessarily. Many of the most skilled and well-reviewed plumbing contractors in the region are headquartered in nearby communities like Naperville, Lombard, or Addison, and they serve Downers Grove regularly.
When evaluating a plumber, focus on three things: response time for your specific location, licensing and insurance status in Illinois, and whether they offer a warranty on parts and labor – all factors that matter when you need to know how quickly a toilet replacement can be completed with minimal disruption. A contractor based five miles away with strong local reviews and a warranty on their work may be a better choice than one that is technically local but harder to reach.
The Top 10 Best Plumbing Companies in Downers Grove, IL
1.Plumbing Pros
- Based in: Downers Grove, IL
- Areas served: Downers Grove and the greater Chicago suburbs
Plumbing Pros is a family-owned and operated plumbing company that has been serving Downers Grove and the surrounding communities for over 20 years. As OSHA-certified plumbers with deep roots in the local area, we bring a combination of technical expertise and personal accountability that larger franchise operations often cannot match. Our services span a wide range of residential needs, including pipe repair and replacement, water heater installation, sump pump service, drain cleaning, and fixture upgrades.
We offer 24/7 availability for plumbing emergencies, including gas leaks, broken water pipes, blocked sewers, and flooding. All work comes with a one-year workmanship warranty, and the company offers 10% off labor for military members, first responders, and teachers. Financing is also available through Wisetack for qualifying services.
2. LaCassa Plumbing
- Based in: Naperville, IL (with an office in Downers Grove)
- Areas served: Downers Grove, Naperville, and surrounding DuPage County communities
LaCassa Plumbing was founded by Carmen LaCassa with a focus on removing the uncertainty that often surrounds hiring a plumber. With offices in both Downers Grove and Naperville, the company is well-positioned to serve homeowners across the western suburbs quickly and efficiently. LaCassa Plumbing holds an A+ rating from the Better Business Bureau and backs all work with a satisfaction guarantee.
The company handles everything from emergency repairs and sewer line service to water heater installation, tankless water heater systems, and water softener solutions. Reviews consistently point to the team’s transparency, honest recommendations, and clean job site practices as standout qualities. For homeowners who want clear communication from start to finish, LaCassa is a strong option in the Downers Grove area.
3. INSINK Plumbing
- Based in: Addison, IL
- Areas served: Addison, Carol Stream, Downers Grove, and surrounding DuPage County communities
INSINK Plumbing brings more than 20 years of experience and four generations of plumbing knowledge to every job they take on. Based in Addison and serving communities throughout DuPage County, INSINK is a locally owned, family-operated company with a reputation for reliability and craftsmanship. Their service menu covers general plumbing repairs and installations, ejector pump and sump pump service, sewer and drain cleaning, pipe rodding, and tankless water heater installation.
They are certified installers for Navien and Bradford White tankless systems and work with trusted fixture brands including Kohler, Moen, and Delta. INSINK offers same-day emergency services during business hours, making them a practical choice when something goes wrong unexpectedly. Customer reviews frequently highlight the team’s prompt response and thorough approach to diagnosing problems before recommending repairs.
4. Keeley’s Plumbing
- Based in: Lombard, IL
- Areas served: DuPage County, including Downers Grove, Glen Ellyn, Wheaton, and Naperville
Keeley’s Plumbing was started by owner Tim Keeley, who brings 20 years of residential plumbing experience to every job. Based in Lombard and deliberately focused on DuPage County, Keeley’s keeps its service area intentionally tight so the team can maintain short response times, stay current on local codes, and pass savings from local suppliers on to customers. All plumbers at Keeley’s are licensed and insured in Illinois.
The company handles drain cleaning, sewer repair, sewer camera inspections, gas piping, repiping, sump pump installation, water heater service, and remodeling-related plumbing. Keeley’s offers 24/7 availability and is one of the few plumbers in the area to list pricing directly on their website for added transparency. The company holds an A+ rating from the Better Business Bureau and has earned consistently strong reviews for professionalism, punctuality, and honest pricing.
5. Stephens Plumbing and Heating
- Based in: Downers Grove, IL
- Areas served: Downers Grove, Naperville, Westmont, Wheaton, and surrounding Chicagoland suburbs
Stephens Plumbing and Heating has been serving the Chicagoland suburbs since 1923, making it one of the longest-standing plumbing businesses in the region. As a local, family-owned operation, they offer a full range of residential and commercial plumbing services, including drain cleaning, water line and sewer line work, garbage disposal repair, sump pump installation, backflow testing, water heater service, and gas line repair. The company provides 24/7 emergency plumbing service for both homeowners and businesses.
All plumbers at Stephens are fully licensed and insured, and their work is backed by a one-year labor warranty and a two-year warranty on most parts. The company also honors all applicable manufacturer warranties. For homeowners who value the stability and community ties that come with a multi-generational local business, Stephens is a compelling choice.
