Plumbing Expertise That Keeps Your Business Moving Forward
Our solutions are designed for efficiency, transparency, and minimal disruption.
Plumbing Repairs & Installations
Complex repairs and installations for apartment complexes, office buildings, retail spaces, and other commercial properties.
Septic System Maintenance & Installation
Regular septic maintenance and large-scale installations for commercial or municipal systems.
Municipal Projects & Property Management Support
Plumbing solutions for public infrastructure, large-scale property maintenance, and ongoing project partnerships.
Large Renovations & New Builds
Collaborating with contractors for plumbing installations in large-scale commercial construction or renovations.
Emergency Plumbing Services
Offering immediate, 24/7 support for commercial plumbing emergencies to minimize disruption and downtime.
Wells and Hydraulics
Installation, maintenance, and repair of well systems and hydraulic equipment for water supply in commercial and municipal applications.
Trusted by Families and Businesses Across the Region
Proudly serving Rideau Lakes, South Frontenac, Kingston, and beyond with integrity and care.
Why Choose Thompson Plumbing for Your Commercial Plumbing Needs?
Expertise in Complex Projects
From emergencies to intricate jobs, we deliver fast, effective solutions.
Work You Can
Trust
Over 25 years of experience and a reputation for reliability.
Customer
Education
We take the time to explain every step of the process, providing the pros and cons of your options, so you can make informed decisions.
Timely
Service
We ensure prompt service for all your plumbing needs.
Transparent and Customer-Centric
Clear communication and upfront pricing. We prioritize your satisfaction every step of the way.
Safe Water, Smart Solutions
We provide advanced plumbing solutions designed to improve your water quality and protect your home. From cutting-edge UV and iron filters to seamless eavestrough installation, our systems are built to keep things flowing cleanly and efficiently.
Whether you're looking for crystal-clear drinking water through reverse osmosis or need a durable filtration setup, our expert team is here to deliver trusted service and long-lasting results—right from the source.


Our Plumbing Process: Seamless from Start to Finish
We simplify the plumbing experience for our clients. From the first call to project completion, we focus on clear communication, tailored solutions, and professional service every step of the way.
Step 1:
Consultation
During a call or first visit, we discuss the issue and share your needs. We’ll take the time to listen, understand, and provide initial guidance.
Step 2:
Get Scheduled or Quoted
Once the details are clear, we’ll provide an on-the-spot quote or schedule your service at a time that works best for you.
Step 3:
For Complex Jobs
For larger or more intricate projects, we’ll visit your site to thoroughly assess the situation. We’ll walk you through the pros and cons of each option, ensure you’re informed every step of the way and get your approval to start the work efficiently and to the highest standard.
Step 4:
Execution
With precision and professionalism, we carry out the work efficiently, ensuring every detail is completed to the highest standard.
Step 5:
Follow-Up
We don’t just finish the job—we follow up to ensure you’re completely satisfied and that everything meets your expectations.
What Our Clients Say
“Thompson's Plumbing was scheduled to meet me at my remote cottage on Scott Island in Rideau Lakes to connect two water pumps that provide lake water to the cottage and to a separate bathroom. As well, they were asked to repair a broken pipe in a very inaccessible place under the cottage. When I arrived there two days later, I was extremely satisfied with the high-quality professional work they did. I highly recommend this company. Krista Thompson, who handled all my requests for scheduling was prompt in replies. Those who did the work deserve tons of praise for their efforts on my behalf.
Bill J.
“I called Ron to inquire about a specific alternation to my cottage water system, and he provided me with incredible customer service and advice. His integrity and honesty are unmatched.”
Ryan B.
“Ron and his team have been servicing our cottage for almost ten years. We can always count on them to respond quickly and take care of problems ranging from a frozen septic system to water treatment to piping issues. The peace of mind that Thompson's Plumbing provides us is priceless.”
Linda C.