6. Robert Bair Plumbing, Heating and Air
- Based in: Downers Grove, IL
- Areas served: Downers Grove and the surrounding southwest Chicago suburbs
Robert Bair Plumbing, Heating and Air has built its reputation in Downers Grove on the strength of fully stocked service trucks, ongoing technician training, and a consistent focus on customer satisfaction. Every service call is completed by professionals equipped with the newest tools and over 5,000 parts on hand, allowing most jobs to be completed in a single visit. In addition to plumbing services covering faucets, water heaters, drain cleaning, and sump pumps, the company also handles HVAC and water softener installations.
Robert Bair is an award-winning Trane Comfort Specialist, a designation that reflects a higher standard of ongoing technical education. Homeowners who prefer a company that can handle both plumbing and home comfort systems under one roof will find Robert Bair to be a convenient and well-regarded option in the Downers Grove market.
7. Jim Dhamer Plumbing and Sewer
- Based in: Downers Grove, IL
- Areas served: Downers Grove and surrounding communities
Jim Dhamer Plumbing and Sewer has been serving Downers Grove for five decades, giving the company an unusually deep well of local knowledge and community trust. The company handles residential and commercial plumbing repair, sewer repair, and drain cleaning, and offers complete service on faucets, fixtures, water heaters, ejector pumps, sump pumps, and sewer lines. Jim Dhamer does not send subcontractors into customer homes.
Every plumber on a job is either a trained family member or a long-tenured employee of the company, which contributes to the consistent, professional service that customers have come to expect. Same-day service is available throughout Downers Grove and nearby areas. For homeowners who want to know exactly who is coming to their home and prefer a company with a long, verifiable track record in the community, Jim Dhamer is a reliable choice.
8. Good Work Plumbing and Electrical
- Based in: Downers Grove, IL
- Areas served: Downers Grove and the surrounding western Chicago suburbs of Cook and DuPage County
Good Work Plumbing and Electrical stands apart by combining licensed plumbing and electrical services under one contractor, which can save homeowners significant time and cost on projects that involve both trades. With over 30 years of experience, owner Patrick has built a loyal customer base across Downers Grove and the western suburbs. All work is guaranteed to meet a high standard of quality, and the company uses premium parts on every replacement project.
Good Work handles a wide range of plumbing services, including pipe repair and rerouting, fixture installation, sump pump service, water heater repair and installation, and emergency response to supply line ruptures and other urgent issues. Reviews consistently describe Patrick as honest, responsive, and thorough. For homeowners juggling a kitchen renovation, basement finish, or appliance upgrade involving both plumbing and electrical components, Good Work offers an efficient one-call solution.
9. NEXGEN Plumbing and Drain LLC
- Based in: Crestwood, IL
- Areas served: Downers Grove, Orland Park, Tinley Park, Palos Hills, and communities throughout the south and southwest suburbs
NEXGEN Plumbing and Drain LLC is a locally owned and operated company committed to delivering honest, customer-focused plumbing service to homes and businesses across the Chicago suburbs. The company serves Downers Grove as part of a broader regional service area covering communities from the south and southwest side of the metro. Their team of licensed, background-checked plumbers handles everything from routine repairs and faucet installations to broken water heaters, burst pipe emergencies, gas line repairs, and water treatment system installation.
NEXGEN places a strong emphasis on clear communication and responsive scheduling, with a goal of treating every job with equal care whether it is a minor fix or an urgent call. For homeowners in the southern and western portions of the Downers Grove area looking for a licensed contractor with regional reach and a service-first approach, NEXGEN is worth a call.
10. DuPage County Plumbers
- Based in: Woodridge, IL
- Areas served: Downers Grove, Clarendon Hills, Lisle, Hinsdale, Westmont, Oak Brook, Burr Ridge, and throughout DuPage County
DuPage County Plumbers is a woman-owned, family-operated plumbing company serving communities throughout DuPage County, including Downers Grove. The company is fully licensed, bonded, and insured in Illinois and offers comprehensive plumbing, sewer, gas, and backflow prevention services for residential, commercial, government, and light industrial customers. Their team handles faucet and fixture repair and replacement, toilet and water heater service, sump pump and ejector pump installation, and sewer line repair and replacement.
DuPage County Plumbers is also licensed to test, install, and repair all backflow prevention valves, and they specialize in bathroom remodeling projects that require updated plumbing infrastructure. For homeowners who prefer working with a locally rooted, independently owned company that covers a broad range of service types across the county, DuPage County Plumbers offers a solid combination of experience and scope.
Ready to Schedule Plumbing Service in Downers Grove?
Plumbing Pros has been serving Downers Grove and the greater Chicago suburbs for over 20 years as a family-owned, OSHA-certified plumbing company. Our team is available 24/7 for plumbing emergencies, including gas leaks, burst pipes, blocked sewers, and flooding. All work is backed by a one-year workmanship warranty, and we offer financing through Wisetack to make larger repairs and replacements more manageable. Military members, first responders, and teachers receive 10% off labor.
